ARYx Therapeutics: new drugs with the efficacy of proven therapies and significantly better safety profiles. ARYx was founded in 1997 by Peter Milner, M.D. and Pascal Druzgala, Ph.D. ARYx’s proprietary ARM™ (ARYx RetroMetabolic) technology analyzes the parent structure and degradation products of known drugs and creates new drug candidates that use different metabolic pathways for clearance.