RecruitingPhase 2Drug trialA Study Evaluating the Efficacy of 5-FU + NALIRI and 5-FU + NALIRINOX for PDAC (NALPAC)A non-comparative randomized phase 2 study, evaluating the efficacy of 5-FU + NALIRI and 5-FU + NALIRINOX for metastatic pancreatic ductal adenocarcinoma (PDAC), progressive after Gemcitabine-Abraxane or Gemcitabine monotherapy