Moleculin Announces Imminent MIRACLE Trial Unblinding as Blinded Data Continue to Significantly Outperform Historical Benchmarks

Preliminary blinded CR rate for the first 45 subjects in the trial approximates 30% and represents ~67% improvement vs. standard of care First 45-subject data unblinding expected before June 30, 2026 Program targets high-unmet-need AML population, including R/R Venetoclax subjects Recruitment of Part A continues to the target 90 subjects in Q3 2026 with 56 or 62% subjects recruited and randomized Continued absence of cardiotoxicity and high efficacy expected to position Annamycin as a “significant advancement” in AML treatment HOUSTON, May 13, 2026 (GLOBE NEWSWIRE) -- Moleculin Biotech, Inc., (Nasdaq: MBRX) (“Moleculin” or the “Company”), today announced that it is approaching the first unblinding of data from its pivotal Phase 2B/3 “MIRACLE” trial evaluating Annamycin in combination with cytarabine for the treatment of subjects that have been relapsed or refractory to their primary line of treatment for acute myeloid leukemia (R/R AML).