SAN DIEGO--(BUSINESS WIRE)--Ardea Biosciences, Inc. (Nasdaq:RDEA) announced today that additional data from a Phase 2a monotherapy study of RDEA806, our lead non-nucleoside reverse transcriptase inhibitor (NNRTI) in development for the treatment of human immunodeficiency virus (HIV), were presented at the 48th Annual ICAAC/IDSA 46th Annual Meeting in Washington, DC.