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erectile dysfunction treatment diagnostic expands testing supply, buy cialis canada protects the continuity of essential cancer work at Guardant Health, and helps with discount coupon cialis reopening at Delaware State UniversityREDWOOD CITY, Calif., Aug. 24, 2020 (GLOBE NEWSWIRE) -- Guardant Health, Inc. (Nasdaq.

GH) announces that the U.S. Food and Drug Administration (FDA) has granted the Guardant-19 test emergency use authorization (EUA) for use in the detection of the novel erectile dysfunction, erectile dysfunction. The test is being offered to Guardant Health employees and select partner organizations through the company’s CLIA-certified clinical laboratory.The Guardant-19 test is a reverse transcriptase polymerase chain reaction next generation sequencing (rt-PCR-seq) test that detects erectile dysfunction erectile dysfunction nucleic acid from upper respiratory nasal specimens including nasopharyngeal swabs, oropharyngeal swabs, nasal swabs, interior nasal swabs, mid-turbinate nasal swabs, nasopharyngeal wash/aspirates, nasal aspirates, and nasal washes.

The test has a validated limit of detection (LoD) of 125 copies per mL and results are typically returned the next day. The heavily multiplexed testing workflow used has the ability to scale to over 10,000 tests per day.“While serving cancer patients remains our top priority, we are proud to be able to leverage our expertise in liquid biopsy testing to contribute to battling the erectile dysfunction treatment cialis by offering a highly accurate test that is truly additive to the testing options available today,” said AmirAli Talasaz, Guardant Health president. €œSince the beginning of the cialis we believed it was our social responsibility to not only protect the health and safety of our employees, but to also help our greater community with return to work and school initiatives.

It gives me great pride knowing that Guardant Health is able to deliver.”The Guardant-19 test is being used to help Delaware State University, a Historically Black College &. University, in its efforts to reopen safely. €œGuardant is providing us with an innovative testing technology to help protect the safety of our entire campus community,” said Tony Allen, president of Delaware State University, which is being advised by nonprofit Testing for America on its reopening plans.“Our mission is to permanently and safely reopen schools, business and the US economy by providing affordable, accessible and frequent testing and screening.

We believe that a testing option like the one provided by Guardant Health can help achieve the highly accurate and rapid results at a scale that we need,” said Dr. Joan Coker, surgeon and Advisory Council member of Testing for America.The Healing Grove Health Center in San Jose, California is another partner organization. €œWe are thankful for a high-throughput, fast, accurate erectile dysfunction treatment test from Guardant Health,” said Brett Bymaster, the center’s executive director.

€œOur patients are low-income and high risk, and we are seeing a high positivity rate. When we catch these positive cases early, we are possibly saving hundreds of people from getting infected with erectile dysfunction treatment by ensuring that they quarantine. By working closely with Guardant Health, we have gotten results quickly and have been able to keep our erectile dysfunction treatment-positive patients recovering at home, limiting the severity of the outbreak in this important community.”To learn more about accessing the Guardant-19 test, email.

Guardant19support@guardanthealth.com.About Guardant HealthGuardant Health is a leading precision oncology company focused on helping conquer cancer globally through use of its proprietary blood tests, vast data sets, and advanced analytics. The Guardant Health Oncology Platform leverages capabilities to drive commercial adoption, improve patient clinical outcomes and lower healthcare costs across all stages of the cancer care continuum. Guardant Health has launched liquid biopsy-based Guardant360® and GuardantOMNI® tests for advanced stage cancer patients.

These tests fuel development of its LUNAR program, which aims to address the needs of early stage cancer patients with neoadjuvant and adjuvant treatment selection, cancer survivors with surveillance, asymptomatic individuals eligible for cancer screening and individuals at a higher risk for developing cancer with early detection.Investor Contact:Carrie Mendivilinvestors@guardanthealth.comMedia Contact:Anna Czenepress@guardanthealth.comCourtney Carrollcourtney.carroll@uncappedcommunications.com Source. Guardant Health, Inc..

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Extension of timeline for publication of final rule how long does cialis take to work http://julieparticka.com/buy-seroquel-canada/. This notice announces an extension of the timeline for publication of a Medicare final rule in accordance with the Social Security Act, which allows us to extend the timeline for publication of the final rule. As of August 26, 2020, the timeline for publication of the final rule to finalize the provisions of the October 17, 2019 proposed rule (84 FR 55766) is extended until August 31, 2021. Start Further Info Lisa how long does cialis take to work O.

Wilson, (410) 786-8852. End Further Info End Preamble Start Supplemental Information In the October 17, 2019 Federal Register (84 FR 55766), we published a proposed rule that addressed undue regulatory impact and burden of the physician self-referral law. The proposed rule was issued how long does cialis take to work in conjunction with the Centers for Medicare &. Medicaid Services' (CMS) Patients over Paperwork initiative and the Department of Health and Human Services' (the Department or HHS) Regulatory Sprint to Coordinated Care.

In the proposed rule, we proposed exceptions to the physician self-referral law for certain value-based compensation arrangements between or among physicians, providers, and suppliers. A new exception for certain arrangements under how long does cialis take to work which a physician receives limited remuneration for items or services actually provided by the physician. A new exception for donations of cybersecurity technology and related services. And amendments to the existing exception for electronic health records (EHR) items and services.

The proposed rule also provides critically necessary guidance for physicians and health care providers and suppliers whose financial relationships are governed by how long does cialis take to work the physician self-referral statute and regulations. This notice announces an extension of the timeline for publication of the final rule and the continuation of effectiveness of the proposed rule. Section 1871(a)(3)(A) of the Social Security Act (the Act) requires us to establish and publish a regular timeline for the publication of final regulations based on the previous publication of a proposed regulation. In accordance with section 1871(a)(3)(B) of the Act, the timeline may vary among different regulations based on differences in the complexity of the regulation, the number and scope of comments received, and other relevant factors, but may not be longer than 3 years except under exceptional circumstances how long does cialis take to work.

In addition, in accordance with section 1871(a)(3)(B) of the Act, the Secretary may extend the initial targeted publication date of the final regulation if the Secretary, no later than the regulation's previously established proposed publication date, publishes a notice with the new target date, and such notice includes a brief explanation of the justification for the variation. We announced in the Spring 2020 Unified Agenda (June 30, 2020, www.reginfo.gov) that we would issue the final rule in August 2020. However, we are still working through the Start Printed Page 52941complexity of the issues raised by comments received on the proposed rule and therefore we how long does cialis take to work are not able to meet the announced publication target date. This notice extends the timeline for publication of the final rule until August 31, 2021.

Start Signature Dated. August 24, how long does cialis take to work 2020. Wilma M. Robinson, Deputy Executive Secretary to the Department, Department of Health and Human Services.

End Signature End Supplemental how long does cialis take to work Information [FR Doc. 2020-18867 Filed 8-26-20. 8:45 am]BILLING CODE 4120-01-PThe Centers for Medicare &. Medicaid Services (CMS) today announced efforts underway to support Louisiana and Texas in response to how long does cialis take to work Hurricane Laura.

On August 26, 2020, Department of Health and Human Services (HHS) Secretary Alex Azar declared public health emergencies (PHEs) in these states, retroactive to August 22, 2020 for the state of Louisiana and to August 23, 2020 for the state of Texas. CMS is working to ensure hospitals and other facilities can continue operations and provide access to care despite the effects of Hurricane Laura. CMS provided numerous waivers to health care providers during how long does cialis take to work the current erectile dysfunction disease 2019 (erectile dysfunction treatment) cialis to meet the needs of beneficiaries and providers. The waivers already in place will be available to health care providers to use during the duration of the erectile dysfunction treatment PHE determination timeframe and for the Hurricane Laura PHE.

CMS may waive certain additional Medicare, Medicaid, and Children’s Health Insurance Program (CHIP) requirements, create special enrollment opportunities for individuals to access healthcare quickly, and take steps to ensure dialysis patients obtain critical life-saving services. “Our thoughts are with everyone who is in the path of this powerful how long does cialis take to work and dangerous hurricane and CMS is doing everything within its authority to provide assistance and relief to all who are affected,” said CMS Administrator Seema Verma. €œWe will partner and coordinate with state, federal, and local officials to make sure that in the midst of all of the uncertainty a natural disaster can bring, our beneficiaries will not have to worry about access to healthcare and other crucial life-saving and sustaining services they may need.” Below are key administrative actions CMS will be taking in response to the PHEs declared in Louisiana and Texas. Waivers and Flexibilities for Hospitals and Other Healthcare Facilities.

CMS has already how long does cialis take to work waived many Medicare, Medicaid, and CHIP requirements for facilities. The CMS Dallas Survey &. Enforcement Division, under the Survey Operations Group, will grant other provider-specific requests for specific types of hospitals and other facilities in Louisiana and Texas. These waivers, how long does cialis take to work once issued, will help provide continued access to care for beneficiaries.

For more information on the waivers CMS has granted, visit. Www.cms.gov/emergency. Special Enrollment Opportunities for Hurricane Victims. CMS will make available special enrollment periods for how long does cialis take to work certain Medicare beneficiaries and certain individuals seeking health plans offered through the Federal Health Insurance Exchange.

This gives people impacted by the hurricane the opportunity to change their Medicare health and prescription drug plans and gain access to health coverage on the Exchange if eligible for the special enrollment period. For more information, please visit. Disaster how long does cialis take to work Preparedness Toolkit for State Medicaid Agencies. CMS developed an inventory of Medicaid and CHIP flexibilities and authorities available to states in the event of a disaster.

For more information and to access the toolkit, visit. Https://www.medicaid.gov/state-resource-center/disaster-response-toolkit/index.html. Dialysis Care. CMS is helping patients obtain access to critical life-saving services.

The Kidney Community Emergency Response (KCER) program has been activated and is working with the End Stage Renal Disease (ESRD) Network, Network 13 – Louisiana, and Network 14 - Texas, to assess the status of dialysis facilities in the potentially impacted areas related to generators, alternate water supplies, education and materials for patients and more. The KCER is also assisting patients who evacuated ahead of the storm to receive dialysis services in the location to which they evacuated. Patients have been educated to have an emergency supply kit on hand including important personal, medical and insurance information. Contact information for their facility, the ESRD Network hotline number, and contact information of those with whom they may stay or for out-of-state contacts in a waterproof bag.

They have also been instructed to have supplies on hand to follow a three-day emergency diet. The ESRD Network 8 – Mississippi hotline is 1-800-638-8299, Network 13 – Louisiana hotline is 800-472-7139, the ESRD Network 14 - Texas hotline is 877-886-4435, and the KCER hotline is 866-901-3773. Additional information is available on the KCER website www.kcercoalition.com. During the 2017 and 2018 hurricane seasons, CMS approved special purpose renal dialysis facilities in several states to furnish dialysis on a short-term basis at designated locations to serve ESRD patients under emergency circumstances in which there were limited dialysis resources or access-to-care problems due to the emergency circumstances.

Medical equipment and supplies replacements. Under the COVD-19 waivers, CMS suspended certain requirements necessary for Medicare beneficiaries who have lost or realized damage to their durable medical equipment, prosthetics, orthotics and supplies as a result of the PHE. This will help to make sure that beneficiaries can continue to access the needed medical equipment and supplies they rely on each day. Medicare beneficiaries can contact 1-800-MEDICARE (1-800-633-4227) for assistance.

Ensuring Access to Care in Medicare Advantage and Part D. During a public health emergency, Medicare Advantage Organizations and Part D Plan sponsors must take steps to maintain access to covered benefits for beneficiaries in affected areas. These steps include allowing Part A/B and supplemental Part C plan benefits to be furnished at specified non-contracted facilities and waiving, in full, requirements for gatekeeper referrals where applicable. Emergency Preparedness Requirements.

Providers and suppliers are expected to have emergency preparedness programs based on an all-hazards approach. To assist in the understanding of the emergency preparedness requirements, CMS Central Office and the Regional Offices hosted two webinars in 2018 regarding Emergency Preparedness requirements and provider expectations. One was an all provider training on June 19, 2018 with more than 3,000 provider participants and the other an all-surveyor training on August 8, 2018. Both presentations covered the emergency preparedness final rule which included emergency power supply.

1135 waiver process. Best practices and lessons learned from past disasters. And helpful resources and more. Both webinars are available at https://qsep.cms.gov/welcome.aspx.

CMS also compiled a list of Frequently Asked Questions (FAQs) and useful national emergency preparedness resources to assist state Survey Agencies (SAs), their state, tribal, regional, local emergency management partners and health care providers to develop effective and robust emergency plans and tool kits to assure compliance with the emergency preparedness rules. The tools can be located at. CMS Regional Offices have provided specific emergency preparedness information to Medicare providers and suppliers through meetings, dialogue and presentations. The regional offices also provide regular technical assistance in emergency preparedness to state agencies and staff, who, since November 2017, have been regularly surveying providers and suppliers for compliance with emergency preparedness regulations.

Additional information on the emergency preparedness requirements can be found here. Https://www.cms.gov/Regulations-and-Guidance/Guidance/Manuals/downloads/som107ap_z_emergprep.pdf CMS will continue to work with all geographic areas impacted by Hurricane Laura. We encourage beneficiaries and providers of healthcare services that have been impacted to seek help by visiting CMS’ emergency webpage (www.cms.gov/emergency).

