Idenix Pharmaceuticals Inc. (IDIX) announced that it received verbal notice from the U.S. Food and Drug Administration or FDA that a partial clinical hold has been placed on IDX184, the Company's nucleotide polymerase inhibitor under development for the treatment of hepatitis C virus (HCV).
As a result of the recent occurrence of a serious cardiac-related adverse event encountered with a competitor's nucleotide polymerase inhibitor for the treatment of HCV, the FDA has expressed an interest in further reviewing the safety of IDX184 and has placed IDX184 on partial clinical hold.
In previous clinical trials as well as the ongoing phase IIb clinical trial of IDX184 in combination with pegylated interferon and ribavirin (PegIFN/RBV), there has been no evidence to date of cardiotoxicity in patients dosed with IDX184 with PegIFN/RBV beyond that seen with PegIFN/RBV alone. There are currently no patients receiving IDX184 worldwide.
The company noted that the FDA has requested additional data on patients treated with IDX184. Patient safety is our main concern and Idenix will immediately begin work to comply with the FDA request and expects to submit these data to the FDA in the coming weeks.
The company noted that it intends to have an ongoing discussion with the FDA following the submission of this data.
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