On October 5, 2022 I-Mab (the "Company") (Nasdaq: IMAB), a clinical-stage biopharmaceutical company committed to the discovery, development, and commercialization of novel biologics, reported that the Company will present new preclinical data of its core assets lemzoparlimab and uliledlimab, respectively, at the 37th Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper)’s (SITC) (Free SITC Whitepaper) Annual Meeting in Boston, MA, as well as virtually November 8-12, 2022 (Press release, I-Mab Biopharma, OCT 5, 2022, View Source [SID1234621753]).
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Full text of the abstracts will be released on the SITC (Free SITC Whitepaper) website at 8:00 a.m. ET on Monday, November 7, 2022, and the posters will be available on the Company’s website on November 12, 2022.
About CD47 and Lemzoparlimab
CD47 is a cell surface protein over-expressed in a wide variety of cancers and can act to protect tumors by delivering a "don’t eat me" signal to otherwise tumor-engulfing macrophages. CD47 antibody blocks this signal and enables macrophages to attack tumor cells. However, development of CD47 antibody as a cancer therapy has been hampered by its hematologic side effects, such as severe anemia, caused by natural binding of CD47 antibody to red blood cells. Scientists at I-Mab discovered a novel CD47 antibody, lemzoparlimab, that is designed to target tumor cells while exerting a minimal untoward effect on red blood cells.
Multiple clinical studies of lemzoparlimab are ongoing to explore indications in treating patients with myelodysplastic syndrome (MDS), acute myelocytic leukemia (AML), non-Hodgkin’s lymphoma (NHL), and advanced solid tumors in combination with chemotherapy and immune checkpoint inhibitors.
About Uliledlimab
Uliledlimab (also known as TJD5) is a differentiated, humanized antibody against CD73, an ecto-enzyme expressed on stromal cells and tumors that converts extracellular adenosine monophosphate (AMP) to adenosine. Adenosine in turn binds to adenosine receptors on relevant immune cells and inhibits anti-tumor immune responses in tumor microenvironment. Uliledlimab is expected to offer clinical benefit by suppressing tumor growth in concert with checkpoint therapies such as PD-(L)1 antibodies. Uliledlimab is effective in anti-tumor activities through a unique intra-dimer binding, leading to differentiated and favorable functional properties as evident in preclinical studies.