An Open-label, Uncontrolled Study of ONO-4578 and ONO-4538 in Combination With Standard-of-care Modified FOLFIRINOX (mFFX) or Gemcitabine Plus Nab-paclitaxel (GnP) Therapy as First-line Treatment in Patients With Metastatic Pancreatic Cancer

National Cancer Center Hospital East, Kashiwa-shi

Kanagawa Cancer Center, Yokohama

Seirei Hamamatsu General Hospital, Hamamatsu

Juntendo University Hospital, Bunkyō-Ku

The University of Tokyo Hospital, Bunkyō-Ku

National Cancer Center Hospital, Chuo Ku

The Cancer Institute Hospital of JFCR, Koto-Ku

Kyorin University Hospital, Mitaka-shi

Keio University Hospital, Shinjuku-Ku