- History of any one of the following cardiovascular conditions within the past 6 months: class III or IV heart failure as defined by the New York Heart Association (NYHA), cardiac angioplasty or stenting, myocardial infarction, or unstable angina; history of other clinically significant cardiac disease that, in the opinion of the PI or designee, is a contraindication to lymphodepleting chemotherapy, JCAR014 infusion, or durvalumab infusion is also excluded