 NEWTOWN, Pa., Sept. 22, 2022 GLOBE NEWSWIRE -- Onconova Therapeutics, Inc. NASDAQ: ONTX, Onconova, a clinical-stage biopharmaceutical company focused on discovering and developing novel products for patients with cancer, today announced that the Company will be participating in-person in the Ladenburg Thalmann 2022 Healthcare Conference, which is taking place at the Sofitel Hotel in New York, NY. 