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FDA grants priority review designation to Gilead Sciences’s HIV drug

The U.S. Food and Drug Administration (FDA) has granted priority review for the company’s New Drug Application (NDA) for Gilead Sciences’s investigational, fixed-dose combination of bictegravir (50mg) (BIC), a novel investigational integrase strand transfer inhibitor (INSTI), and emtricitabine/tenofovir alafenamide (200/25mg) (FTC/TAF), a dual-NRTI backbone, for the treatment of HIV-1 infection.

Gilead said that it filed the NDA for BIC/FTC/TAF with a Priority Review voucher on June 12, 2017, and FDA has set a target action date under the Prescription Drug User Fee Act (PDUFA) of February 12, 2018.

The NDA is supported by data from four Phase 3 studies that evaluated the fixed-dose combination among treatment-naïve patients and among virologically suppressed patients. A marketing application for BIC/FTC/TAF is also under review in the European Union, and was validated by the European Medicines Agency (EMA) in July. Bictegravir in combination with FTC/TAF as a single tablet regimen is an investigational treatment that has not been determined to be safe or efficacious and is not approved anywhere globally.

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