Gilead Sciences (GILD 89.69 +2.44 2.80%) announced that the FDA has approved its defsey (emtricitabine 200mg/rilpivirine 25 mg/tenofovir alafenamide 25 mg)(R/F/TAF) for the treatment of HIV-1 infection in certain patients. This is the company's second TAF-based regimen cleared in the U.S.