Keros Therapeutics Announces the First Patient Dosing in the Phase 2 Clinical Trial Evaluating Rinvatercept in DMD

LEXINGTON, Mass., Sept. 28, 2026 (GLOBE NEWSWIRE) -- Keros Therapeutics, Inc. (“Keros”) (Nasdaq: KROS), a clinical-stage biopharmaceutical company focused on developing and commercializing novel therapeutics to treat a wide range of patients with disorders that are linked to dysfunctional signaling of the transforming growth factor-beta (“TGF-ß”) family of proteins, today announced that the first patient was dosed in the Phase 2 clinical trial of rinvatercept in patients with Duchenne muscular dystrophy (“DMD”).

“Dosing the first patient in our Phase 2 clinical trial of rinvatercept represents an important step in advancing our neuromuscular development strategy, and reflects the progress of our team as we continue to advance Keros’ clinical pipeline,” said Jasbir S. Seehra, Ph.D., President and Chief Executive Officer of Keros. “Rinvatercept is designed to modulate key regulators of muscle and bone biology, and we look forward to generating clinical data to inform its potential to treat patients with DMD.”