“…Anti‐PD‐1 mAbs are represented mainly by nivolumab (OPDIVO, MDX1106, BMS‐936558; Bristol‐Myers Squibb, New York City, NY, USA) – a fully human IgG4 mAb; pembrolizumab (KEYTRUDA, MK‐3475; Merck, Kenilworth, NJ, USA) – a highly selective humanized IgG4 mAb and pidilizumab (MDV9300, CT‐011; Medivation/Pfizer, New York City, NY, USA) – an IgG1 mAb. Within the anti‐PD‐L1 mAbs, the most promising are durvalumab (Celgene, Summit, NJ, USA) and atezolizumab (Roche, Basel, Switzerland), which have just entered the early phases of clinical testing …”