Onconova Therapeutics (ONTX) – Onconova To Present Data At American Association of Cancer Research Meeting

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Monday, March 11, 2024

Onconova Therapeutics is a clinical-stage biopharmaceutical company focused on discovering and developing novel products for patients with cancer. The Company has proprietary targeted anti-cancer agents designed to disrupt specific cellular pathways that are important for cancer cell proliferation. Onconova’s novel, proprietary multi-kinase inhibitor narazaciclib (formerly ON 123300) is being evaluated in a combination trial with estrogen blockade in advanced endometrial cancer. Based on preclinical and clinical studies of CDK 4/6 inhibitors, Onconova is also evaluating opportunities for combination studies with narazaciclib in additional indications. Onconova’s product candidate rigosertib is being studied in multiple investigator-sponsored studies. These studies include a dose-escalation and expansion Phase 1/2a study of oral rigosertib in combination with nivolumab in patients with KRAS+ non-small cell lung cancer, a Phase 2 program evaluating rigosertib monotherapy in advanced squamous cell carcinoma complicating recessive dystrophic epidermolysis bullosa (RDEB-associated SCC), and a Phase 2 trial evaluating rigosertib in combination with pembrolizumab in patients with metastatic melanoma.

Robert LeBoyer, Senior Vice President, Equity Research Analyst, Biotechnology, Noble Capital Markets, Inc.

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Onconova Announces Presentation At AACR. Onconova announced the scheduling of a poster presentation at the American Association for Cancer Research Annual Meeting scheduled for April 8, 2024, in San Diego. The abstract provides additional details on rigosertib’s multiple mechanisms of action that include effects on cell signaling, interruption of cell division, and inflammation within the tumor environment to improve efficacy of checkpoint inhibitors.

Mechanisms Are Consistent With Rigosertib Clinical Trials. Rigosertib is currently in a Phase 1/2 trial testing the combination of rigosertib with nivolumab (Opdivo, an anti-PD-1 checkpoint inhibitor) in patients with KRAS-positive non-small cell lung cancer (NSCLC) and in a Phase 2 trial with pembrolizumab (Keytruda, an anti-PD-1 checkpoint inhibitor) in metastatic melanoma.

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