Number of Patients Enrolled	7
Number of Patients Evaluable for Toxicity	7
Number of Patients Evaluated for Efficacy	7
Evaluation Method	RECIST 1.1
Response Assessment CR	n = 1 (14.3%)
Response Assessment PR	n = 3 (42.9%)
Response Assessment SD	n = 2 (28.6%)
Response Assessment PD	n = 0 (0%)
Response Assessment OTHER	n = 1 (14.3%)
Outcome Notes	Dose level −1	Objective response	TPSa
	Patient 3	CR	≥50%
	Patient 4	–	≥50%
	Patient 5	PR	≥1%
	Patient 6	–	≥1%
	Patient 7	–	≥1%
	Patient 8	PR	<1%
	Patient 9	PR	Not evaluable

^a 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.