High Dose IL-2 in Combination With Anti-PD-1 to Overcome Anti-PD-1 Resistance in Metastatic Melanoma and Renal Cell Carcinoma

Course length will be 35 days. Subjects will receive 480 mg IV of nivolumab on day 1 of the cycle. The patient will be admitted to UCSD Jacobs Medical center for standard HD IL-2 which will be administered every 8 hrs for up to 14 doses days 8-12 per institutional practice. The patient will be readmitted days 22-28 for HD IL-2 every 8 hrs for up to 14 doses. Nivolumab 480 mg IV will be administered day 35. Scans for response will occur 4 weeks after day 35 nivolumab dose and response will be determined by RECIST 1.1 to determine if the patient will receive the next course.