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Pharma Tech Outlook | Thursday, July 15, 2021
NGM707 is a new dual antagonist antibody that blocks both the ILT2 and ILT4 receptors and it was created using NGM’s own discovery engine.
FREMONT, CA: NGM Biopharmaceuticals, a biotechnology company focused on discovering and developing transformative therapeutics for patients, recently announced that the first patient in a Phase 1/2 study to assess the efficacy, safety, and pharmacokinetics/pharmacodynamics of NGM707 when given alone or in combination with KEYTRUDA (pembrolizumab), an anti-PD-1 antibody, has been dosed. NGM707 is a new dual antagonist antibody that blocks both the ILT2 and ILT4 receptors and it was created using NGM’s own discovery engine.
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“NGM707 is designed to improve tumor responses in cancer patients by both reprogramming immuno-suppressive myeloid cells through ILT4 inhibition and by further stimulating the activity of myeloid and lymphoid cells through ILT2 inhibition. As ILT4 inhibition continues to gain interest as a potentially important oncology strategy, our research suggests that NGM707s novel dual blockade of ILT4 and ILT2 may yield enhanced anti-tumor activity,” said Alex DePaoli, M.D., Senior Vice President, Chief Translational Officer at NGM. “As a result, we believe NGM707 offers a potentially compelling treatment profile and could represent an important therapeutic advancement for patients with cancer.”
As the second NGM wholly-owned oncology candidate in the clinic, NGM120, a glial cell-derived neurotrophic factor alpha-like (GFRAL) antagonistic antibody, is now in a Phase 2 study in patients with metastatic pancreatic cancer.
In the tumor microenvironment, the receptors ILT2 and ILT4 are overexpressed on myeloid cells. These receptors have been linked to dampening anti-tumor immune responses, and they could be myeloid gatekeepers that let malignancies avoid immune identification. By blocking both the ILT2 and ILT4 receptors, NGM707 was created to enhance patient immune responses to malignancies. Blocking ILT4 reverses myeloid cell immune suppression while blocking ILT2 enhances natural killer (NK) and CD8+ T-cell killing of tumor cells and accelerates macrophage phagocytosis of tumor cells NGM707 preclinical trials.
“As we continue to look for novel agents applicable to a broad range of solid tumors and approaches with stronger anti-tumor immune responses, a therapeutic that addresses key myeloid checkpoint resistance mechanisms could represent a significant advancement for cancer patients,” said Patricia LoRusso, DO, Professor of Medicine (Medical Oncology); Associate Cancer Center Director, Experimental Therapeutics, Yale University. “NGM707, by reversing myeloid and lymphoid checkpoints, is a promising approach that can potentially help these patients. We look forward to enrolling patients in this Phase 1/2 study and understanding how NGM707s preclinical benefits may translate to patients in the clinical setting.”
Furthermore, preclinical research on NGM707 suggests that blocking both ILT2 and ILT4 may be more efficient than blocking either receptor alone in correcting Fc receptor signaling suppression. Furthermore, preclinical research has demonstrated that NGM707 in conjunction with pembrolizumab increases T-cell activation and cytokine release additively.
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