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FDA Limits Duchenne Gene Therapy After Two Teens Die of Liver Failure

The FDA restricted Elevidys to patients who can still walk and are at least four years old, requiring wider monitoring and post-marketing studies after two liver failure deaths.

  • On Friday, the U.S. Food and Drug Administration issued new restrictions on Sarepta Therapeutics' Elevidys, marking a formal regulatory change in its approved U.S. use.
  • Two teenage patients died of liver failure after receiving Elevidys, prompting the FDA to reassess the therapy's safety profile.
  • The FDA limited use of Elevidys to ambulatory patients who are at least four years of age, narrowing previous approval that included non-ambulatory patients.
  • The agency is requiring broader patient monitoring and Sarepta Therapeutics must run a post-marketing study to assess liver damage risk following new Elevidys restrictions on Friday.
  • Sarepta Therapeutics said it expects to soon test a new immunosuppressive regimen to reduce organ damage risks as part of post-marketing safety commitments.
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FDA Limits Duchenne Gene Therapy After Two Teens Die of Liver Failure

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·Missoula, United States
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biopharmadive.com broke the news in on Monday, November 17, 2025.
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