Citius Oncology Highlights Phase 1 Data in an Investigator-Initiated Study of LYMPHIR® (denileukin diftitox-cxdl) in Combination with Pembrolizumab in Recurrent or Refractory Gynecologic Malignancies

Investigator-initiated study data presented May 30, 2026, at the American Society of Clinical Oncology (ASCO) Annual Meeting demonstrated durable responses and manageable tolerability in heavily pre-treated patients 20.5 months of median progression-free survival observed among 48% of efficacy-evaluable patients achieving clinical benefit (10 of 21) Responses were observed in patients previously treated with immune checkpoint inhibitors, including a 33% objective response rate in patients with relapsed or refractory endometrial cancer CRANFORD, N.J., June 1, 2026 /PRNewswire/ -- Citius Oncology, Inc. ("Citius Oncology") (Nasdaq: CTOR), an oncology‑focused biopharmaceutical company and majority‑owned subsidiary of Citius Pharmaceuticals, Inc. ("Citius Pharma") (Nasdaq: CTXR), today highlighted Phase 1 clinical data presented May 30, 2026, at the American Society of Clinical Oncology (ASCO) Annual Meeting evaluating LYMPHIR (denileukin diftitox-cxdl) in combination with pembrolizumab in patients with recurrent or refractory gynecologic malignancies.