Has received an investigational drug within 4 weeks prior to Trial drug administration 2. Has received previous therapy for pancreatic cancer including radiation or chemotherapy (except for the primary resection or primary neoadjuvant chemotherapy) 3. Is currently receiving any agent with a known effect on the immune system, unless at dose levels that are not immunosuppressive (e.g. Prednisone at 10 mg/day or less or as inhaled steroid at doses used for the treatment of asthma) 4. Has any othe r serious illnesses or medical conditio ns such as, but not limited to: CT TG01 -01 Version v10.0 27 June 2018 Confidential 15 / 87 • Any uncontrolled infection • Uncontrolled cardiac failure classification III or IV (NY Heart Association) • Uncontrolled systemic and gastro- intestinal inflammatory conditions • Bone marrow dysplasia • History of auto -immune disease • History of adverse reactions to vaccines 5.