Company Provides Clinical Data Update from Ongoing Phase 1 Clinical Trial with ACTengine® IMA203 TCR-T Targeting PRAME Updated clinical data on ACTengine® IMA203 targeting PRAME in 30 heavily pre-treated metastatic melanoma patients at RP2D: 55% confirmed objective response rate, including tumor shrinkage achieved in 87% of patients; median duration of response of 13.5 months including 11/16 ongoing confirmed responses; IMA203 continues to maintain a favorable safety profile Registration-enabling randomized ...