I-Mab Biopharma Signs Agreement for Clinical Research of TJD5 in Combination Therapy

On April 10, 2019 I-Mab Biopharma ("I-Mab"), a clinical stage biopharmaceutical company exclusively focused on the development of potential first-in-class and best-in-class biologics in immuno-oncology and autoimmune diseases reported that it has enters into a collaboration with Roche for I-Mab’s clinical study to evaluate TJD5 in combination with atezolizumab (TECENTRIQ) (Press release, I-Mab Biopharma, APR 10, 2019, View Source [SID1234535096]).

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Roche will supply atezolizumab (TECENTRIQ) to I-Mab for use in clinical study in combination with TJD5. All rights generated in the study will belong jointly to I-Mab and Roche.

TJD5 is a proprietary innovative CD73 antibody from I-Mab’s discovery pipeline with best-in-class potential. CD73 is an ecto-enzyme expressed on stromal cells and tumors that converts extracellular adenosine monophosphate (AMP) to adenosine, which contributes to a highly immunosuppressive tumor micro-environment. On January 18, 2019, TJD5 received IND clearance from the U.S. FDA.

Dr. Joan Shen, Head of R&D of I-Mab, commented, "We are thrilled to collaborate with Roche, a global leader of cancer immunotherapy, and we look forward to maximizing the potential of TJD5 to meet the clinical needs all over the world."

About TJD5:
TJD5 is a differentiated monoclonal antibody against another promising immuno-oncology target, CD73. It is expected to stimulate the immuno-suppressive tumor micro-environment and to work in concert with other cancer therapies such as PD-1 and PD-L1 antibodies. TJD5 acts through a unique intra-dimerization mechanism for anti-cancer activities and inhibit the target enzyme activity completely. This unique mechanism of action ensures the molecule to work normally without a "hook effect" as evident in our preclinical studies.