REGULATORY

Japan’s 1st Xolair Biosimilar Likely from Celltrion as JAN Is Assigned

By Shinya Sato January 23, 2026
Japan’s first biosimilar version of the asthma and allergy treatment Xolair (omalizumab) might be nearing regulatory approval, with the health ministry on January 22 announcing that a Japanese non-proprietary name, or JAN, has been assigned to the follow-on product. The…

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