Amgen pays Kyowa $400m upfront for OX40 eczema drug
pharmaphorum
JUNE 2, 2021
The deal gives Amgen rights to the KHK4083 antibody in all countries except Kyowa’s home market of Japan, and is back-loaded with potential milestone payments worth another $850 million plus royalties on sales. Kyowa will co-promote the drug in the US if approved, with opt-in rights in some other countries as well.
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