Join a Study Join a Study at one of the reasearch sites in the ERG Network. Select from the locations below to browse and apply for currently enrolling clinical research in your area. Little Rock, Arkansas Woodland International Research Group Enrolling Studies Rogers, Arkansas Woodland Research Northwest Enrolling Studies San Diego, California Pacific Research Network Enrolling Studies Lemon Grove, California Synergy Research Centers Enrolling Studies Delray Beach, Florida Brain Matters Research Enrolling Studies Fort Myers, Florida Neuropsychiatric Research Center of Southwest Florida Enrolling Studies Stuart, Florida Brain Matters Research Enrolling Studies Miami / Hialeah, Florida Clinical Pharmacology of Miami Enrolling Studies Columbus, Ohio Ohio Clinical Trials Enrolling Studies Dayton, Ohio Midwest Clinical Research Center Enrolling Studies Staten Island, New York Richmond Behavioral Associates Enrolling Studies Dallas / Carrollton, Texas HD Research Enrolling Studies Houston / Bellaire, Texas HD Research Enrolling Studies Houston Heights, Texas HD Research Enrolling Studies San Antonio, Texas Endeavor Clinical Trials Enrolling Studies