Tarrytown, N.Y., August 30, 2009 – PsychoGenics Inc. and AstraZeneca have entered into a drug discovery and development agreement to identify compounds that are likely to be useful for the treatment of certain Central Nervous System (CNS) disorders. Under the agreement, PsychoGenics will use its proprietary drug discovery technologies to evaluate a number of AstraZeneca drug candidates for their potential to treat psychiatric disorders.