BOSTON and SEONGNAM, South Korea, May 8, 2024 /PRNewswire/ -- TiumBio Co., Ltd. (KOSDAQ: 321550), a clinical-stage biopharmaceutical company focused on discovering and developing innovative therapeutics for patients with rare and incurable diseases, announced positive topline results from its Phase 2a clinical trial of Merigolix, an oral gonadotropin-releasing hormone (GnRH) receptor antagonist, in patients with moderate to severe endometriosis-associated pain. The trial achieved its primary endpoint of reducing dysmenorrhea scores compared to placebo across all three dose groups, demonstrating a statistically significant difference (120mg group p=0.044, 240mg group p=0.001, 320mg group p<0.001).