This notice announces an extension of the timeline for publication of a Medicare final rule in accordance with the Social Security Act, which allows us discount coupon cialis Buy seroquel canada to extend the timeline for publication of the final rule. As of August 26, 2020, the timeline for publication of the final rule to finalize the provisions of the October 17, 2019 proposed rule (84 FR 55766) is extended until August 31, 2021. Start Further Info Lisa O. Wilson, (410) 786-8852 discount coupon cialis. End Further Info End Preamble Start Supplemental Information In the October 17, 2019 Federal Register (84 FR 55766), we published a proposed rule that addressed undue regulatory impact and burden of the physician self-referral law.

The proposed rule was issued in conjunction with the Centers for Medicare &. Medicaid Services' (CMS) Patients over Paperwork initiative and the Department of discount coupon cialis Health and Human Services' (the Department or HHS) Regulatory Sprint to Coordinated Care. In the proposed rule, we proposed exceptions to the physician self-referral law for certain value-based compensation arrangements between or among physicians, providers, and suppliers. A new exception for certain arrangements under which a physician receives limited remuneration for items or services actually provided by the physician. A new exception for donations of cybersecurity technology discount coupon cialis and related services.

And amendments to the existing exception for electronic health records (EHR) items and services. The proposed rule also provides critically necessary guidance for physicians and health care providers and suppliers whose financial relationships are governed by the physician self-referral statute and regulations. This notice announces discount coupon cialis an extension of the timeline for publication of the final rule and the continuation of effectiveness of the proposed rule. Section 1871(a)(3)(A) of the Social Security Act (the Act) requires us to establish and publish a regular timeline for the publication of final regulations based on the previous publication of a proposed regulation. In accordance with section 1871(a)(3)(B) of the Act, the timeline may vary among different regulations based on differences in the complexity of the regulation, the number and scope of comments received, and other relevant factors, but may not be longer than 3 years except under exceptional circumstances.

In addition, in accordance with section 1871(a)(3)(B) of the Act, the Secretary may extend the initial targeted publication date of the final regulation if the Secretary, no later discount coupon cialis than the regulation's previously established proposed publication date, publishes a notice with the new target date, and such notice includes a brief explanation of the justification for the variation. We announced in the Spring 2020 Unified Agenda (June 30, 2020, www.reginfo.gov) that we would issue the final rule in August 2020. However, we are still working through the Start Printed Page 52941complexity of the issues raised by comments received on the proposed rule and therefore we are not able to meet the announced publication target date. This notice extends the timeline for publication of discount coupon cialis the final rule until August 31, 2021. Start Signature Dated.

August 24, 2020. Wilma M discount coupon cialis. Robinson, Deputy Executive Secretary to the Department, Department of Health and Human Services. End Signature End Supplemental Information [FR Doc. 2020-18867 Filed discount coupon cialis 8-26-20.

8:45 am]BILLING CODE 4120-01-PThe Centers for Medicare &. Medicaid Services (CMS) today announced efforts underway to support Louisiana and Texas in response to Hurricane Laura. On August 26, 2020, Department of Health and Human Services (HHS) Secretary Alex Azar declared public health emergencies (PHEs) in these states, retroactive to August 22, 2020 for the state of Louisiana and to August 23, 2020 for the state of Texas discount coupon cialis. CMS is working to ensure hospitals and other facilities can continue operations and provide access to care despite the effects of Hurricane Laura. CMS provided numerous waivers to health care providers during the current erectile dysfunction disease 2019 (erectile dysfunction treatment) cialis to meet the needs of beneficiaries and providers.

The waivers already in place discount coupon cialis will be available to health care providers to use during the duration of the erectile dysfunction treatment PHE determination timeframe and for the Hurricane Laura PHE. CMS may waive certain additional Medicare, Medicaid, and Children’s Health Insurance Program (CHIP) requirements, create special enrollment opportunities for individuals to access healthcare quickly, and take steps to ensure dialysis patients obtain critical life-saving services. “Our thoughts are with everyone who is in the path of this powerful and dangerous hurricane and CMS is doing everything within its authority to provide assistance and relief to all who are affected,” said CMS Administrator Seema Verma. €œWe will partner and coordinate with state, discount coupon cialis federal, and local officials to make sure that in the midst of all of the uncertainty a natural disaster can bring, our beneficiaries will not have to worry about access to healthcare and other crucial life-saving and sustaining services they may need.” Below are key administrative actions CMS will be taking in response to the PHEs declared in Louisiana and Texas. Waivers and Flexibilities for Hospitals and Other Healthcare Facilities.

CMS has already waived many Medicare, Medicaid, and CHIP requirements for facilities. The CMS Dallas Survey discount coupon cialis &. Enforcement Division, under the Survey Operations Group, will grant other provider-specific requests for specific types of hospitals and other facilities in Louisiana and Texas. These waivers, once issued, will help provide continued access to care for beneficiaries. For more discount coupon cialis information on the waivers CMS has granted, visit.

Www.cms.gov/emergency. Special Enrollment Opportunities for Hurricane Victims. CMS will make available special enrollment periods for certain Medicare beneficiaries and certain individuals seeking health plans offered through the Federal Health Insurance Exchange. This gives people impacted discount coupon cialis by the hurricane the opportunity to change their Medicare health and prescription drug plans and gain access to health coverage on the Exchange if eligible for the special enrollment period. For more information, please visit.

Disaster Preparedness Toolkit for State Medicaid Agencies. CMS developed discount coupon cialis an inventory of Medicaid and CHIP flexibilities and authorities available to states in the event of a disaster. For more information and to access the toolkit, visit. Https://www.medicaid.gov/state-resource-center/disaster-response-toolkit/index.html. Dialysis Care discount coupon cialis.

CMS is helping patients obtain access to critical life-saving services. The Kidney Community Emergency Response (KCER) program has been activated and is working with the End Stage Renal Disease (ESRD) Network, Network 13 – Louisiana, and Network 14 - Texas, to assess the status of dialysis facilities in the potentially impacted areas related to generators, alternate water supplies, education and materials for patients and more. The KCER is also assisting patients who evacuated ahead of the storm to receive dialysis services in the location to discount coupon cialis which they evacuated. Patients have been educated to have an emergency supply kit on hand including important personal, medical and insurance information. Contact information for their facility, the ESRD Network hotline number, and contact information of those with whom they may stay or for out-of-state contacts in a waterproof bag.

They have also been instructed to discount coupon cialis have supplies on hand to follow a three-day emergency diet. The ESRD Network 8 – Mississippi hotline is 1-800-638-8299, Network 13 – Louisiana hotline is 800-472-7139, the ESRD Network 14 - Texas hotline is 877-886-4435, and the KCER hotline is 866-901-3773. Additional information is available on the KCER website www.kcercoalition.com. During the 2017 and 2018 hurricane seasons, CMS approved special purpose renal dialysis facilities in several states to furnish dialysis on a short-term basis at designated locations to serve ESRD patients under emergency circumstances in which there were limited discount coupon cialis dialysis resources or access-to-care problems due to the emergency circumstances. Medical equipment and supplies replacements.

Under the COVD-19 waivers, CMS suspended certain requirements necessary for Medicare beneficiaries who have lost or realized damage to their durable medical equipment, prosthetics, orthotics and supplies as a result of the PHE. This will help to make sure that beneficiaries discount coupon cialis can continue to access the needed medical equipment and supplies they rely on each day. Medicare beneficiaries can contact 1-800-MEDICARE (1-800-633-4227) for assistance. Ensuring Access to Care in Medicare Advantage and Part D. During a discount coupon cialis public health emergency, Medicare Advantage Organizations and Part D Plan sponsors must take steps to maintain access to covered benefits for beneficiaries in affected areas.

These steps include allowing Part A/B and supplemental Part C plan benefits to be furnished at specified non-contracted facilities and waiving, in full, requirements for gatekeeper referrals where applicable. Emergency Preparedness Requirements. Providers and suppliers are expected to have emergency preparedness programs based on an all-hazards approach discount coupon cialis. To assist in the understanding of the emergency preparedness requirements, CMS Central Office and the Regional Offices hosted two webinars in 2018 regarding Emergency Preparedness requirements and provider expectations. One was an all provider training on June 19, 2018 with more than 3,000 provider participants and the other an all-surveyor training on August 8, 2018.

Both presentations covered the emergency preparedness final rule which included emergency power supply discount coupon cialis. 1135 waiver process. Best practices and lessons learned from past disasters. And helpful discount coupon cialis resources and more. Both webinars are available at https://qsep.cms.gov/welcome.aspx.

CMS also compiled a list of Frequently Asked Questions (FAQs) and useful national emergency preparedness resources to assist state Survey Agencies (SAs), their state, tribal, regional, local emergency management partners and health care providers to develop effective and robust emergency plans and tool kits to assure compliance with the emergency preparedness rules. The tools can be located at discount coupon cialis. CMS Regional Offices have provided specific emergency preparedness information to Medicare providers and suppliers through meetings, dialogue and presentations. The regional offices also provide regular technical assistance in emergency preparedness to state agencies and staff, who, since November 2017, have been regularly surveying providers and suppliers for compliance with emergency preparedness regulations. Additional information on the emergency preparedness requirements can be found discount coupon cialis here.

Https://www.cms.gov/Regulations-and-Guidance/Guidance/Manuals/downloads/som107ap_z_emergprep.pdf CMS will continue to work with all geographic areas impacted by Hurricane Laura. We encourage beneficiaries and providers of healthcare services that have been impacted to seek help by visiting CMS’ emergency webpage (www.cms.gov/emergency). For more information about the HHS PHE, please visit.

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IntroductionIn recent years, many studies have been published on new diagnostic possibilities and management approaches in cohorts of patients suspected to have a disorder/difference buy cialis online safely of sex development (DSD).1–13 Based on these studies, it has become clear that services and institutions still differ in the composition of the multidisciplinary teams that provide care for patients who have a DSD.11 14 Several projects have now worked to resolve this variability in care. The European Cooperation in Science and Technology (EU COST) action BM1303 ‘A systematic elucidation of differences of sex development’ has been a platform to achieve European agreement on harmonisation of clinical management and laboratory practices.15–17 Another such initiative involved an update of the 2006 DSD consensus document by an international group of professionals and patient representatives.18 These initiatives have highlighted how cultural and financial aspects and the availability of resources differ significantly between countries and societies, a situation that hampers supranational agreement on common diagnostic protocols. As only a few national guidelines buy cialis online safely have been published in international journals, comparison of these guidelines is difficult even though such a comparison is necessary to capture the differences and initiate actions to overcome them. Nonetheless, four DSD (expert) centres located in the Netherlands and Flanders (the Dutch-speaking Northern part of Belgium) have collaborated to produce a detailed guideline on diagnostics in DSD.19 This shows that a supranational guideline can be a reasonable approach for countries with similarly structured healthcare systems and similar resources.

Within the guideline there is agreement that optimisation of expertise and care can be achieved through centralisation, for example, by limiting buy cialis online safely analysis of next-generation sequencing (NGS)-based diagnostic panels to only a few centres and by centralising pathological review of gonadal tissues. International networks such as the European Reference Network for rare endocrine conditions (EndoERN), in which DSD is embedded, may facilitate the expansion of this kind of collaboration across Europe.This paper highlights key discussion points in the Dutch-Flemish guideline that have been insufficiently addressed in the literature thus far because they reflect evolving technologies or less visible stakeholders. For example, prenatal observation of an atypical aspect of the genitalia indicating a possible DSD is becoming increasingly common, and we discuss appropriate counselling buy cialis online safely and a diagnostic approach for these cases, including the option of using NGS-based genetic testing. So far, little attention has been paid to this process.20 21 Furthermore, informing patients and/or their parents about atypical sex development and why this may warrant referral to a specialised team may be challenging, especially for professionals with limited experience in DSD.22 23 Therefore, a section of the Dutch-Flemish guideline was written for these healthcare providers.

Moreover, this enables DSD specialists to refer to the guideline when buy cialis online safely advising a referral. Transition from the prenatal to the postnatal team and from the paediatric to the adult team requires optimal communication between the specialists involved. Application of NGS-based techniques may lead to a higher diagnostic yield, providing a molecular genetic diagnosis in previously unsolved cases.16 We address the timing of this testing and the problems associated with this technique such as the interpretation of variants of unknown clinical significance (VUS). Similarly, histopathological interpretation and classification of removed gonadal tissue is challenging and would benefit from international collaboration and centralisation of expertise.MethodsFor the guideline revision, an interdisciplinary multicentre group was formed with all members responsible for updating the literature for a specific part of the guideline buy cialis online safely.

Literature search in PubMed was not systematic, but rather intended to be broad in order to cover all areas and follow expert opinions. This approach is more in line with the Clinical Practice Advisory Document method described by Burke et al24 for guidelines involving genetic practice because it is often troublesome to substantiate such guidelines with sufficient evidence due to the rapid changes in testing buy cialis online safely methods, for example, gene panels. All input provided by the group was synthesised by the chairperson (YvB), who also reviewed abstracts of papers on DSD published between 2010 and September 2017 for the guideline and up to October 2019 for this paper. Abstracts had to be written in English and were identified using a broad range of Medical Subject buy cialis online safely Headings terms (eg, DSD, genetic, review, diagnosis, diagnostics, 46,XX DSD, 46,XY DSD, guideline, multidisciplinary care).

