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Otsuka Pharmaceutical

Creating New Products for Better Health Worldwide

Avanir is a subsidiary of Otsuka America, Inc. (OAI), a holding company established in the United States in 1989. OAI is wholly owned by Otsuka Pharmaceutical Co., Ltd., a global healthcare company.

As a total healthcare company, Otsuka Pharmaceutical will continue to focus on unfulfilled needs of patients and consumers on a global scale, creating creative, innovative products and new market categories in our efforts to contribute to the health and well-being of people everywhere.

Tatsuo Higuchi
President, Representative Director of Otsuka Holdings Co., Ltd
Otsuka's History

Otsuka has been on a journey of creativity and innovation for nearly 100 years. During this time, Otsuka has discovered and developed treatments for central nervous system disorders, cardiovascular diseases, nephrology diseases, digestive diseases, cancer, respiratory and dermatology conditions and provided a range of clinical, nutritional and diagnostic products. From its early beginnings in Japan, Otsuka has grown into a global business with an international network of 189 companies and more than 47,000 employees across Asia-Pacific, the Americas, India, Europe and the Middle East. It’s a story that all began in 1921.

Learn more about Otsuka’s therapeutic areas 

Learn more about Otsuka’s businesses