Atherosclerosis Research Center

Louisville Metabolic and Atherosclerosis Research Center (L-MARC) is a premier clinical research facility based in Louisville, Kentucky, specializing in the study of metabolic and cardiovascular diseases. Founded in 1986 by Dr. Harold Bays, the center has established a global reputation for excellence in conducting human clinical trials, having participated in over 700 studies for major pharmaceutical and biotechnology sponsors. L-MARC provides comprehensive services including participant recruitment, on-site study execution, and regulatory compliance, with deep expertise in lipid disorders, obesity medicine, and diabetes. In December 2025, the company was acquired by Monroe Biomedical Research, a leading clinical trial site network, to expand its therapeutic reach and geographic footprint.