PALO ALTO, Calif.--(BUSINESS WIRE)--Anacor Pharmaceuticals (NASDAQ:ANAC) announced today that enrollment has been initiated and the first patient has been dosed in the Phase 3 program of AN2690, a topical antifungal product candidate for the treatment of onychomycosis. Onychomycosis is a fungal infection of the nail and nail bed that affects approximately 35 million people in the United States.