Table 2.

Response to the second course of immunotherapy in patients who had disease progression.

Study	N. Patients Retreated	ORR, %	DCR, %
Keynote 006 [1]	13	54	77
van Zeijl [23]	27	30	63
Pokorny [24]	8	25	87
Betof Warner [25]	78	21	-
Jansen [22]	19	32	58
Asher [26]	19	47	68
Valentin [27]	9	-	66
Nomura [29]	8	25	62
Blasig [30]	8	12.5	50