Valeant Pharmaceuticals has sold certain discovery and preclinical assets to Ardea Biosciences, Inc. (formerly IntraBiotics Pharmaceuticals). The sale includes the rights to Valeant’s HIV and cancer development programs. Under the terms of the agreement, Ardea will make payments to Valeant upon the achievement of clinical milestones for both HIV and cancer programs. Valeant will retain an option to reacquire rights to commercialize its HIV program outside of the U.S. and Canada upon A...