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Business

Ambrx, Astellas Eye Conjugate Drugs

by Michael McCoy
April 15, 2013 | A version of this story appeared in Volume 91, Issue 15
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California-based Ambrx and Japan’s Astellas Pharma are joining to discover and develop antibody-drug conjugates for oncology. Ambrx will receive an up-front payment of $15 million from Astellas and could get up to $285 million in milestone payments. Ambrx creates ADCs using site-specific conjugation technology that allows the attachment of anticancer compounds to specific points on an antibody. It also has partnerships with Bristol-Myers Squibb, Eli Lilly & Co., and other firms.

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