On November 13, 2025 Adagene Inc. ("Adagene") (Nasdaq: ADAG) and Third Arc Bio, Inc. ("Third Arc Bio"), reported a licensing agreement under which Third Arc Bio will utilize Adagene’s SAFEbody technology platform to generate masked CD3 T cell engagers against unique tumor associated antigens. Under the terms of the agreement, Third Arc Bio will receive rights to research, develop and commercialize two candidate molecules worldwide. Adagene will receive an upfront payment of $5 million and is eligible to receive development and commercial-based milestones of up to $840 million (if all milestones and conditions are achieved) as well as royalties on end-user sales. In addition, Adagene has a no-cost option to develop and commercialize these candidate molecules in Greater China, Singapore and South Korea.
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Peter Luo, Ph.D., Chief Executive Officer of Adagene said, "Our SAFEbody technology allows activation of an antibody when it reaches the tumor microenvironment. The resulting wider therapeutic index from improved safety allows for higher dosing and potentially better efficacy, as seen from the data we continue to generate with muzastotug. We’re thrilled that Third Arc Bio will be utilizing our SAFEbody technology for a portion of their exciting pipeline programs."
"Our agreement with Adagene will allow Third Arc Bio to advance highly innovative molecules with a superior therapeutic index and help build on our growing portfolio of novel CD3- and CD28-targeting T cell engagers," said Peter Lebowitz, M.D., Ph.D., Chief Executive Officer of Third Arc Bio. "Adagene’s SAFEbody technology expands the reach of our ArcStim Platform to additional novel targets."
(Press release, Adagene, NOV 13, 2025, View Source [SID1234659889])