SHANGHAI, Sept. 23, 2019 /PRNewswire/ -- I-Mab Biopharma ("I-Mab"), a China and U.S.-based clinical stage biopharmaceutical company exclusively focusing on the discovery and development of potential first-in-class and best-in-class biologics in immuno-oncology and autoimmune diseases, today announced that it has entered into a clinical research collaboration agreement with MSD, a tradename of Merck & Co., Inc., Kenilworth, NJ., USA, to evaluate the combination of I-Mab's TJC4 and MSD's anti-PD-1 therapy, KEYTRUDA® (pembrolizumab) in patients with multiple cancer types.
Under this collaboration agreement, MSD will supply KEYTRUDA® (pembrolizumab) to I-Mab for use in clinical studies in combination with TJC4, a fully human anti-CD47 monoclonal antibody. Both parties will collaborate on a Phase 1 clinical trial, based on an agreed and finalized protocol, to evaluate the safety, pharmacokinetics, pharmacodynamics and preliminary efficacy of TJC4 and KEYTRUDA® in patients with multiple cancer types.
"TJC4 is a highly differentiated anti-CD47 antibody currently under clinical development. This collaboration will provide an excellent opportunity to further explore therapeutic potential of combining TJC4 with KEYTRUDA® across different tumor types." said Dr. Jingwu Zang, Founder and Chairman of I-Mab.
KEYTRUDA® is a registered trademark of Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA.
CD47 represents one of the most promising immuno-oncology targets. The current investigational drugs targeting the CD47-SIRPa pathway have undesirable properties of binding to human red blood cells (RBC) or platelets. Such unwanted binding properties have been shown in pre-clinical and clinical settings to cause hematologic side-effects, e.g., anemia and thrombocytopenia, and the so-called "antigen sink effect" that affects pharmacokinetics of the investigational drugs. TJC4 is a highly differentiated monoclonal antibody made, by design, to recognize a unique epitope on CD47 and avoid strong binding to red blood cells. As such, TJC4 did not cause anemia in non-human primate studies，while it was shown to maintain anti-tumor activities. TJC4 is currently under clinical development in the U.S. and has been granted an IND approval by the National Medical Products Administration (NMPA) to start clinical trials in China.
I-Mab is a dynamic and fast-growing global biotech company exclusively focused on developing biologics of first-in-class or best-in-class potential in the therapeutic areas of immuno-oncology and autoimmune diseases. I-Mab's mission is to bring transformational medicines to patients through innovation. I-Mab's innovative pipeline of more than 10 clinical and pre-clinical stage drug candidates is driven by the Company's Fast-to-PoC (Proof-of-Concept) and Fast-to-Market development strategies through internal R&D and global partnerships. The Company is on track to become a fully integrated end-to-end global biopharmaceutical company with cutting-edge discovery platforms, proven preclinical and clinical development expertise, and world-class GMP manufacturing capabilities. I-Mab is well-recognized by capital markets to have successfully raised over US$400 million in equity financing since its establishment in 2016. Its recent USD 200 million Series C financing represents one of the largest amounts ever raised by a biotech company in China.
For more information, please see the Company's website at www.i-mabbiopharma.com.
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