Welcome to Shionogi USA

Shionogi USA, Inc. is a pharmaceutical company focused on the development of medicines that address areas of unmet medical need. At present, Shionogi USA is involved in the clinical development of innovative compounds for the treatment of HIV/AIDS, obesity, atopic dermatitis, and hematologic conditions.

We are the wholly owned US subsidiary of Shionogi & Co., Ltd., one of Japan’s largest research-driven pharmaceutical companies.