Number of Patients Enrolled	2
Number of Patients Evaluable for Toxicity	2
Number of Patients Evaluated for Efficacy	2
Evaluation Method	RECIST 1.1
Response Assessment CR	n = 0 (0%)
Response Assessment PR	n = 1 (50%)
Response Assessment SD	n = 1 (50%)
Response Assessment PD	n = 0 (0%)
Outcome Notes	Dose level 0	Objective response	TPSa
	Patient 1	PR	≥1%
	Patient 2	–	<1%

Strong positive is ≥50% TPS; positive is ≥1%; negative <1%.

Abbreviations: CR, complete response; PD, progressive disease; PR, partial response; SD, stable disease; TPS, tumor proportion score.