A Phase 3 Randomized, Open-Label Study of Atebimetinib in Combination With the Modified Gemcitabine and Nab-Paclitaxel Regimen Versus the Standard Gemcitabine and Nab-Paclitaxel Regimen for the Treatment of Patients With Metastatic Pancreatic Ductal Pancreatic Adenocarcinoma Cancer (MAPKeeper 301)

Inclusion Criteria: * Must be ≥18 years of age * Must have confirmed diagnosis according to AJCC staging as follows: * Metastatic pancreatic adenocarcinoma at least 12 weeks prior to screening * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 * Participants must be treatment naive as follows: * First-line PDAC participants will have received no previous systemic anti-cancer therapy * Must have evidence of measurable disease (at least one target lesion) per RECIST v1.1 criteria * Adequate organ function, hepatic function, coagulation studies and protocol determined…