Phase II clinical trial - Appareil Digestif

SCARCE is a non-comparative randomized, 2:1 phase II study. The purpose of this study is to assess the progression-free survival rate at 12 months. (evaluation according with RECISTv1.1 criteria).;For all patients, CT scan will be planned at baseline, and every 8 weeks until 12 months from randomization (or disease progression), and every 12 weeks thereafter.;PET scan will be performed at baseline, at the end of mDCF treatment, and at 12 months after randomization (in absence of disease progression).;CT scan and PET scan will be collected for a centralized review.