FDA Puts Hold on Gilead HIV Trials

FDA has placed a clinical hold on Gilead’s HIV treatment trials of GS-1720, an investigational integrase strand transfer inhibitor, and GS-4182, an investigational capsid inhibitor, due to safety concerns. The agency action is based on the company’s “identification of a safety signal of decreases in CD4+T-cell (CD4) and absolute lymphocyte counts in a subset of participants receiving the combination of GS-1720 and GS-4182,” Gilead says.

Clinical trial investigators involved in the trials have been informed of these actions, the company says. “We intend to investigate and pursue the potential of both agents and are committed to working with regulatory authorities to resolve the issues underlying the clinical hold,” it adds.

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