Oncotelic Announces Successful Completion of the Safety Evaluation of a TGF-β Inhibitor (OT-101) and IL-2 (Aldesleukin) in Phase 1 Combination Trial in Solid Tumor Cancers AGOURA HILLS, CA, Nov. 16, 2021 (GLOBE NEWSWIRE) -- Oncotelic Therapeutics, Inc. ("Oncotelic" or the "Company") (OTCQB:OTLC), a leading developer of TGF-β therapeutics for oncology and virology,...