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December 6, 2018

Unum Therapeutics Inc. (UMRX) Secures U.S. Patent for ACTR Technology

Unum Therapeutics Inc. (NASDAQ: UMRX), announced today that the United States Patent and Trademark Office has issued US patent 10,144,770, entitled “Chimeric Receptors and Uses Thereof in Immune Therapy.” The ‘770 patent covers design and use of the chimeric Antibody-Coupled T-cell Receptor (ACTR) platform technology that enables an engineered immune cell to be targeted via an antibody to attack certain cell types, including cancer cells. An ACTR-expressing T cell offers a number of potential advantages over alternative cell therapy approaches and clinical proof-of-concept for the ACTR technology has been demonstrated in two independent clinical trials sponsored by Unum Therapeutics. ACTR therapeutic programs targeting non-Hodgkin lymphoma, multiple myeloma, and HER2+ advanced cancers are currently in early stages of clinical testing.

The initial ACTR construct was developed by Dr. Dario Campana, a well-renowned cancer researcher recognized as an inventor of the chimeric antigen receptor that forms the basis for tisagenlecleucel, the world’s first approved CAR-T therapy. Working initially at St. Jude Children’s Research Hospital and later at the National University of Singapore, Dr. Campana and his team were able to demonstrate in mouse studies that ACTR-expressing T cells exhibit potent anti-tumor activity. Researchers at Unum Therapeutics extended upon this work, demonstrating that a wide range of functional ACTR receptors could be constructed using different building blocks derived from various human immune cell receptors.

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