Theorem Clinical Research quantifies its clients' medical theories. The company, formerly known as Omnicare Clinical Research, is a contract research organization (CRO) offering drug development services, from Phase I to Phase IV clinical trials, to pharmaceutical, biotech, and medical device companies worldwide. The CRO has special expertise in the research areas including cardiovascular care, dermatology, geriatrics, infectious disease, metabolism, oncology, and vaccines. Services include patient and investigator recruitment, clinical trials management, safety monitoring, statistical analysis, drug packaging, medical writing, and regulatory review assistance. The company is owned by equity firm Nautic Partners.