While NG ( Nab-paclitaxel + gemcitabine) is one of the preferred first-line chemotherapy for metastatic pancreatic cancer, we have to investigate possible therapeutic options after NG regimen. In this single arm, open-label clinical trial, metastatic pancreatic cancer patients will be received donafenib and S-1. Treatment repeats every 3 weeks until the disease recurrence or unacceptable toxicity, death or begin a novel therapeutic.~The efficacy and safety data will be assessed through OS, ORR, DCR, PFS,TTP and adverse effects as graded by NCI CTC-AE 5.0.
This is a single arm, open label Phase II clinical trial to evaluate the efficacy and safety of donafenib combined with S-1 in treating Patients with metastatic pancreatic cancer after chemotherapy with Nab-paclitaxel plus gemcitabine regimen.