Trial of Neoadjuvant and Adjuvant Nivolumab and BMS-813160 With or Without GVAX for Locally Advanced Pancreatic Ductal Adenocarcinomas.

SBRT (6.6 Gy over 5 days) will be administered between 2 to 4 weeks after chemotherapy. (Prior to surgery)

Nivolumab (480 mg) will be administered IV over 30 minutes, on day 1 of cycle 1 (within 1 to 2 weeks after SBRT prior to surgery). Post - surgery Nivolumab will be given on Day 1 of cycles 2-5. Cycles are 4 weeks long.

CCR2/CCR5 dual antagonist (150 mg capsules) will be administered orally twice a day, on days 1-28 of cycle 1 (within 1 to 2 weeks after SBRT prior to surgery). Post - surgery CCR2/CCR5 dual antagonist will be given daily on cycles 2-5. Cycles are 4 weeks long.

Vaccine (5x10\^8 cells) will be administered on day 2 of cycle 1 (within 1 to 2 weeks after SBRT prior to surgery). Post - surgery GVAX will be given on Day 2 of cycles 2-5. Cycles are 4 weeks long. Six intradermal injections every 4 weeks.