PDCD1 and cancer: Presently, the U.S. Food and Drug Administration (FDA) have authorized the consumption of some mAbs including: cemiplimab (Libtayo), pembrolizumab (Keytruda), avelumab (Bavencio), atezolizumab (Tecentriq), durvalumab (Imfinzi), and nivolumab (Opdivo) for targeting PD‐1 and PD‐L1 in cancer immunotherapy.78, 79, 80