Table 1.

FDA approved PD1 checkpoint inhibitors

Drug Name	Target	Year FDA Approved	Solid Organ rejections
Nivolumab	PD-1	2014	2 cases (NSCLC, Melanoma)
Pembrolizumab	PD-1	2014	2 cases (SCC, Melanoma)
Atezolizumab	PD-L1	2016	None to date
Avelumab	PD-L1	2017	None to date
Durvalumab	PD-L1	2017	None to date