Gilead Sciences has received marketing authorization from the European Commission for Vitekta (elvitegravir 85 mg and 150 mg) tablets, an integrase inhibitor for the treatment of HIV-1 infection in adults without known mutations associated with resistance to elvitegravir. Vitekta is indicated for use as part of HIV treatment regimens that include a ritonavir-boosted protease inhibitor. Vitekta interferes with HIV replication by blocking the virus from integrating into the genetic material of hu...