Moleculin CEO, Walter Klemp, Highlights 45 Subject Enrollment Milestone in Recent Virtual Investor “What This Means” Segment

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- Access the segment here HOUSTON, June 04, 2026 (GLOBE NEWSWIRE) -- Moleculin Biotech, Inc., (Nasdaq: MBRX) (“Moleculin” or the “Company”), today announced that Walter Klemp, Chairman and Chief Executive Officer of Moleculin, participated in a Virtual Investor “What This Means” segment. As part of the segment, Mr. Klemp discussed the Company’s recent news announcing that the 45th subject has been enrolled in its pivotal Phase 2B/3 MIRACLE trial evaluating Annamycin in combination with cytarabine (AnnAraC) for the treatment of adult subjects with relapsed or refractory acute myeloid leukemia (R/R AML). Mr. Klemp gave insight into how this milestone triggers the final phase of preparation for the trial’s interim 45 subject data unblinding, which remains on track for mid-2026 and represents a potentially defining inflection point for the Company. The segment is now available for on-demand viewing here. About Moleculin Biotech, Inc. Moleculin Biotech, Inc. is a Phase 3 clinical stage pharmaceutical company advancing a pipeline of therapeutic candidates addressing hard-to-treat tumors and viruses. The Company’s lead program, Annamycin (also known as naxtarubicin), is a next-generation highly efficacious and well tolerated anthracycline designed to avoid multidrug resistance mechanisms and to lack the cardiotoxicity common with currently prescribed anthracyclines. Annamycin is currently in development for the treatment of relapsed or refractory acute myeloid leukemia (AML) and soft tissue sarcoma (STS) lung metastases. The Company has begun the MIRACLE (Moleculin R/R AML AnnAraC Clinical Evaluation) Trial (MB-108), a pivotal, adaptive design Phase 3 trial evaluating Annamycin in combination with cytarabine, together referred to as AnnAraC (the combination of Annamycin and cytarabine, also referred to as “Ara-C”) for the treatment of relapsed or refractory acute myeloid leukemia. Following a successful Phase 1B/2 study (MB-106), with input from the FDA, the Company believes it has substantially de-risked the development pathway towards a potential approval for Annamycin for the treatment of AML. This study remains subject to appropriate future filings with potential additional feedback from the FDA and their foreign equivalents. Additionally, the Company is developing WP1066, an Immune/Transcription Modulator capable of inhibiting p-STAT3 and other oncogenic tr...

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