Next, potentially relevant papers on diagnostic procedures in DSD were selected. Case reports were excluded, as were buy cialis online safely articles that were not open access or retrievable through institutional access. Based on this, a draft guideline was produced that was in line with the international principles of good diagnostic care in DSD. This draft was discussed buy cialis online safely by the writing committee and, after having obtained agreement on remaining points of discussion, revised into a final draft.

This version was sent to a broad group of professionals from academic centres and DSD teams whose members had volunteered to review the draft guideline. After receiving and incorporating their input, the final version was presented to the paediatric and genetic associations for approval. After approval by the members of the paediatric (NVK), clinical genetic (VKGN) buy cialis online safely and genetic laboratory (VKGL) associations, the guideline was published on their respective websites.19 Although Turner syndrome and Klinefelter syndrome are considered to be part of the DSD spectrum, they are not extensively discussed in this diagnostic guideline as guidelines dedicated to these syndromes already exist.25 26 However, some individuals with Turner syndrome or Klinefelter syndrome may present with ambiguous or atypical genitalia and may therefore initially follow the DSD diagnostic process.Guideline highlightsPrenatal settingPresentationThe most frequent prenatal presentation of a DSD condition is atypical genitalia found on prenatal ultrasound as an isolated finding or in combination with other structural anomalies. This usually occurs after the 20-week routine medical ultrasound for screening of congenital anomalies, but may also occur earlier, for example, when a commercial ultrasound is performed at the request of the parents.Another way DSD can be diagnosed before birth is when invasive prenatal genetic testing carried out for a different reason, for example, due to suspicion of other structural anomalies, reveals a discrepancy between the genotypic sex and the phenotypic sex seen by ultrasound.

In certified laboratories, the possibility of a sample switch is extremely low but should be ruled buy cialis online safely out immediately. More often, the discrepancy will be due to sex-chromosome mosaicism or a true form of DSD.A situation now occurring with increasing frequency is a discrepancy between the genotypic sex revealed by non-invasive prenatal testing (NIPT), which is now available to high-risk pregnant women in the Netherlands and to all pregnant women in Belgium, and later ultrasound findings. NIPT screens for CNVs in the fetus buy cialis online safely. However, depending on legal restrictions and/or ethical considerations, the X and Y chromosomes are not always included in NIPT analysis and reports.

If the X and Y chromosomes are included, it is important to realise that the buy cialis online safely presence of a Y-chromosome does not necessarily imply male fetal development. At the time that NIPT is performed (usually 11–13 weeks), genital development cannot be reliably appreciated by ultrasound, so any discrepancy or atypical aspect of the genitalia will only be noticed later in pregnancy and should prompt further evaluation.Counselling and diagnosticsIf a DSD is suspected, first-line sonographers and obstetricians should refer the couple to their colleague prenatal specialists working with or in a DSD team. After confirming an atypical genital on ultrasound, the specialist team should offer the couple a referral for genetic counselling to discuss buy cialis online safely the possibility of performing invasive prenatal testing (usually an amniocentesis) to identify an underlying cause that fits the ultrasound findings.22 23 To enable the parents to make a well-informed decision, prenatal counselling should, in our opinion, include. Information on the ultrasound findings and the limitations of this technique.

The procedure(s) that can be followed, including the risks associated with an amniocentesis. And the type of information buy cialis online safely genetic testing can and cannot provide. Knowing which information has been provided and what words have been used by the prenatal specialist is very helpful for those involved in postnatal care.It is important that parents understand that the biological sex of a baby is determined by a complex interplay of chromosomes, genes and hormones, and thus that assessment of the presence or absence of a Y-chromosome alone is insufficient to assign the sex of their unborn child or, as in any unborn child, say anything about the child’s future gender identity.Expecting parents can be counselled by the clinical geneticist and the psychologist from the DSD team, although other DSD specialists can also be involved. The clinical geneticist should be experienced in prenatal counselling and well informed about the diagnostic possibilities given the limited time span in which test results need to be available to allow parents to make a well-informed decision about whether or not to continue the pregnancy buy cialis online safely.

Termination of pregnancy can be considered, for instance, in a syndromic form of DSD with multiple malformations, but when the DSD occurs as an apparently isolated condition, expecting parents may also consider termination of pregnancy, which, although considered controversial by some, is legal in Belgium and the Netherlands. The psychologist of the DSD team can support buy cialis online safely parents during and after pregnancy and help them cope with feelings of uncertainty and eventual considerations of a termination of pregnancy, as well as with practical issues, for example, how to inform others. The stress of not knowing exactly what the child’s genitalia will look like and uncertainty about the diagnosis, treatment and prognosis cannot be avoided completely. Parents are informed that if the postnatal phenotype is different from what was prenatally expected, the advice given about diagnostic testing can buy cialis online safely be adjusted accordingly, for example, if a hypospadias is milder than was expected based on prenatal ultrasound images.

In our experience, parents appreciate having already spoken to some members of the DSD team during pregnancy and having a contact person before birth.After expert prenatal counselling, a significant number of pregnant couples decline prenatal testing (personal experience IALG, MK, ABD, YvB, MC and HC-vdG). At birth, umbilical cord blood is a good source for (molecular) karyotyping and storage of DNA and can be obtained by buy cialis online safely the obstetrician, midwife or neonatologist. The terminology used in communication with parents should be carefully chosen,22 23 and midwives and staff of neonatal and delivery units should be clearly instructed to use gender-neutral and non-stigmatising vocabulary (eg, ‘your baby’) as long as sex assignment is pending.An algorithm for diagnostic evaluation of a suspected DSD in the prenatal situation is proposed in figure 1. When couples opt for invasive prenatal diagnosis, the genetic analysis usually involves an (SNP)-array.

It was recently estimated that >30% of individuals who have a DSD have additional structural anomalies, with cardiac and neurological anomalies and fetal growth restriction being particularly common.27 28 If additional anomalies are seen, the geneticist can consider specific gene defects that may underlie buy cialis online safely a known genetic syndrome or carry out NGS. NGS-based techniques have also now made their appearance in prenatal diagnosis of congenital anomalies.29 30 Panels using these techniques can be specific for genes involved in DSD, or be larger panels covering multiple congenital anomalies, and are usually employed with trio-analysis to compare variants identified in the child with the parents’ genetics.29–31 Finding a genetic cause before delivery can help reduce parental stress in the neonatal period and speed up decisions regarding gender assignment. In such buy cialis online safely cases there is no tight time limit, and we propose completing the analysis well before the expected delivery.Disorders/differences of sex development (DSD) in the prenatal setting. A diagnostic algorithm.

*SOX9. Upstream anomalies and balanced translocations at promotor sites!. Conventional karyotyping can be useful. NGS, next-generation sequencing." data-icon-position data-hide-link-title="0">Figure 1 Disorders/differences of sex development (DSD) in the prenatal setting.

A diagnostic algorithm. *SOX9. Upstream anomalies and balanced translocations at promotor sites!. Conventional karyotyping can be useful.

NGS, next-generation sequencing.First contact by a professional less experienced in DSDWhereas most current guidelines start from the point when an individual has been referred to the DSD team,1 15 the Dutch-Flemish guideline dedicates a chapter to healthcare professionals less experienced in DSD as they are often the first to suspect or identify such a condition. Apart from the paper of Indyk,7 little guidance is available for these professionals about how to act in such a situation. The chapter in the Dutch-Flemish guideline summarises the various clinical presentations that a DSD can have and provides information on how to communicate with parents and/or patients about the findings of the physical examination, the first-line investigations and the need for prompt referral to a specialised centre for further evaluation. Clinical examples are offered to illustrate some of these recurring situations.

The medical issues in DSD can be very challenging, and the social and psychological impact is high. For neonates with ambiguous genitalia, sex assignment is an urgent and crucial issue, and it is mandatory that parents are informed that it is possible to postpone registration of their child’s sex. In cases where sex assignment has already taken place, the message that the development of the gonads or genitalia is still atypical is complicated and distressing for patients and parents or carers. A list of contact details for DSD centres and patient organisations in the Netherlands and Flanders is attached to the Dutch-Flemish guideline.

Publishing such a list, either in guidelines or online, can help healthcare professionals find the nearest centres for consultations and provide patients and patient organisations with an overview of the centres where expertise is available.Timing and place of genetic testing using NGS-based gene panelsThe diagnostic workup that is proposed for 46,XX and 46,XY DSD is shown in figures 2 and 3, respectively. Even with the rapidly expanding molecular possibilities, a (family) history and a physical examination remain the essential first steps in the diagnostic process. Biochemical and hormonal screening aim at investigating serum electrolytes, renal function and the hypothalamic-pituitary-gonadal and hypothalamic-pituitary-adrenal axes. Ultrasound screening of kidneys and internal genitalia, as well as establishing genotypic sex, should be accomplished within 48 hours and complete the baseline diagnostic work-up of a child born with ambiguous genitalia.1 16 32 3346,XX disorders/differences of sex development (DSD) in the postnatal setting.

A diagnostic algorithm. NGS, next-generation sequencing. CAH, Congenital adrenal hyperplasia. AMH, Anti-Müllerian Hormone." data-icon-position data-hide-link-title="0">Figure 2 46,XX disorders/differences of sex development (DSD) in the postnatal setting.

A diagnostic algorithm. NGS, next-generation sequencing. CAH, Congenital adrenal hyperplasia. AMH, Anti-Müllerian Hormone.46,XY disorders/differences of sex development (DSD) in the postnatal setting.

A diagnostic algorithm. * SOX9. Upstream anomalies and balanced translocations at promotor sites!. Conventional karyotyping can be useful.

NGS, next-generation sequencing." data-icon-position data-hide-link-title="0">Figure 3 46,XY disorders/differences of sex development (DSD) in the postnatal setting. A diagnostic algorithm. *SOX9. Upstream anomalies and balanced translocations at promotor sites!.

Conventional karyotyping can be useful. NGS, next-generation sequencing.Very recently, a European position paper has been published focusing on the genetic workup of DSD.16 It highlights the limitations and drawbacks of NGS-based tests, which include the chance of missing subtle structural variants such as CNVs and mosaicism and the fact that NGS cannot detect methylation defects or other epigenetic changes.16 28 31 Targeted DNA analysis is preferred in cases where hormonal investigations suggest a block in steroidogenesis (eg, 11-β-hydroxylase deficiency, 21-hydroxylase deficiency), or in the context of a specific clinical constellation such as the often coincidental finding of Müllerian structures in a boy with normal external genitalia or cryptorchidism, that is, persistent Müllerian duct syndrome.33 34 Alternative tests should also be considered depending on the available information. Sometimes, a simple mouth swab for FISH analysis can detect mosaic XY/X in a male with hypospadias or asymmetric gonadal development or in a female with little or no Turner syndrome stigmata and a normal male molecular karyotyping profile or peripheral blood karyotype. Such targeted testing avoids incidental findings and is cheaper and faster than analysis of a large NGS-based panel, although the cost difference is rapidly declining.However, due to the genetic and phenotypic heterogeneity of DSD conditions, the most cost-effective next steps in the majority of cases are whole exome sequencing followed by panel analysis of genes involved in genital development and function or trio-analysis of a large gene panel (such as a Mendeliome).16 35–38 Pretest genetic counselling involves discussing what kind of information will be reported to patients or parents and the chance of detecting VUS, and the small risk of incidental findings when analysing a DSD panel should be mentioned.

Laboratories also differ in what class of variants they report.39 In our experience, the fear of incidental findings is a major reason why some parents refrain from genetic testing.Timing of the DSD gene panel analysis is also important. While some patients or parents prefer that all diagnostic procedures be performed as soon as possible, others need time to reflect on the complex information related to more extensive genetic testing and on its possible consequences. If parents or patients do not consent to panel-based genetic testing, analysis of specific genes, such as WT1, should be considered when appropriate in view of the clinical consequences if a mutation is present (eg, clinical surveillance of renal function and screening for Wilms’ tumour in the case of WT1 mutations). Genes that are more frequently involved in DSD (eg, SRY, NR5A1) and that match the specific clinical and hormonal features in a given patient could also be considered for sequencing.

Targeted gene analysis may also be preferred in centres located in countries that do not have the resources or technical requirements to perform NGS panel-based genetic testing. Alternatively, participation by these centres in international collaborative networks may allow them to outsource the molecular genetic workup abroad.Gene panels differ between centres and are regularly updated based on scientific progress. A comparison of DSD gene panels used in recent studies can be found at https://www.nature.com/articles/s41574-018-0010-8%23Sec46.15 The panels currently used at the coauthors’ institutions can be found on their respective websites. Given the pace of change, it is important to regularly consider repeating analysis in patients with an unexplained DSD, for example, when they transition into adult care or when they move from one centre to another.

