– End-of-Phase 2 interactions with FDA complete; scientific advice received from EMA – – Company expects to dose first patient in global Phase 3 registrational trial, MAPKeeper 301, in mid-2026 – – Overall survival update for Phase 2a trial of atebimetinib + mGnP in first-line pancreatic cancer patients planned in coming weeks – NEW YORK, Dec. 17, 2025 (GLOBE NEWSWIRE) -- Immuneering Corporation (Nasdaq: IMRX), a late-stage clinical oncology company focused on keeping cancer patients alive and helping them thrive, today announced that it is on track to dose the first patient in its planned global Phase 3 registrational trial in first line pancreatic cancer patients in mid-2026, evaluating atebimetinib (320 mg QD) in combination with modified gemcitabine and nab-paclitaxel (mGnP), compared with gemcitabine and nab-paclitaxel (GnP) alone. Notably, the company completed its End-of-Phase 2 (EOP2) interactions with the U.S. Food and Drug Administration (FDA) and received scientific advice from the European Medicines Agency (EMA).