U.S. Food and Drug Administration (FDA) Advisories
- March 24, 2015: Hepatitis C Treatments Containing Sofosbuvir in Combination With Another Direct Acting Antiviral Drug: FDA is warning that serious slowing of the heart rate can occur when the antiarrhythmic drug amiodarone is taken together with either hepatitis C drug Harvoni (ledipasvir/sofosbuvir) or Sovaldi (sofosbuvir). FDA is adding information about serious slowing of the heart rate, known as symptomatic bradycardia, to the Harvoni and Sovaldi labels. FDA is recommending that health care professionals do not prescribe either Harvoni or Sovaldi combined with another direct acting antiviral, such as the investigational drug daclatasvir or Olysio (simeprevir), with amiodarone.
- March 23, 2015: Zyprexa Relprevv (olanzapine pamoate): FDA has concluded a review of a study undertaken to determine the cause of elevated levels of the injectable schizophrenia drug Zyprexa Relprevv (olanzapine pamoate) in two patients who died. The study results were inconclusive. FDA is unable to exclude the possibility that the deaths were caused by rapid, but delayed, entry of the drug into the bloodstream following intramuscular injection. On the basis of all of the information reviewed (refer to the Drug Safety Communication for a full data summary), FDA is not recommending any changes to the current prescribing or use of Zyprexa Relprevv injection at this time.