This also applies to patients in whom a clinical diagnosis has never been genetically confirmed. Confusion may arise when the diagnosis cannot be confirmed or when a mutation is identified in a different gene, for example, NR5A1 in someone with a clinical diagnosis of CAIS that has other consequences for relatives. Hence, new genetic counselling should always accompany new diagnostic endeavours.Class 3 variants and histopathological examinationsThe rapidly evolving diagnostic possibilities raise new questions. What do laboratories report?.

How should we deal with the frequent findings of mainly unique VUS or class 3 variants (ACMG recommendation) in the many different DSD-related genes in the diagnostic setting?. Reporting VUS can be a source of uncertainty for parents, but not reporting these variants precludes further investigations to determine their possible pathogenicity. It can also be difficult to prove variant pathogenicity, both on gene-level and variant-level.39 Moreover, given the gonad-specific expression of some genes and the variable phenotypic spectrum and reduced penetrance, segregation analysis is not always informative. A class 3 variant that does not fit the clinical presentation may be unrelated to the observed phenotype, but it could also represent a newly emerging phenotype.

This was recently demonstrated by the identification of the NR5A1 mutation, R92W, in individuals with 46,XX testicular and ovotesticular DSD.40 This gene had previously been associated with 46,XY DSD. In diagnostic laboratories, there is usually no capacity or expertise to conduct large-scale functional studies to determine pathogenicity of these unique class 3 VUS in the different genes involved in DSD. Functional validation of variants identified in novel genes may be more attractive in a research context. However, for individual families with VUS in well-established DSD genes such as AR or HSD17B3, functional analysis may provide a confirmed diagnosis that implies for relatives the option of undergoing their own DNA analysis and estimating the genetic risk of their own future offspring.

This makes genetic follow-up important in these cases and demonstrates the usefulness of international databases and networks and the centralisation of functional studies of genetic variants in order to reduce costs and maximise expertise.The same is true for histopathological description, germ-cell tumour risk assessment in specific forms of DSD and classification of gonadal samples. Germ-cell tumour risk is related to the type of DSD (among other factors), but it is impossible to make risk estimates in individual cases.41–44 Gonadectomy may be indicated in cases with high-risk dysgenetic abdominal gonads that cannot be brought into a stable superficial (ie, inguinal, labioscrotal) position that allows clinical or radiological surveillance, or to avoid virilisation due to 5-alpha reductase deficiency in a 46,XY girl with a stable female gender identity.45 Pathological examination of DSD gonads requires specific expertise. For example, the differentiation between benign germ cell abnormalities, such as delayed maturation and (pre)malignant development of germ cells, is crucial for clinical management but can be very troublesome.46 Centralised pathological examination of gonadal biopsy and gonadectomy samples in one centre, or a restricted number of centres, on a national scale can help to overcome the problem of non-uniform classification and has proven feasible in the Netherlands and Belgium. We therefore believe that uniform assessment and classification of gonadal differentiation patterns should also be addressed in guidelines on DSD management.International databases of gonadal tissues are crucial for learning more about the risk of malignancy in different forms of DSD, but they are only reliable if uniform criteria for histological classification are strictly applied.46 These criteria could be incorporated in many existing networks such as the I-DSD consortium, the Disorders of Sex Development Translational Research Network, the European Reference Network on Urogenital Diseases (eUROGEN), the EndoERN and COST actions.15–17 47Communication at the transition from paediatric to adult carePaediatric and adult teams need to collaborate closely to facilitate a well-organised transition from paediatric to adult specialist care.15 48–50 Both teams need to exchange information optimally and should consider transition as a longitudinal process rather than a fixed moment in time.

Age-appropriate information is key at all ages, and an overview of topics to be discussed at each stage is described by Cools et al.15 Table 1 shows an example of how transition can be organised.View this table:Table 1 Example of transition table as used in the DSD clinic of the Erasmus Medical CenterPsychological support and the continued provision of information remains important for individuals with a DSD at all ages.15 22 In addition to the information given by the DSD team members, families and patients can benefit from resources such as support groups and information available on the internet.47 Information available online should be checked for accuracy and completeness when referring patients and parents to internet sites.Recommendations for future actionsMost guidelines and articles on the diagnosis and management of DSD are aimed at specialists and are only published in specialist journals or on websites for endocrinologists, urologists or geneticists. Yet there is a need for guidelines directed towards first-line and second-line healthcare workers that summarise the recommendations about the first crucial steps in the management of DSD. These should be published in widely available general medical journals and online, along with a national list of DSD centres. Furthermore, DSD (expert) centres should provide continuous education to all those who may be involved in the identification of individuals with a DSD in order to enable these healthcare professionals to recognise atypical genitalia, to promptly refer individuals who have a DSD and to inform the patient and parents about this and subsequent diagnostic procedures.As DSD continues to be a rare condition, it will take time to evaluate the effects of having such a guideline on the preparedness of first-line and second-line healthcare workers to recognise DSD conditions.

One way to evaluate this might be the development and use of questionnaires asking patients, carers and families and referring physicians how satisfied they were with the initial medical consultation and referral and what could be improved. A helpful addition to existing international databases that collect information on genetic variations would be a list of centres that offer suitable functional studies for certain genes, ideally covering the most frequently mutated genes (at minimum).Patient organisations can also play an important role in informing patients about newly available diagnostic or therapeutic strategies and options, and their influence and specific role has now been recognised and discussed in several publications.17 47 However, it should be kept in mind that these organisations do not represent all patients, as a substantial number of patients and parents are not member of such an organisation.Professionals have to provide optimal medical care based on well-established evidence, or at least on broad consensus. Yet not everything can be regulated by recommendations and guidelines. Options, ideas and wishes should be openly discussed between professionals, patients and families within their confidential relationship.

This will enable highly individualised holistic care tailored to the patient’s needs and expectations. Once they are well-informed of all available options, parents and/or patients can choose what they consider the optimal care for their children or themselves.15 16ConclusionThe Dutch-Flemish guideline uniquely addresses some topics that are under-represented in the literature, thus adding some key aspects to those addressed in recent consensus papers and guidelines.15–17 33 47As more children with a DSD are now being identified prenatally, and the literature on prenatal diagnosis of DSD remains scarce,20 21 we propose a prenatal diagnostic algorithm and emphasise the importance of having a prenatal specialist involved in or collaborating with DSD (expert) centres.We also stress that good communication between all involved parties is essential. Professionals should be well informed about protocols and communication. Collaboration between centres is necessary to optimise aspects of care such as uniform interpretation of gonadal pathology and functional testing of class 3 variants found by genetic testing.

Guidelines can provide a framework within which individualised patient care should be discussed with all stakeholders.AcknowledgmentsThe authors would like to thank the colleagues of the DSD teams for their input in and critical reading of the Dutch-Flemish guideline. Amsterdam University Center (AMC and VU), Maastricht University Medical Center, Erasmus Medical Center Rotterdam, Radboud University Medical Center Nijmegen, University Medical Center Groningen, University Medical Center Utrecht, Ghent University Hospital. The authors would like to thank Kate McIntyre for editing the revised manuscript and Tom de Vries Lentsch for providing the figures as a PDF. Three of the authors of this publication are members of the European Reference Network for rare endocrine diseases—Project ID 739543..

IntroductionIn recent years, many studies have been published on discount coupon cialis new diagnostic possibilities and management approaches in cohorts of patients suspected to have a disorder/difference of sex development (DSD).1–13 Based on these studies, it has become clear that services and institutions still differ in the composition of the multidisciplinary teams that provide care for patients who have a DSD.11 14 Several How much does zithromax cost without insurance projects have now worked to resolve this variability in care. The European Cooperation in Science and Technology (EU COST) action BM1303 ‘A systematic elucidation of differences of sex development’ has been a platform to achieve European agreement on harmonisation of clinical management and laboratory practices.15–17 Another such initiative involved an update of the 2006 DSD consensus document by an international group of professionals and patient representatives.18 These initiatives have highlighted how cultural and financial aspects and the availability of resources differ significantly between countries and societies, a situation that hampers supranational agreement on common diagnostic protocols. As only a few national guidelines have been published discount coupon cialis in international journals, comparison of these guidelines is difficult even though such a comparison is necessary to capture the differences and initiate actions to overcome them. Nonetheless, four DSD (expert) centres located in the Netherlands and Flanders (the Dutch-speaking Northern part of Belgium) have collaborated to produce a detailed guideline on diagnostics in DSD.19 This shows that a supranational guideline can be a reasonable approach for countries with similarly structured healthcare systems and similar resources. Within the guideline there is agreement that optimisation of expertise and care can be achieved through centralisation, for example, by limiting analysis of next-generation sequencing (NGS)-based diagnostic panels to only a few centres and by discount coupon cialis centralising pathological review of gonadal tissues.

International networks such as the European Reference Network for rare endocrine conditions (EndoERN), in which DSD is embedded, may facilitate the expansion of this kind of collaboration across Europe.This paper highlights key discussion points in the Dutch-Flemish guideline that have been insufficiently addressed in the literature thus far because they reflect evolving technologies or less visible stakeholders. For example, prenatal observation of an discount coupon cialis atypical aspect of the genitalia indicating a possible DSD is becoming increasingly common, and we discuss appropriate counselling and a diagnostic approach for these cases, including the option of using NGS-based genetic testing. So far, little attention has been paid to this process.20 21 Furthermore, informing patients and/or their parents about atypical sex development and why this may warrant referral to a specialised team may be challenging, especially for professionals with limited experience in DSD.22 23 Therefore, a section of the Dutch-Flemish guideline was written for these healthcare providers. Moreover, this discount coupon cialis enables DSD specialists to refer to the guideline when advising a referral. Transition from the prenatal to the postnatal team and from the paediatric to the adult team requires optimal communication between the specialists involved.

Application of NGS-based techniques may lead to a higher diagnostic yield, providing a molecular genetic diagnosis in previously unsolved cases.16 We address the timing of this testing and the problems associated with this technique such as the interpretation of variants of unknown clinical significance (VUS). Similarly, histopathological interpretation and classification of removed gonadal tissue is challenging and would benefit from international collaboration and centralisation of expertise.MethodsFor the guideline revision, an interdisciplinary multicentre group was formed with all members responsible for updating the discount coupon cialis literature for a specific part of the guideline. Literature search in PubMed was not systematic, but rather intended to be broad in order to cover all areas and follow expert opinions. This approach is more in line with the Clinical Practice Advisory Document method described by discount coupon cialis Burke et al24 for guidelines involving genetic practice because it is often troublesome to substantiate such guidelines with sufficient evidence due to the rapid changes in testing methods, for example, gene panels. All input provided by the group was synthesised by the chairperson (YvB), who also reviewed abstracts of papers on DSD published between 2010 and September 2017 for the guideline and up to October 2019 for this paper.

Abstracts had to be written discount coupon cialis in English and were identified using a broad range of Medical Subject Headings terms (eg, DSD, genetic, review, diagnosis, diagnostics, 46,XX DSD, 46,XY DSD, guideline, multidisciplinary care). Next, potentially relevant papers on diagnostic procedures in DSD were selected. Case reports discount coupon cialis were excluded, as were articles that were not open access or retrievable through institutional access. Based on this, a draft guideline was produced that was in line with the international principles of good diagnostic care in DSD. This draft discount coupon cialis was discussed by the writing committee and, after having obtained agreement on remaining points of discussion, revised into a final draft.

This version was sent to a broad group of professionals from academic centres and DSD teams whose members had volunteered to review the draft guideline. After receiving and incorporating their input, the final version was presented to the paediatric and genetic associations for approval. After approval by the members of the paediatric (NVK), clinical genetic (VKGN) and discount coupon cialis genetic laboratory (VKGL) associations, the guideline was published on their respective websites.19 Although Turner syndrome and Klinefelter syndrome are considered to be part of the DSD spectrum, they are not extensively discussed in this diagnostic guideline as guidelines dedicated to these syndromes already exist.25 26 However, some individuals with Turner syndrome or Klinefelter syndrome may present with ambiguous or atypical genitalia and may therefore initially follow the DSD diagnostic process.Guideline highlightsPrenatal settingPresentationThe most frequent prenatal presentation of a DSD condition is atypical genitalia found on prenatal ultrasound as an isolated finding or in combination with other structural anomalies. This usually occurs after the 20-week routine medical ultrasound for screening of congenital anomalies, but may also occur earlier, for example, when a commercial ultrasound is performed at the request of the parents.Another way DSD can be diagnosed before birth is when invasive prenatal genetic testing carried out for a different reason, for example, due to suspicion of other structural anomalies, reveals a discrepancy between the genotypic sex and the phenotypic sex seen by ultrasound. In certified laboratories, the possibility of a sample switch is extremely low discount coupon cialis but should be ruled out immediately.

More often, the discrepancy will be due to sex-chromosome mosaicism or a true form of DSD.A situation now occurring with increasing frequency is a discrepancy between the genotypic sex revealed by non-invasive prenatal testing (NIPT), which is now available to high-risk pregnant women in the Netherlands and to all pregnant women in Belgium, and later ultrasound findings. NIPT screens for CNVs in the fetus discount coupon cialis. However, depending on legal restrictions and/or ethical considerations, the X and Y chromosomes are not always included in NIPT analysis and reports. If the X and Y chromosomes are included, it is important to realise that the presence of a Y-chromosome does not necessarily imply discount coupon cialis male fetal development. At the time that NIPT is performed (usually 11–13 weeks), genital development cannot be reliably appreciated by ultrasound, so any discrepancy or atypical aspect of the genitalia will only be noticed later in pregnancy and should prompt further evaluation.Counselling and diagnosticsIf a DSD is suspected, first-line sonographers and obstetricians should refer the couple to their colleague prenatal specialists working with or in a DSD team.

