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Jun 29, 2026

New England Journal of Medicine Retracts Amgen's Tavneos Clinical Trial Amid Data Manipulation Allegations

The New England Journal of Medicine retracted the main clinical trial used to approve Amgen's $500 million drug Tavneos, following allegations of data manipulation. The European Medicines Agency had previously recommended revoking the drug's approval over data integrity concerns.

Jun 29, 2026·1 source
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Top claims

  • ▪Two of the Tavneos clinical trial study's authors requested the retraction from the New England Journal of Medicine
  • ▪The retracted Tavneos clinical trial was the main study used to approve the drug
  • ▪The US Food and Drug Administration investigation found that results of nine patients in the Tavneos trial were changed after the study's database was finalized

Subtopics

Drug Approval and Clinical Trials1Drug approval process1Drug safety1

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