FOSTER CITY, Calif.--(BUSINESS WIRE)--Gilead Sciences, Inc. (Nasdaq:GILD) announced today that the Marketing Authorisation Application (MAA) for the Quad single-tablet regimen of elvitegravir, cobicistat, emtricitabine and tenofovir disoproxil fumarate for the treatment of HIV-1 infection in adults, submitted on November 24, 2011, has been validated by the European Medicines Agency (EMA). Review of the MAA will be conducted under the centralized licensing procedure, which, when finalized, provides one marketing authorization in all 27 member states of the European Union (EU).