After confirming an atypical genital on ultrasound, the specialist team should offer the couple a referral for genetic discount coupon cialis counselling to discuss the possibility of performing invasive prenatal testing (usually an amniocentesis) to identify an underlying cause that fits the ultrasound findings.22 23 To enable the parents to make a well-informed decision, prenatal counselling should, in our opinion, include. Information on the ultrasound findings and the limitations of this technique. The procedure(s) that can be followed, including the risks associated with an amniocentesis. And the discount coupon cialis type of information genetic testing can and cannot provide. Knowing which information has been provided and what words have been used by the prenatal specialist is very helpful for those involved in postnatal care.It is important that parents understand that the biological sex of a baby is determined by a complex interplay of chromosomes, genes and hormones, and thus that assessment of the presence or absence of a Y-chromosome alone is insufficient to assign the sex of their unborn child or, as in any unborn child, say anything about the child’s future gender identity.Expecting parents can be counselled by the clinical geneticist and the psychologist from the DSD team, although other DSD specialists can also be involved.

The clinical geneticist should be experienced in prenatal counselling and well informed about the diagnostic possibilities given the limited time discount coupon cialis span in which test results need to be available to allow parents to make a well-informed decision about whether or not to continue the pregnancy. Termination of pregnancy can be considered, for instance, in a syndromic form of DSD with multiple malformations, but when the DSD occurs as an apparently isolated condition, expecting parents may also consider termination of pregnancy, which, although considered controversial by some, is legal in Belgium and the Netherlands. The psychologist of the DSD team can support parents during and after pregnancy and help them cope with feelings of uncertainty and eventual considerations of a termination of pregnancy, as well as with practical issues, for discount coupon cialis example, how to inform others. The stress of not knowing exactly what the child’s genitalia will look like and uncertainty about the diagnosis, treatment and prognosis cannot be avoided completely. Parents are discount coupon cialis informed that if the postnatal phenotype is different from what was prenatally expected, the advice given about diagnostic testing can be adjusted accordingly, for example, if a hypospadias is milder than was expected based on prenatal ultrasound images.

In our experience, parents appreciate having already spoken to some members of the DSD team during pregnancy and having a contact person before birth.After expert prenatal counselling, a significant number of pregnant couples decline prenatal testing (personal experience IALG, MK, ABD, YvB, MC and HC-vdG). At birth, umbilical cord blood is a good source for (molecular) karyotyping and storage of DNA and can be obtained by the discount coupon cialis obstetrician, midwife or neonatologist. The terminology used in communication with parents should be carefully chosen,22 23 and midwives and staff of neonatal and delivery units should be clearly instructed to use gender-neutral and non-stigmatising vocabulary (eg, ‘your baby’) as long as sex assignment is pending.An algorithm for diagnostic evaluation of a suspected DSD in the prenatal situation is proposed in figure 1. When couples opt for invasive prenatal diagnosis, the genetic analysis usually involves an (SNP)-array. It was discount coupon cialis recently estimated that >30% of individuals who have a DSD have additional structural anomalies, with cardiac and neurological anomalies and fetal growth restriction being particularly common.27 28 If additional anomalies are seen, the geneticist can consider specific gene defects that may underlie a known genetic syndrome or carry out NGS.

NGS-based techniques have also now made their appearance in prenatal diagnosis of congenital anomalies.29 30 Panels using these techniques can be specific for genes involved in DSD, or be larger panels covering multiple congenital anomalies, and are usually employed with trio-analysis to compare variants identified in the child with the parents’ genetics.29–31 Finding a genetic cause before delivery can help reduce parental stress in the neonatal period and speed up decisions regarding gender assignment. In such cases discount coupon cialis there is no tight time limit, and we propose completing the analysis well before the expected delivery.Disorders/differences of sex development (DSD) in the prenatal setting. A diagnostic algorithm. *SOX9. Upstream anomalies and balanced translocations at promotor sites!.

Conventional karyotyping can be useful. NGS, next-generation sequencing." data-icon-position data-hide-link-title="0">Figure 1 Disorders/differences of sex development (DSD) in the prenatal setting. A diagnostic algorithm. *SOX9. Upstream anomalies and balanced translocations at promotor sites!.

Conventional karyotyping can be useful. NGS, next-generation sequencing.First contact by a professional less experienced in DSDWhereas most current guidelines start from the point when an individual has been referred to the DSD team,1 15 the Dutch-Flemish guideline dedicates a chapter to healthcare professionals less experienced in DSD as they are often the first to suspect or identify such a condition. Apart from the paper of Indyk,7 little guidance is available for these professionals about how to act in such a situation. The chapter in the Dutch-Flemish guideline summarises the various clinical presentations that a DSD can have and provides information on how to communicate with parents and/or patients about the findings of the physical examination, the first-line investigations and the need for prompt referral to a specialised centre for further evaluation. Clinical examples are offered to illustrate some of these recurring situations.

The medical issues in DSD can be very challenging, and the social and psychological impact is high. For neonates with ambiguous genitalia, sex assignment is an urgent and crucial issue, and it is mandatory that parents are informed that it is possible to postpone registration of their child’s sex. In cases where sex assignment has already taken place, the message that the development of the gonads or genitalia is still atypical is complicated and distressing for patients and parents or carers. A list of contact details for DSD centres and patient organisations in the Netherlands and Flanders is attached to the Dutch-Flemish guideline. Publishing such a list, either in guidelines or online, can help healthcare professionals find the nearest centres for consultations and provide patients and patient organisations with an overview of the centres where expertise is available.Timing and place of genetic testing using NGS-based gene panelsThe diagnostic workup that is proposed for 46,XX and 46,XY DSD is shown in figures 2 and 3, respectively.

Even with the rapidly expanding molecular possibilities, a (family) history and a physical examination remain the essential first steps in the diagnostic process. Biochemical and hormonal screening aim at investigating serum electrolytes, renal function and the hypothalamic-pituitary-gonadal and hypothalamic-pituitary-adrenal axes. Ultrasound screening of kidneys and internal genitalia, as well as establishing genotypic sex, should be accomplished within 48 hours and complete the baseline diagnostic work-up of a child born with ambiguous genitalia.1 16 32 3346,XX disorders/differences of sex development (DSD) in the postnatal setting. A diagnostic algorithm. NGS, next-generation sequencing.

CAH, Congenital adrenal hyperplasia. AMH, Anti-Müllerian Hormone." data-icon-position data-hide-link-title="0">Figure 2 46,XX disorders/differences of sex development (DSD) in the postnatal setting. A diagnostic algorithm. NGS, next-generation sequencing. CAH, Congenital adrenal hyperplasia.

AMH, Anti-Müllerian Hormone.46,XY disorders/differences of sex development (DSD) in the postnatal setting. A diagnostic algorithm. * SOX9. Upstream anomalies and balanced translocations at promotor sites!. Conventional karyotyping can be useful.

NGS, next-generation sequencing." data-icon-position data-hide-link-title="0">Figure 3 46,XY disorders/differences of sex development (DSD) in the postnatal setting. A diagnostic algorithm. *SOX9. Upstream anomalies and balanced translocations at promotor sites!. Conventional karyotyping can be useful.

NGS, next-generation sequencing.Very recently, a European position paper has been published focusing on the genetic workup of DSD.16 It highlights the limitations and drawbacks of NGS-based tests, which include the chance of missing subtle structural variants such as CNVs and mosaicism and the fact that NGS cannot detect methylation defects or other epigenetic changes.16 28 31 Targeted DNA analysis is preferred in cases where hormonal investigations suggest a block in steroidogenesis (eg, 11-β-hydroxylase deficiency, 21-hydroxylase deficiency), or in the context of a specific clinical constellation such as the often coincidental finding of Müllerian structures in a boy with normal external genitalia or cryptorchidism, that is, persistent Müllerian duct syndrome.33 34 Alternative tests should also be considered depending on the available information. Sometimes, a simple mouth swab for FISH analysis can detect mosaic XY/X in a male with hypospadias or asymmetric gonadal development or in a female with little or no Turner syndrome stigmata and a normal male molecular karyotyping profile or peripheral blood karyotype. Such targeted testing avoids incidental findings and is cheaper and faster than analysis of a large NGS-based panel, although the cost difference is rapidly declining.However, due to the genetic and phenotypic heterogeneity of DSD conditions, the most cost-effective next steps in the majority of cases are whole exome sequencing followed by panel analysis of genes involved in genital development and function or trio-analysis of a large gene panel (such as a Mendeliome).16 35–38 Pretest genetic counselling involves discussing what kind of information will be reported to patients or parents and the chance of detecting VUS, and the small risk of incidental findings when analysing a DSD panel should be mentioned. Laboratories also differ in what class of variants they report.39 In our experience, the fear of incidental findings is a major reason why some parents refrain from genetic testing.Timing of the DSD gene panel analysis is also important. While some patients or parents prefer that all diagnostic procedures be performed as soon as possible, others need time to reflect on the complex information related to more extensive genetic testing and on its possible consequences.

If parents or patients do not consent to panel-based genetic testing, analysis of specific genes, such as WT1, should be considered when appropriate in view of the clinical consequences if a mutation is present (eg, clinical surveillance of renal function and screening for Wilms’ tumour in the case of WT1 mutations). Genes that are more frequently involved in DSD (eg, SRY, NR5A1) and that match the specific clinical and hormonal features in a given patient could also be considered for sequencing. Targeted gene analysis may also be preferred in centres located in countries that do not have the resources or technical requirements to perform NGS panel-based genetic testing. Alternatively, participation by these centres in international collaborative networks may allow them to outsource the molecular genetic workup abroad.Gene panels differ between centres and are regularly updated based on scientific progress. A comparison of DSD gene panels used in recent studies can be found at https://www.nature.com/articles/s41574-018-0010-8%23Sec46.15 The panels currently used at the coauthors’ institutions can be found on their respective websites.

Given the pace of change, it is important to regularly consider repeating analysis in patients with an unexplained DSD, for example, when they transition into adult care or when they move from one centre to another. This also applies to patients in whom a clinical diagnosis has never been genetically confirmed. Confusion may arise when the diagnosis cannot be confirmed or when a mutation is identified in a different gene, for example, NR5A1 in someone with a clinical diagnosis of CAIS that has other consequences for relatives. Hence, new genetic counselling should always accompany new diagnostic endeavours.Class 3 variants and histopathological examinationsThe rapidly evolving diagnostic possibilities raise new questions. What do laboratories report?.

How should we deal with the frequent findings of mainly unique VUS or class 3 variants (ACMG recommendation) in the many different DSD-related genes in the diagnostic setting?. Reporting VUS can be a source of uncertainty for parents, but not reporting these variants precludes further investigations to determine their possible pathogenicity. It can also be difficult to prove variant pathogenicity, both on gene-level and variant-level.39 Moreover, given the gonad-specific expression of some genes and the variable phenotypic spectrum and reduced penetrance, segregation analysis is not always informative. A class 3 variant that does not fit the clinical presentation may be unrelated to the observed phenotype, but it could also represent a newly emerging phenotype. This was recently demonstrated by the identification of the NR5A1 mutation, R92W, in individuals with 46,XX testicular and ovotesticular DSD.40 This gene had previously been associated with 46,XY DSD.

In diagnostic laboratories, there is usually no capacity or expertise to conduct large-scale functional studies to determine pathogenicity of these unique class 3 VUS in the different genes involved in DSD. Functional validation of variants identified in novel genes may be more attractive in a research context. However, for individual families with VUS in well-established DSD genes such as AR or HSD17B3, functional analysis may provide a confirmed diagnosis that implies for relatives the option of undergoing their own DNA analysis and estimating the genetic risk of their own future offspring. This makes genetic follow-up important in these cases and demonstrates the usefulness of international databases and networks and the centralisation of functional studies of genetic variants in order to reduce costs and maximise expertise.The same is true for histopathological description, germ-cell tumour risk assessment in specific forms of DSD and classification of gonadal samples. Germ-cell tumour risk is related to the type of DSD (among other factors), but it is impossible to make risk estimates in individual cases.41–44 Gonadectomy may be indicated in cases with high-risk dysgenetic abdominal gonads that cannot be brought into a stable superficial (ie, inguinal, labioscrotal) position that allows clinical or radiological surveillance, or to avoid virilisation due to 5-alpha reductase deficiency in a 46,XY girl with a stable female gender identity.45 Pathological examination of DSD gonads requires specific expertise.

