Our Alliances

  • Lundbeck Logo

    Otsuka has a long term global alliance agreement with the Danish company, Lundbeck, with whom we share a heritage of research and development in neuroscience. We believe that this collaboration will lead to new products that will have a positive impact on a broad range of mental health illnesses and hence improve the lives of millions of people.

  • Bristol-Myers Squibb Logo
    Bristol-Myers Squibb

    Otsuka is a collaborative partner of Bristol-Myers in the commercialization of a treatment for chronic myeloid leukemia in the United States, Japan, and several European countries.

  • GW Pharmaceuticals logo
    GW Pharmaceuticals

    Otsuka has been collaborating with U.K. biotech company, GW Pharmaceuticals, on the U.S. development of a drug to treat advanced cancer pain. The drug is currently in Phase III trials. If successful, GW has granted Otsuka an exclusive license to market the treatment in the U.S.

  • Proteus Digital Health

    Otsuka is collaborating with Proteus Digital Health, Inc., based in California, on the development and commercialization of cutting-edge wearable and ingestible technologies. A recent result of this collaboration is the world’s first drug/device combination to be submitted for approval to the U.S. Food and Drug Administration. The aim is to help patients better manage their conditions and to help clinicians provide more effective care. This new frontier science is in keeping with our philosophy: ‘Otsuka-people creating new products for better health worldwide’.

Our Affiliates

  • Avanir logo
    Avanir Pharmaceuticals, Inc.

    Avanir Pharmaceuticals, Inc., a biopharmaceutical company focused on developing treatments for patients with central nervous system disorders. As well as producing the world’s first and only approved treatment for the neurologic disease pseudobulbar affect (PBA), Avanir has been working towards drugs for Alzheimer’s disease and Parkinson’s disease.

  • Astex logo
    Astex Pharmaceuticals, Inc.

    Otsuka’s commitment to cutting-edge science can be seen in our work with Astex Pharmaceuticals. The aim is to complement our research and development strengths with Astex’s fragment-based drug discovery technology, one of the most significant new drug discovery platforms in the last 20 years. This combination of skills shows great promise in bringing new therapies in neuroscience and oncology than was previously possible. Astex is a leader in innovative drug discovery and development, committed to the fight against cancer and diseases of the central nervous system. As part of Japan’s leading pharmaceutical company, Otsuka Pharmaceutical Co. Ltd., Astex operates from two sites with drug discovery research headquarters in Cambridge, UK and clinical development headquarters in Pleasanton, California, USA.


Otsuka has been committed for more than 3 decades to developing novel drugs for neurological conditions such as schizophrenia.