Institute of Medical Science

DIMS Institute of Medical Science, Inc. is a specialized contract research organization (CRO) based in Japan that focuses on non-clinical safety assessment, particularly in the field of carcinogenicity. Established in 1978, the company is renowned for its expertise in using animal models, such as the Ito Model, to evaluate the carcinogenic risk of pharmaceuticals, food additives, and environmental chemicals. DIMS provides high-quality pathology peer review and toxicological research services to both private pharmaceutical companies and governmental health sectors. The institute operates under Good Laboratory Practice (GLP) standards and is a key player in the Japanese drug development ecosystem, supporting the safety evaluation of new therapeutic candidates.