For example, the differentiation between benign germ cell abnormalities, such as delayed maturation and (pre)malignant development of germ cells, is crucial for clinical management but can be very troublesome.46 Centralised pathological examination of gonadal biopsy and gonadectomy samples in one centre, or a restricted number of centres, on a national scale can help to overcome the problem of non-uniform classification and has proven feasible in the Netherlands and Belgium. We therefore believe that uniform assessment and classification of gonadal differentiation patterns should also be addressed in guidelines on DSD management.International databases of gonadal tissues are crucial for learning more about the risk of malignancy in different forms of DSD, but they are only reliable if uniform criteria for histological classification are strictly applied.46 These criteria could be incorporated in many existing networks such as the I-DSD consortium, the Disorders of Sex Development Translational Research Network, the European Reference Network on Urogenital Diseases (eUROGEN), the EndoERN and COST actions.15–17 47Communication at the transition from paediatric to adult carePaediatric and adult teams need to collaborate closely to facilitate a well-organised transition from paediatric to adult specialist care.15 48–50 Both teams need to exchange information optimally and should consider transition as a longitudinal process rather than a fixed moment in time. Age-appropriate information is key at all ages, and an overview of topics to be discussed at each stage is described by Cools et al.15 Table 1 shows an example of how transition can be organised.View this table:Table 1 Example of transition table as used in the DSD clinic of the Erasmus Medical CenterPsychological support and the continued provision of information remains important for individuals with a DSD at all ages.15 22 In addition to the information given by the DSD team members, families and patients can benefit from resources such as support groups and information available on the internet.47 Information available online should be checked for accuracy and completeness when referring patients and parents to internet sites.Recommendations for future actionsMost guidelines and articles on the diagnosis and management of DSD are aimed at specialists and are only published in specialist journals or on websites for endocrinologists, urologists or geneticists. Yet there is a need for guidelines directed towards first-line and second-line healthcare workers that summarise the recommendations about the first crucial steps in the management of DSD. These should be published in widely available general medical journals and online, along with a national list of DSD centres.

Furthermore, DSD (expert) centres should provide continuous education to all those who may be involved in the identification of individuals with a DSD in order to enable these healthcare professionals to recognise atypical genitalia, to promptly refer individuals who have a DSD and to inform the patient and parents about this and subsequent diagnostic procedures.As DSD continues to be a rare condition, it will take time to evaluate the effects of having such a guideline on the preparedness of first-line and second-line healthcare workers to recognise DSD conditions. One way to evaluate this might be the development and use of questionnaires asking patients, carers and families and referring physicians how satisfied they were with the initial medical consultation and referral and what could be improved. A helpful addition to existing international databases that collect information on genetic variations would be a list of centres that offer suitable functional studies for certain genes, ideally covering the most frequently mutated genes (at minimum).Patient organisations can also play an important role in informing patients about newly available diagnostic or therapeutic strategies and options, and their influence and specific role has now been recognised and discussed in several publications.17 47 However, it should be kept in mind that these organisations do not represent all patients, as a substantial number of patients and parents are not member of such an organisation.Professionals have to provide optimal medical care based on well-established evidence, or at least on broad consensus. Yet not everything can be regulated by recommendations and guidelines. Options, ideas and wishes should be openly discussed between professionals, patients and families within their confidential relationship.

This will enable highly individualised holistic care tailored to the patient’s needs and expectations. Once they are well-informed of all available options, parents and/or patients can choose what they consider the optimal care for their children or themselves.15 16ConclusionThe Dutch-Flemish guideline uniquely addresses some topics that are under-represented in the literature, thus adding some key aspects to those addressed in recent consensus papers and guidelines.15–17 33 47As more children with a DSD are now being identified prenatally, and the literature on prenatal diagnosis of DSD remains scarce,20 21 we propose a prenatal diagnostic algorithm and emphasise the importance of having a prenatal specialist involved in or collaborating with DSD (expert) centres.We also stress that good communication between all involved parties is essential. Professionals should be well informed about protocols and communication. Collaboration between centres is necessary to optimise aspects of care such as uniform interpretation of gonadal pathology and functional testing of class 3 variants found by genetic testing. Guidelines can provide a framework within which individualised patient care should be discussed with all stakeholders.AcknowledgmentsThe authors would like to thank the colleagues of the DSD teams for their input in and critical reading of the Dutch-Flemish guideline.

Amsterdam University Center (AMC and VU), Maastricht University Medical Center, Erasmus Medical Center Rotterdam, Radboud University Medical Center Nijmegen, University Medical Center Groningen, University Medical Center Utrecht, Ghent University Hospital. The authors would like to thank Kate McIntyre for editing the revised manuscript and Tom de Vries Lentsch for providing the figures as a PDF. Three of the authors of this publication are members of the European Reference Network for rare endocrine diseases—Project ID 739543..

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The fee as of April 1, 2021 is what does cialis do to women $9,756 Register of helpful resources Certificates of Supplementary Protection and Applications Guidance Document. Certificate of Supplementary Protection Regulations - summary Notice. Publication of update to the what does cialis do to women Guidance Document.

