Revolution Medicines(US:RVMD) Globenewswireยท2025-09-10 20:02Core Insights - Daraxonrasib shows promising clinical activity and durability in treating metastatic pancreatic ductal adenocarcinoma (PDAC) [1][2] - The company plans to initiate a three-arm Phase 3 trial in Q4 2025 to further evaluate daraxonrasib's efficacy [1][8] Clinical Data Summary - Long-term follow-up data for daraxonrasib monotherapy in second-line metastatic PDAC indicates a confirmed objective response rate (ORR) of 35% for RAS G12X mutation and 29% for any RAS mutation, with a disease control rate (DCR) of 92% and 95% respectively [5] - Median progression-free survival (PFS) was reported at 8.5 months and 8.1 months, while median overall survival (OS) was 13.1 months and 15.6 months [5] - In first-line treatment, daraxonrasib monotherapy showed an ORR of 47% and a DCR of 89% with a median follow-up of 9.3 months [5] Safety Profile - Daraxonrasib was generally well tolerated in both second-line and first-line settings, with no new safety signals identified [5][14] - The mean dose intensity for daraxonrasib was 85% in second-line and 81% in combination with chemotherapy [5][14] Combination Therapy Insights - The combination of daraxonrasib with Gemcitabine nab-Paclitaxel (GnP) demonstrated an ORR of 55% and a DCR of 90% with a median follow-up of 6.9 months [14] - The company aims to leverage the antitumor contribution of chemotherapy while maintaining sufficient dose intensity for daraxonrasib [6][14] Future Development Plans - The ongoing Phase 3 registrational trial, RASolute 302, is expected to complete global enrollment this year, with data readout anticipated in 2026 [5] - The planned RASolute 303 trial will evaluate daraxonrasib monotherapy and its combination with GnP against a control arm [8]