Kaigen Pharma

Kaigen Pharma Co., Ltd. is a Japanese pharmaceutical and medical device company headquartered in Osaka, operating as a subsidiary of Nipro Corporation. The company was established in 2013 following the merger of Kaigen Co., Ltd. and the pharmaceutical business of Kyowa Hakko Kirin. Kaigen Pharma specializes in gastroenterology, offering a comprehensive portfolio that includes gastrointestinal diagnostic agents, endoscopic equipment, and proteolytic enzymes like Pronase. Additionally, the company maintains a significant presence in the consumer healthcare market with its long-standing Kaigen brand of over-the-counter cold medicines. Its business model integrates the development, manufacturing, and distribution of both therapeutic drugs and specialized medical devices for clinical settings.