Idenix Pharmaceuticals Initiates Proof-of-Concept Study for Protease Inhibitor IDX320 in Hepatitis C Patients
Idenix Pharmaceuticals, Inc. announced that it has initiated a 3-day proof-of-concept study of IDX320, a protease inhibitor for the treatment of hepatitis C virus (HCV) infection, under a Clinical Trial Application (CTA). The study is evaluating IDX320 in treatment-naive hepatitis C genotype 1-infected patients.
"The potent and multi-genotypic activity demonstrated in vitro,as well as the favorable pharmacokinetics observed in healthy volunteers, suggests a promising profile for further development of IDX320," said Jean-Pierre Sommadossi, Ph.D., chief executive officer of Idenix. "The landscape for combination development in HCV is evolving quickly. Assuming favorable results from the IDX320 proof-of-concept study, we plan to discuss with regulatory agencies a direct-acting antiviral combination strategy with IDX320 and IDX184, our HCV nucleotide polymerase inhibitor."
Douglas Mayers, M.D., Idenix's chief medical officer commented, "We are encouraged by the results seen to date with IDX320 and are hopeful that future clinical studies will allow us to continue advancing this program with the ultimate goal of treating a wide range of patients infected with HCV."
The proof-of-concept trial in HCV-infected patients is a Phase I/II randomized, parallel-arm, double-blind, placebo-controlled study evaluating the safety and antiviral activity of IDX320 in treatment-naive adult patients infected with chronic hepatitis C. The study will evaluate four doses of IDX320, ranging from 50 to 400 mg once-per-day, administered for three days. Each cohort of the study will evaluate eight patients randomized six to IDX320 and two to placebo.
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