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Saturday, October 24, 2026

Zenas BioPharma Acquires Exclusive Worldwide Rights to Obexelimab from Xencor - Business Wire

MONROVIA, Calif., HONG KONG & BOSTON--(BUSINESS WIRE)--Xencor, Inc. (NASDAQ: XNCR), a clinical-stage biopharmaceutical company developing engineered monoclonal antibodies and cytokines for the treatment of cancer and autoimmune diseases, and Zenas BioPharma (“Zenas”), a global biopharmaceutical company based in the USA and China committed to the development and delivery of immune-based therapies, today announced that Zenas has acquired from Xencor exclusive worldwide rights to develop, manufacture and commercialize the investigational antibody obexelimab.

Obexelimab is a potential first-in-class bifunctional antibody that targets CD19 with its variable domain and uses Xencor's XmAb Immune Inhibitor Fc Domain to target FcγRIIb, a receptor that inhibits the function of B-cells, which are important components in the immune system. Xencor demonstrated through early-stage clinical studies that obexelimab effectively inhibits B-cell function without depleting the cells and generates an encouraging treatment effect in patients with multiple autoimmune diseases.

“Zenas is advancing a broad pipeline of differentiated drug candidates that are intended to bring best-in-class innovation to patients with underserved medical needs,” said Hua Mu, Ph.D., MD, president and chief executive officer at Zenas. “Today, we are pleased to add obexelimab to our portfolio, and based on its clinical profile, we believe it is positioned as a first-in-class candidate with the potential to treat...



Read Full Story: https://www.businesswire.com/news/home/20211121005119/en/Zenas-BioPharma-Acqu...