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The following is an excerpt from a FDA MedWatch Safety Alert. Read the full safety announcement here.
FDA has received reports that the use of Mavyret, Zepatier, or Vosevi to treat chronic Hepatitis C in patients with moderate to severe liver impairment has resulted in rare cases of worsening liver function or liver failure.
FDA identified 63 cases of worsening liver function called liver decompensation with regimens Mavyret, Zepatier, and Vosevi to treat Hepatitis C. Some of these cases led to liver failure and death. Most of these patients had moderate to severe liver impairment and should not have been prescribed these medicines.
Health professionals聽should continue to prescribe Mavyret, Zepatier, or Vosevi as indicated in the聽prescribing information聽for patients without liver impairment or with mild liver impairment.
Mavyret and Zepatier should not be prescribed in patients with any history of prior hepatic decompensation. Vosevi is indicated for patients who have previously failed certain other Hepatitis C Virus treatments and is not recommended in patients with any history of hepatic decompensation unless the benefits outweigh the risk of liver injury, liver failure or death.
Patients聽should be aware that the risk of serious liver injury is rare. However, patients should contact a health professional right away if they develop fatigue, weakness, loss of appetite, nausea and vomiting, yellow eyes or skin, or light-colored stools as these may be signs of liver injury.
Health professionals and patients are encouraged to report adverse events or side effects related to the use of these products to the FDA’s MedWatch Safety Information and Adverse Event Reporting Program:
  • Complete and submit the report online .
  • Download form or call 1-800-332-1088 to request a reporting form, then complete and return to the address on the form, or submit by fax to 1-800-FDA-0178.

 

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