Immatics Presents Clinical Activity of IMA203CD8 PRAME Cell Therapy in Hard-to-Treat Gynecologic Cancers at 2026 ASCO Annual Meeting

One-time infusion of IMA203CD8 PRAME cell therapy in the ongoing Phase 1 dose escalation/dose expansion trial achieved anti-tumor activity in platinum-resistant ovarian cancer and in uterine cancer with a 63% objective response rate (ORR), 50% confirmed ORR (cORR), including four complete responses, and longest ongoing response at 12 monthsAdditional Phase 1 data for IMA203CD8 in heavily pretreated patients with synovial sarcoma showed deep and durable responses with a 67% ORR and 64% cORR, incl