Evolution Research Group

Evolution Research Group is one of the largest independent clinical research site companies in the U.S., specializing in complex inpatient and outpatient trials across more than 50 therapeutic indications. It has particular strength in CNS/neuroscience studies and early-phase development. The group operates both owned sites and affiliate networks, offers full-service CRO capabilities through integration with Lotus Clinical Research, provides rater training via CNS Ratings, and supports sponsors from patient recruitment through data delivery. Recent expansions include acquisitions of Richmond Behavioral Associates and Ohio Clinical Trials to broaden their reach.