Immatics N.V. (“Immatics” or the “Company”), a clinical-stage biopharmaceutical company and the global leader in precision targeting of PRAME, today announced updated Phase 1a dose escalation data from both product candidates in its TCR Bispecifics (TCER®) pipeline, IMA402 PRAME Bispecific and IMA401 MAGEA4/8 Bispecific, as well as next steps for clinical development.
Company to host conference call and webcast today, November 12, at 8:30 am EST/2:30 pm CET
– IMA402 and IMA401 TCR Bispecifics showed favorable tolerability at RP2D as well as deep and durable responses in heavily pre-treated, last-line patients with a range of solid tumors
– IMA402 PRAME Bispecific at RP2D range resulted in a 30% cORR (6/20) across all indications, including 29% (4/14) in melanoma and 2/3 confirmed responses in ovarian carcinoma
– IMA401 MAGEA4/8 Bispecific at ≥1 mg resulted in a 25% cORR (2/8) in head and neck cancer, 29% cORR (2/7) in melanoma and promising clinical activity in sqNSCLC
– Phase 1a dose escalation completed for both trials; data support IMA402 PRAME Bispecific development opportunities in cutaneous melanoma, gynecologic cancers and in combination with IMA401 MAGEA4/8 Bispecific in sqNSCLC
– Phase 1b dose expansion for IMA402 initiated