Certificate of Supplementary Protection Regulations CSP Application Form (effective January 6, 2021) CSP Application Form (effective April 1, 2020 to January 5, 2021) CSP Application Form (effective May 15, 2019 to March 31, 2020) CSP Application Form (effective September 22, 2018 to May 14, 2019) CSP Application Form (from September 21, 2017 to September 21, 2018) Advance Payment Details for Master Files for Human and Disinfectant Drugs, and Certificate of Supplementary Protection Applications How to Pay Fees to Health Products and Food Branch (HPFB) Background Register of Certificates of Supplementary Protection and Applications Certificates of Supplementary Protection and Applications - Human Use Certificate of Supplementary Protection (CSP) and/or Application Number Medicinal Ingredient(s) New Drug Submission (NDS) Number Patent Number Patent Expiry Dateyyyy-mm-dd Application Status CSP Term Beginsyyyy-mm-dd CSP Term Endsyyyy-mm-dd 900039 abemaciclib 215268 2747055 2029-12-15 Issued 2029-12-16 2031-12-15 900045 acalabrutinib 214504 2841886 2032-07-11 Issued 2032-07-12 2034-07-11 900056 alpelisib 226941 2734819 2029-09-08 Issued 2029-09-09 2031-09-08 900035 antihemophilic factor (recombinant, B-domain deleted, pegylated) (also known as damoctocog alfa pegol) 210935 2586379 2025-11-14 Issued 2025-11-15 2027-11-14 900027 apalutamide 211942 2875767 2033-06-04 Issued 2033-06-05 2033-07-04 900026 baricitinib 193687 2718271 2029-03-10 Issued 2029-03-11 2031-03-10 900012 benralizumab 204008 2685222 2028-05-14 Issued 2028-05-15 2030-05-14 900028 bictegravir sodium / emtricitabine / tenofovir alafenamide hemifumarate 203718 2416757 2021-07-20 Refused 900020 brigatinib 210369 2723961 2029-05-21 Issued 2029-05-22 2031-05-21 900015 brodalumab 195317 2663537 2027-10-01 Issued 2027-10-02 2029-10-01 900060 brolucizumab 226224 2727839 2029-06-25 Issued 2029-06-26 2031-06-25 900057 cabotegravir (cabotegravir sodium) 227315 2606282 2026-04-28 Issued 2026-04-29 2028-04-28 900063 cedazuridine / decitabine 234610 2702274 2028-10-16 Issued 2028-10-17 2030-10-16 900022 cenegermin 218145 2346257 2019-10-11 Refused 900011 coagulation factor IX (recombinant), pegylated 201114 2462930 2022-10-09 Refused 900052 coagulation factor IX (recombinant), pegylated 201114 2665480 2027-10-04 Refused 900019 crisaborole 206906 2597982 2026-02-16 Issued 2026-02-17 2028-02-16 900041 dacomitinib 214572 2565812 2025-04-25 Issued 2025-04-26 2027-04-25 900058 darolutamide 226146 2777896 2030-10-27 Issued 2030-10-28 2032-10-27 900017 darunavir ethanolate / cobicistat / emtricitabine / tenofovir alafenamide hemifumarate 199705 2678907 2028-02-22 Issued 2028-02-23 2030-02-22 900051 dolutegravir (dolutegravir sodium) / lamivudine 220275 3003988 2031-01-24 Issued 2031-01-25 2033-01-24 900021 dolutegravir (dolutegravir sodium) / rilpivirine (rilpivirine hydrochloride) 206402 2606282 2026-04-28 Refused 900034 doravirine 211293 2794377 2031-03-28 Issued 2031-03-29 2033-03-28 900004 dupilumab 201285 2737044 2029-10-27 Issued 2029-10-28 2031-10-27 900010 durvalumab 202953 2778714 2030-11-24 Issued 2030-11-25 2032-11-04 900024 emicizumab 212635 2817964 2031-11-17 Issued 2031-11-18 2033-08-03 900053 entrectinib 227517 2693901 2028-07-08 Issued 2028-07-09 2030-07-08 900074 eptinezumab 233288 2836649 2032-05-21 Pending 900070 erdafitinib 224529 2796204 2031-04-28 Issued 2031-04-29 2033-04-28 900025 erenumab 208607 2746858 2029-12-18 Issued 2029-12-19 2031-12-18 900018 ertugliflozin 204724 2733795 2029-08-17 Issued 2029-08-18 2031-08-17 900076 estetrol monohydrate / drospirenone 236197 2448278 2022-05-23 Pending 900033 fluticasone furoate, umeclidinium (as bromide), vilanterol (as trifenatate) 204880 2781487 2030-11-29 Issued 2030-11-30 2032-11-29 900044 galcanezumab 219521 2802102 2031-06-07 Issued 2031-06-08 2033-06-07 900055 gilteritinib fumarate 227918 2760061 2030-05-06 Issued 2030-05-07 2032-05-06 900062 glasdegib 225793 2690953 2028-06-16 Issued 2028-06-17 2030-06-16 900001 glecaprevir / pibrentasvir 202233 2807847 2031-10-12 Refused 900014 glycopyrronium (as bromide) / formoterol fumarate dihydrate 201306 2763936 2030-05-28 Refused 900003 guselkumab 200590 2635692 2026-12-28 Issued 2026-12-29 2028-12-28 900032 inotersen (inotersen sodium) 214274 2797792 2031-04-29 Issued 2031-04-30 2033-04-29 900023 insulin glargine / lixisenatide 207006 2740685 2029-10-09 Issued 2029-10-10 2031-10-09 900029 lanadelumab 213920 2786019 2031-01-06 Issued 2031-01-07 2033-01-06 900043 larotrectinib (larotrectinib sulfate) 219998 2741313 2029-10-21 Issued 2029-10-22 2031-10-21 900066 lefamulin (supplied as lefamulin acetate) 233292 2678795 2028-03-19 Issued 2028-03-20 2030-03-19 900069 lemborexant 231286 2811895 2031-09-20 Issued 2031-09-21 2033-09-20 900007 letermovir 204165 2524069 2024-04-17 Issued 2024-04-18 2026-04-17 900009 lifitegrast 199810 2609053 2026-05-17 Issued 2026-05-18 2028-05-17 900040 lorlatinib 215733 2863892 2033-02-20 Issued 2033-02-21 2034-02-23 900071 luspatercept 236441 2733911 2029-08-13 Issued 2029-08-14 2031-08-13 900002 neisseria meningitidis grp B recombinant lipoprotein 2086 subfamily A / neisseria meningitidis grp B recombinant lipoprotein 2086 subfamily B 195550 2463476 2022-10-11 Issued 2022-10-12 2024-10-11 900008 olaratumab 203478 2680945 2026-06-19 Issued 2026-06-20 2028-06-19 900072 ozanimod (ozanimod hydrochloride) 232761 2723904 2029-05-14 Issued 2029-05-15 2031-05-14 900073 ozanimod (ozanimod hydrochloride) 232761 2780772 2030-11-15 Withdrawn 900067 polatuzumab vedotin 232303 2693255 2028-07-15 Issued 2028-07-16 2030-07-15 900050 prasterone 198822 2696127 2028-08-08 Withdrawn 900068 remdesivir 240551 2804840 2031-07-22 Issued 2031-07-23 2033-07-22 900016 ribociclib (ribociclib succinate) 203884 2734802 2029-08-20 Issued 2029-08-21 2031-08-20 900065 ripretinib 234688 2875970 2032-06-07 Issued 2032-06-08 2034-06-07 900042 risankizumab 215753 2816950 2031-11-02 Issued 2031-11-03 2033-11-02 900031 rivaroxaban 211611 2451258 2022-06-07 Pending 900046 romosozumab 197713 2607197 2026-04-28 Issued 2026-04-29 2028-04-28 900061 satralizumab 233642 2699834 2029-09-25 Issued 2029-09-26 2031-09-25 900005 semaglutide 202059 2601784 2026-03-20 Issued 2026-03-21 2028-03-20 900054 siponimod 223225 2747437 2029-12-16 Withdrawn 900059 siponimod 223225 2747992 2029-12-21 Issued 2029-12-22 2031-12-21 900038 suvorexant 160233 2670892 2027-11-30 Refused 900048 talazoparib (talazoparib tosylate) 220584 2732797 2029-07-27 Issued 2029-07-28 2031-07-27 900036 tezacaftor / Ivacaftor 211292 2742821 2028-11-12 Issued 2028-11-13 2030-11-12 900030 tisagenlecleucel 213547 2820681 2031-12-09 Issued 2031-12-10 2033-12-09 900064 tucatinib 235295 2632194 2026-11-15 Issued 2026-11-16 2028-11-15 900049 upadacitinib 223734 2781891 2030-12-01 Issued 2030-12-02 2032-12-01 900006 varicella-zoster cialis glycoprotein E (gE) 200244 2600905 2026-03-01 Refused 900075 zanubrutinib 242748 2902686 2034-04-22 Pending Certificates of Supplementary Protection and Applications - Veterinary Use Certificate of Supplementary Protection (CSP) and/orApplication Number Medicinal Ingredient(s) New Drug Submission (NDS) Number Patent Number Patent Expiry Dateyyyy-mm-dd Application Status CSP Term Beginsyyyy-mm-dd CSP Term Endsyyyy-mm-dd 900013 lotilaner 193712 2747354 2029-12-17 Issued 2029-12-18 2031-12-17 900047 sarolaner/moxidectin/pyrantel (as pyrantel pamoate) 210868 2882200 2033-09-04 Issued 2033-09-05 2034-09-27 900037 sarolaner / selamectin 190913 2828397 2032-02-23 Issued 2032-02-24 2033-11-07 BackgroundThe Register of Certificates of Supplementary Protection (CSP) and Applications is maintained pursuant to the Certificate of Supplementary Protection Regulations and the Patent Act. 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Certificate of Supplementary Protection Regulations CSP Application Form (effective January 6, 2021) CSP Application Form (effective April 1, 2020 to January 5, 2021) CSP Application Form (effective May 15, 2019 to March 31, 2020) CSP Application Form (effective September 22, 2018 to May 14, 2019) CSP Application Form (from September 21, 2017 to September 21, 2018) Advance Payment Details for Master Files for Human and Disinfectant Drugs, and Certificate of Supplementary Protection Applications How to Pay Fees to Health Products and Food Branch (HPFB) Background Register of Certificates of Supplementary Protection and Applications Certificates of Supplementary Protection and Applications - Human Use Certificate of Supplementary Protection (CSP) and/or Application Number Medicinal Ingredient(s) New Drug Submission (NDS) Number Patent Number Patent Expiry Dateyyyy-mm-dd Application Status CSP Term Beginsyyyy-mm-dd CSP Term Endsyyyy-mm-dd 900039 abemaciclib 215268 2747055 2029-12-15 Issued 2029-12-16 2031-12-15 900045 acalabrutinib 214504 2841886 2032-07-11 Issued 2032-07-12 2034-07-11 900056 alpelisib 226941 2734819 2029-09-08 Issued 2029-09-09 2031-09-08 900035 antihemophilic factor (recombinant, B-domain deleted, pegylated) (also known as damoctocog alfa pegol) 210935 2586379 2025-11-14 Issued 2025-11-15 2027-11-14 900027 apalutamide 211942 2875767 2033-06-04 Issued 2033-06-05 2033-07-04 900026 baricitinib 193687 2718271 2029-03-10 Issued 2029-03-11 2031-03-10 900012 benralizumab 204008 2685222 2028-05-14 Issued 2028-05-15 2030-05-14 900028 bictegravir sodium / emtricitabine / tenofovir alafenamide hemifumarate 203718 2416757 2021-07-20 Refused 900020 brigatinib 210369 2723961 2029-05-21 Issued 2029-05-22 2031-05-21 900015 brodalumab 195317 2663537 2027-10-01 Issued 2027-10-02 2029-10-01 900060 brolucizumab 226224 2727839 2029-06-25 Issued 2029-06-26 2031-06-25 900057 cabotegravir (cabotegravir sodium) 227315 2606282 2026-04-28 Issued 2026-04-29 2028-04-28 900063 cedazuridine / decitabine 234610 2702274 2028-10-16 Issued 2028-10-17 2030-10-16 900022 cenegermin 218145 2346257 2019-10-11 Refused 900011 coagulation factor IX (recombinant), pegylated 201114 2462930 2022-10-09 Refused 900052 coagulation factor IX (recombinant), pegylated 201114 2665480 2027-10-04 Refused 900019 crisaborole 206906 2597982 2026-02-16 Issued 2026-02-17 2028-02-16 900041 dacomitinib 214572 2565812 2025-04-25 Issued 2025-04-26 2027-04-25 900058 darolutamide 226146 2777896 2030-10-27 Issued 2030-10-28 2032-10-27 900017 darunavir ethanolate / cobicistat / emtricitabine / tenofovir alafenamide hemifumarate 199705 2678907 2028-02-22 Issued 2028-02-23 2030-02-22 900051 dolutegravir (dolutegravir sodium) / lamivudine 220275 3003988 2031-01-24 Issued 2031-01-25 2033-01-24 900021 dolutegravir (dolutegravir sodium) / rilpivirine (rilpivirine hydrochloride) 206402 2606282 2026-04-28 Refused 900034 doravirine 211293 2794377 2031-03-28 Issued 2031-03-29 2033-03-28 900004 dupilumab 201285 2737044 2029-10-27 Issued 2029-10-28 2031-10-27 900010 durvalumab 202953 2778714 2030-11-24 Issued 2030-11-25 2032-11-04 900024 emicizumab 212635 2817964 2031-11-17 Issued 2031-11-18 2033-08-03 900053 entrectinib 227517 2693901 2028-07-08 Issued 2028-07-09 2030-07-08 900074 eptinezumab 233288 2836649 2032-05-21 Pending 900070 erdafitinib 224529 2796204 2031-04-28 Issued 2031-04-29 2033-04-28 900025 erenumab 208607 2746858 2029-12-18 Issued 2029-12-19 2031-12-18 900018 ertugliflozin 204724 2733795 2029-08-17 Issued 2029-08-18 2031-08-17 900076 estetrol monohydrate / drospirenone 236197 2448278 2022-05-23 Pending 900033 fluticasone furoate, umeclidinium (as bromide), vilanterol (as trifenatate) 204880 2781487 2030-11-29 Issued 2030-11-30 2032-11-29 900044 galcanezumab 219521 2802102 2031-06-07 Issued 2031-06-08 2033-06-07 900055 gilteritinib fumarate 227918 2760061 2030-05-06 Issued 2030-05-07 2032-05-06 900062 glasdegib 225793 2690953 2028-06-16 Issued 2028-06-17 2030-06-16 900001 glecaprevir / pibrentasvir 202233 2807847 2031-10-12 Refused 900014 glycopyrronium (as bromide) / formoterol fumarate dihydrate 201306 2763936 2030-05-28 Refused 900003 guselkumab 200590 2635692 2026-12-28 Issued 2026-12-29 2028-12-28 900032 inotersen (inotersen sodium) 214274 2797792 2031-04-29 Issued 2031-04-30 2033-04-29 900023 insulin glargine / lixisenatide 207006 2740685 2029-10-09 Issued 2029-10-10 2031-10-09 900029 lanadelumab 213920 2786019 2031-01-06 Issued 2031-01-07 2033-01-06 900043 larotrectinib (larotrectinib sulfate) 219998 2741313 2029-10-21 Issued 2029-10-22 2031-10-21 900066 lefamulin (supplied as lefamulin acetate) 233292 2678795 2028-03-19 Issued 2028-03-20 2030-03-19 900069 lemborexant 231286 2811895 2031-09-20 Issued 2031-09-21 2033-09-20 900007 letermovir 204165 2524069 2024-04-17 Issued 2024-04-18 2026-04-17 900009 lifitegrast 199810 2609053 2026-05-17 Issued 2026-05-18 2028-05-17 900040 lorlatinib 215733 2863892 2033-02-20 Issued 2033-02-21 2034-02-23 900071 luspatercept 236441 2733911 2029-08-13 Issued 2029-08-14 2031-08-13 900002 neisseria meningitidis grp B recombinant lipoprotein 2086 subfamily A / neisseria meningitidis grp B recombinant lipoprotein 2086 subfamily B 195550 2463476 2022-10-11 Issued 2022-10-12 2024-10-11 900008 olaratumab 203478 2680945 2026-06-19 Issued 2026-06-20 2028-06-19 900072 ozanimod (ozanimod hydrochloride) 232761 2723904 2029-05-14 Issued 2029-05-15 2031-05-14 900073 ozanimod (ozanimod hydrochloride) 232761 2780772 2030-11-15 Withdrawn 900067 polatuzumab vedotin 232303 2693255 2028-07-15 Issued 2028-07-16 2030-07-15 900050 prasterone 198822 2696127 2028-08-08 Withdrawn 900068 remdesivir 240551 2804840 2031-07-22 Issued 2031-07-23 2033-07-22 900016 ribociclib (ribociclib succinate) 203884 2734802 2029-08-20 Issued 2029-08-21 2031-08-20 900065 ripretinib 234688 2875970 2032-06-07 Issued 2032-06-08 2034-06-07 900042 risankizumab 215753 2816950 2031-11-02 Issued 2031-11-03 2033-11-02 900031 rivaroxaban 211611 2451258 2022-06-07 Pending 900046 romosozumab 197713 2607197 2026-04-28 Issued 2026-04-29 2028-04-28 900061 satralizumab 233642 2699834 2029-09-25 Issued 2029-09-26 2031-09-25 900005 semaglutide 202059 2601784 2026-03-20 Issued 2026-03-21 2028-03-20 900054 siponimod 223225 2747437 2029-12-16 Withdrawn 900059 siponimod 223225 2747992 2029-12-21 Issued 2029-12-22 2031-12-21 900038 suvorexant 160233 2670892 2027-11-30 Refused 900048 talazoparib (talazoparib tosylate) 220584 2732797 2029-07-27 Issued 2029-07-28 2031-07-27 900036 tezacaftor / Ivacaftor 211292 2742821 2028-11-12 Issued 2028-11-13 2030-11-12 900030 tisagenlecleucel 213547 2820681 2031-12-09 Issued 2031-12-10 2033-12-09 900064 tucatinib 235295 2632194 2026-11-15 Issued 2026-11-16 2028-11-15 900049 upadacitinib 223734 2781891 2030-12-01 Issued 2030-12-02 2032-12-01 900006 varicella-zoster cialis glycoprotein E (gE) 200244 2600905 2026-03-01 Refused 900075 zanubrutinib 242748 2902686 2034-04-22 Pending Certificates of Supplementary Protection and Applications - Veterinary Use Certificate of Supplementary Protection (CSP) and/orApplication Number Medicinal Ingredient(s) New Drug Submission (NDS) Number Patent Number Patent Expiry Dateyyyy-mm-dd Application Status CSP Term Beginsyyyy-mm-dd CSP Term Endsyyyy-mm-dd 900013 lotilaner 193712 2747354 2029-12-17 Issued 2029-12-18 2031-12-17 900047 sarolaner/moxidectin/pyrantel (as pyrantel pamoate) 210868 2882200 2033-09-04 Issued 2033-09-05 2034-09-27 900037 sarolaner / selamectin 190913 2828397 2032-02-23 Issued 2032-02-24 2033-11-07 BackgroundThe Register of Certificates of Supplementary Protection (CSP) and Applications is maintained pursuant to the Certificate of Supplementary Protection Regulations and the Patent Act. The register includes information from CSPs and CSP applications discount coupon cialis. Under the subsection 115(1) of the Patent Act, the issuance of a CSP grants the certificate's holder and their legal representatives the same legal rights, privileges and liberties that are granted by the patent set out in the certificate, but only with respect to the making, constructing, using and selling of any drug that contains the medicinal ingredient, or combination of medicinal ingredients.The format of the register is an electronic table.

The register lists, in alphabetical order, the medicinal ingredient(s) in the CSPs and CSP applications.Information regarding the patent set out in the CSP or CSP application is available at the Canadian Intellectual Property Office.For comments or questions, or to obtain a copy of a CSP or CSP application details, please contact the Office of Patented Medicines and Liaison by email at hc.opml-bmbl.sc@canada.ca or by telephone at 613-941-7281..

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Credit more tips here viagra cialis premature ejaculation. IStock Share Fast Facts New @HopkinsMedicine study finds African-American women with common form of hair loss at increased risk of uterine fibroids - Click to Tweet New study in @JAMADerm shows most common form of alopecia (hair loss) in African-American women associated with higher risks of uterine fibroids - Click to Tweet In a study of medical records gathered on hundreds of thousands of African-American women, Johns Hopkins researchers say they have evidence that women with a common form of hair loss have an increased chance of developing uterine leiomyomas, or fibroids.In a report on the research, published in the December 27 issue of JAMA Dermatology, the researchers call on physicians who treat women with central centrifugal cicatricial alopecia (CCCA) to make patients aware that they may be at increased risk for fibroids and should be screened for the condition, particularly if they have symptoms such as heavy bleeding and pain. CCCA predominantly affects black women and is the most viagra cialis premature ejaculation common form of permanent alopecia in this population. The excess scar tissue that forms as a result of this type of hair loss may also explain the higher risk for uterine fibroids, which are characterized by fibrous growths in the lining of the womb.

