A Study of NIVO Plus IPI and Guadecitabine or NIVO Plus IPI in Melanoma and NSCLC Resistant to Anti-PD1/PDL1

"Cohort A Melanoma ARM A Guadecitabine: 30-45 mg/m2 s.c./day 1-5 q21 x 4 cycles and from W13 q28 x 6 cycles Ipilimumab: 3 mg/Kg i.v. plus nivolumab 1 mg/Kg i.v. on W1, 4, 7 and 10 and from W14 nivolumab 480 mg i.v. q4 wks for 2 years~Cohort B NSCLC ARM A Guadecitabine: 30-45 mg/m2 s.c./day 1-5 q21 x 4 cycles and from W13 q28 x 6 cycles Ipilimumab: 1 mg/Kg i.v.q 6wks plus nivolumab 3 mg/Kg i.v. q2 wks until W13, then ipilimumab: 1 mg/Kg i.v. q 6wks plus nivolumab 480mg i.v. q4wks for 2 years"

"Cohort A Melanoma ARM B Ipilimumab: 3 mg/Kg i.v. plus nivolumab 1 mg/Kg i.v. on W1, 4, 7 and 10 and from W14 nivolumab 480 mg i.v. q4 wks for 2 years~Cohort B NSCLC ARM B Ipilimumab: 1 mg/Kg i.v. q 6wks plus nivolumab 3 mg/Kg i.v. q2 wks until W13, then ipilimumab: 1 mg/Kg i.v. q6 wks plus nivolumab 480mg i.v. q4wks for 2 years."