Definium Therapeutics Receives Breakthrough Therapy Designation for DT120 (lysergide) Orally Disintegrating Tablet (ODT) in Major Depressive Disorder (MDD) Following Positive Phase 3 Results

NEW YORK, September 08, 2026--Definium Therapeutics, Inc. ("Definium" or the "Company"), a late-stage clinical biopharmaceutical company developing a new generation of therapeutics intended to address underlying causes of psychiatric and neurological disorders, today announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation for DT120 (lysergide) ODT. The designation was supported by the significant unmet medical need in MDD and results from the Compa