Crystal Aguh, M.D., assistant professor of dermatology at the Johns Hopkins University School of Medicine, says the scarring associated with CCCA is similar to the scarring viagra cialis premature ejaculation associated with excess fibrous tissue elsewhere in the body, a situation that may explain why women with this type of hair loss are at a higher risk for fibroids.People of African descent, she notes, are more prone to develop other disorders of abnormal scarring, termed fibroproliferative disorders, such as keloids (a type of raised scar after trauma), scleroderma (an autoimmune disorder marked by thickening of the skin as well as internal organs), some types of lupus and clogged arteries. During a four-year period from 2013-2017, the researchers analyzed patient data from the Johns Hopkins electronic medical record system (Epic) of 487,104 black women ages 18 and over. The prevalence viagra cialis premature ejaculation of those with fibroids was compared in patients with and without CCCA. Overall, the researchers found that 13.9 percent of women with CCCA also had a history of uterine fibroids compared to only 3.3 percent of black women without the condition.

In absolute numbers, out of the 486,000 women who were reviewed, 16,212 had fibroids.Within that population, 447 had CCCA, of which 62 had fibroids. The findings translate to a fivefold increased risk of uterine fibroids in women with CCCA, compared viagra cialis premature ejaculation to age, sex and race matched controls. Aguh cautions that their study does not suggest any cause and effect relationship, or prove a common cause for both conditions. €œThe cause of the link between the two viagra cialis premature ejaculation conditions remains unclear,” she says.

However, the association was strong enough, she adds, to recommend that physicians and patients be made aware of it. Women with this type of scarring alopecia should be screened not only for fibroids, but also for other disorders associated with viagra cialis premature ejaculation excess fibrous tissue, Aguh says. An estimated 70 percent of white women and between 80 and 90 percent of African-American women will develop fibroids by age 50, according to the NIH, and while CCCA is likely underdiagnosed, some estimates report a prevalence of rates as high as 17 percent of black women having this condition. The other authors on this paper were Ginette viagra cialis premature ejaculation A.

Okoye, M.D. Of Johns Hopkins and Yemisi Dina of Meharry Medical College.Credit. The New England Journal of Medicine Share Fast Facts This study clears up how big an viagra cialis premature ejaculation effect the mutational burden has on outcomes to immune checkpoint inhibitors across many different cancer types. - Click to Tweet The number of mutations in a tumor’s DNA is a good predictor of whether it will respond to a class of cancer immunotherapy drugs known as checkpoint inhibitors.

- Click to Tweet The “mutational burden,” or the number of mutations present in a tumor’s DNA, is viagra cialis premature ejaculation a good predictor of whether that cancer type will respond to a class of cancer immunotherapy drugs known as checkpoint inhibitors, a new study led by Johns Hopkins Kimmel Cancer Center researchers shows. The finding, published in the Dec. 21 New England Journal of Medicine, could be used to guide future clinical trials for these viagra cialis premature ejaculation drugs. Checkpoint inhibitors are a relatively new class of drug that helps the immune system recognize cancer by interfering with mechanisms cancer cells use to hide from immune cells.

As a result, the drugs cause the immune system to fight cancer in the same way that it would fight an . These medicines have had remarkable success in treating some viagra cialis premature ejaculation types of cancers that historically have had poor prognoses, such as advanced melanoma and lung cancer. However, these therapies have had little effect on other deadly cancer types, such as pancreatic cancer and glioblastoma. The mutational viagra cialis premature ejaculation burden of certain tumor types has previously been proposed as an explanation for why certain cancers respond better than others to immune checkpoint inhibitors says study leader Mark Yarchoan, M.D., chief medical oncology fellow.

Work by Dung Le, M.D., associate professor of oncology, and other researchers at the Johns Hopkins Kimmel Cancer Center and its Bloomberg~Kimmel Cancer Institute for Cancer Immunotherapy showed that colon cancers that carry a high number of mutations are more likely to respond to checkpoint inhibitors than those that have fewer mutations. However, exactly how big an effect the mutational burden viagra cialis premature ejaculation has on outcomes to immune checkpoint inhibitors across many different cancer types was unclear. To investigate this question, Yarchoan and colleagues Alexander Hopkins, Ph.D., research fellow, and Elizabeth Jaffee, M.D., co-director of the Skip Viragh Center for Pancreas Cancer Clinical Research and Patient Care and associate director of the Bloomberg~Kimmel Institute, combed the medical literature for the results of clinical trials using checkpoint inhibitors on various different types of cancer. They combined these findings with data on the mutational viagra cialis premature ejaculation burden of thousands of tumor samples from patients with different tumor types.

Analyzing 27 different cancer types for which both pieces of information were available, the researchers found a strong correlation. The higher a cancer type’s mutational burden tends to be, the more likely it is to respond to checkpoint inhibitors. More than half viagra cialis premature ejaculation of the differences in how well cancers responded to immune checkpoint inhibitors could be explained by the mutational burden of that cancer. €œThe idea that a tumor type with more mutations might be easier to treat than one with fewer sounds a little counterintuitive.

It’s one of viagra cialis premature ejaculation those things that doesn’t sound right when you hear it,” says Hopkins. €œBut with immunotherapy, the more mutations you have, the more chances the immune system has to recognize the tumor.” Although this finding held true for the vast majority of cancer types they studied, there were some outliers in their analysis, says Yarchoan. For example, Merkel cell cancer, a rare and highly aggressive skin cancer, tends to have a moderate viagra cialis premature ejaculation number of mutations yet responds extremely well to checkpoint inhibitors. However, he explains, this cancer type is often caused by a cialis, which seems to encourage a strong immune response despite the cancer’s lower mutational burden.

In contrast, the most common type of colorectal cancer has moderate mutational burden, yet responds poorly to checkpoint inhibitors for reasons that are still unclear. Yarchoan notes viagra cialis premature ejaculation that these findings could help guide clinical trials to test checkpoint inhibitors on cancer types for which these drugs haven’t yet been tried. Future studies might also focus on finding ways to prompt cancers with low mutational burdens to behave like those with higher mutational burdens so that they will respond better to these therapies. He and his colleagues plan to extend this line of research viagra cialis premature ejaculation by investigating whether mutational burden might be a good predictor of whether cancers in individual patients might respond well to this class of immunotherapy drugs.

€œThe end goal is precision medicine—moving beyond what’s true for big groups of patients to see whether we can use this information to help any given patient,” he says. Yarchoan receives funding from the Norman &. Ruth Rales Foundation and the Conquer Cancer Foundation. Through a licensing agreement with Aduro Biotech, Jaffee has the potential to receive royalties in the future..

Credit. IStock Share Fast Facts New @HopkinsMedicine study finds African-American women with common form of hair loss at increased risk of uterine fibroids - Click to Tweet New study in @JAMADerm shows most common form of alopecia (hair loss) in African-American women associated with higher risks of uterine fibroids - Click to Tweet In a study of medical records gathered on hundreds of thousands of African-American women, Johns Hopkins researchers say they have evidence that women with a common form of hair loss have an increased chance of developing uterine leiomyomas, or fibroids.In a report on the research, published in the December 27 issue of JAMA Dermatology, the researchers call on physicians who treat women with central centrifugal cicatricial alopecia (CCCA) to make patients aware that they may be at increased risk for fibroids and should be screened for the condition, particularly if they have symptoms such as heavy bleeding and pain. CCCA predominantly affects black women and is the most common form of permanent alopecia in this population. The excess scar tissue that forms as a result of this type of hair loss may also explain the higher risk for uterine fibroids, which are characterized by fibrous growths in the lining of the womb.

Crystal Aguh, M.D., assistant professor of dermatology at the Johns Hopkins University School of Medicine, says the scarring associated with CCCA is similar to the scarring associated with excess fibrous tissue elsewhere in the body, a situation that may explain why women with this type of hair loss are at a higher risk for fibroids.People of African descent, she notes, are more prone to develop other disorders of abnormal scarring, termed fibroproliferative disorders, such as keloids (a type of raised scar after trauma), scleroderma (an autoimmune disorder marked by thickening of the skin as well as internal organs), some types of lupus and clogged arteries. During a four-year period from 2013-2017, the researchers analyzed patient data from the Johns Hopkins electronic medical record system (Epic) of 487,104 black women ages 18 and over. The prevalence of those with fibroids was compared in patients with and without CCCA. Overall, the researchers found that 13.9 percent of women with CCCA also had a history of uterine fibroids compared to only 3.3 percent of black women without the condition.

In absolute numbers, out of the 486,000 women who were reviewed, 16,212 had fibroids.Within that population, 447 had CCCA, of which 62 had fibroids. The findings translate to a fivefold increased risk of uterine fibroids in women with CCCA, compared to age, sex and race matched controls. Aguh cautions that their study does not suggest any cause and effect relationship, or prove a common cause for both conditions. €œThe cause of the link between the two conditions remains unclear,” she says.

However, the association was strong enough, she adds, to recommend that physicians and patients be made aware of it. Women with this type of scarring alopecia should be screened not only for fibroids, but also for other disorders associated with excess fibrous tissue, Aguh says. An estimated 70 percent of white women and between 80 and 90 percent of African-American women will develop fibroids by age 50, according to the NIH, and while CCCA is likely underdiagnosed, some estimates report a prevalence of rates as high as 17 percent of black women having this condition. The other authors on this paper were Ginette A.

Okoye, M.D. Of Johns Hopkins and Yemisi Dina of Meharry Medical College.Credit. The New England Journal of Medicine Share Fast Facts This study clears up how big an effect the mutational burden has on outcomes to immune checkpoint inhibitors across many different cancer types. - Click to Tweet The number of mutations in a tumor’s DNA is a good predictor of whether it will respond to a class of cancer immunotherapy drugs known as checkpoint inhibitors.

- Click to Tweet The “mutational burden,” or the number of mutations present in a tumor’s DNA, is a good predictor of whether that cancer type will respond to a class of cancer immunotherapy drugs known as checkpoint inhibitors, a new study led by Johns Hopkins Kimmel Cancer Center researchers shows. The finding, published in the Dec. 21 New England Journal of Medicine, could be used to guide future clinical trials for these drugs. Checkpoint inhibitors are a relatively new class of drug that helps the immune system recognize cancer by interfering with mechanisms cancer cells use to hide from immune cells.

As a result, the drugs cause the immune system to fight cancer in the same way that it would fight an . These medicines have had remarkable success in treating some types of cancers that historically have had poor prognoses, such as advanced melanoma and lung cancer. However, these therapies have had little effect on other deadly cancer types, such as pancreatic cancer and glioblastoma. The mutational burden of certain tumor types has previously been proposed as an explanation for why certain cancers respond better than others to immune checkpoint inhibitors says study leader Mark Yarchoan, M.D., chief medical oncology fellow.

Work by Dung Le, M.D., associate professor of oncology, and other researchers at the Johns Hopkins Kimmel Cancer Center and its Bloomberg~Kimmel Cancer Institute for Cancer Immunotherapy showed that colon cancers that carry a high number of mutations are more likely to respond to checkpoint inhibitors than those that have fewer mutations. However, exactly how big an effect the mutational burden has on outcomes to immune checkpoint inhibitors across many different cancer types was unclear. To investigate this question, Yarchoan and colleagues Alexander Hopkins, Ph.D., research fellow, and Elizabeth Jaffee, M.D., co-director of the Skip Viragh Center for Pancreas Cancer Clinical Research and Patient Care and associate director of the Bloomberg~Kimmel Institute, combed the medical literature for the results of clinical trials using checkpoint inhibitors on various different types of cancer. They combined these findings with data on the mutational burden of thousands of tumor samples from patients with different tumor types.

Analyzing 27 different cancer types for which both pieces of information were available, the researchers found a strong correlation. The higher a cancer type’s mutational burden tends to be, the more likely it is to respond to checkpoint inhibitors. More than half of the differences in how well cancers responded to immune checkpoint inhibitors could be explained by the mutational burden of that cancer. €œThe idea that a tumor type with more mutations might be easier to treat than one with fewer sounds a little counterintuitive.

It’s one of those things that doesn’t sound right when you hear it,” says Hopkins. €œBut with immunotherapy, the more mutations you have, the more chances the immune system has to recognize the tumor.” Although this finding held true for the vast majority of cancer types they studied, there were some outliers in their analysis, says Yarchoan. For example, Merkel cell cancer, a rare and highly aggressive skin cancer, tends to have a moderate number of mutations yet responds extremely well to checkpoint inhibitors. However, he explains, this cancer type is often caused by a cialis, which seems to encourage a strong immune response despite the cancer’s lower mutational burden.

In contrast, the most common type of colorectal cancer has moderate mutational burden, yet responds poorly to checkpoint inhibitors for reasons that are still unclear. Yarchoan notes that these findings could help guide clinical trials to test checkpoint inhibitors on cancer types for which these drugs haven’t yet been tried. Future studies might also focus on finding ways to prompt cancers with low mutational burdens to behave like those with higher mutational burdens so that they will respond better to these therapies. He and his colleagues plan to extend this line of research by investigating whether mutational burden might be a good predictor of whether cancers in individual patients might respond well to this class of immunotherapy drugs.

€œThe end goal is precision medicine—moving beyond what’s true for big groups of patients to see whether we can use this information to help any given patient,” he says. Yarchoan receives funding from the Norman &. Ruth Rales Foundation and the Conquer Cancer Foundation. Through a licensing agreement with Aduro Biotech, Jaffee has the potential to receive royalties in the future..