FT. LAUDERDALE, Fla.--(BUSINESS WIRE)--clinicalRSVP (Clinical Research Subject Verification Program), an online participant registry that prevents clinical trial volunteers from being enrolled in more than one trial at a time, recently contributed key insight on subject registries in a featured session at the 21st Annual Association of Clinical Pharmacology Units (ACPU) Meeting held at the National Institutes of Health (NIH) in Bethesda, Md. The session focused on the impact of subject registries and their capacity to reduce business and safety risks posed by dual enrollment.