Thank you for visiting to Otsuka Pharmaceutical Group Website.
This site has been renewed as an English site of Otsuka Pharmaceutical Co., Ltd.
If you have an old URL of our previous site book-marked, please update it to the following URL address.
Otsuka Pharmaceutical Co., Ltd.
For acquiring information of Otsuka group companies, please visit Otsuka Holdings website at the following URL address.
Otsuka Holdings Co., Ltd.
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