Table 1.

Baseline characteristics and best response to the study treatment

	Single agent OH2 (n=40)	OH2 with HX008 (n=14)
Median age at entry, years (range)	55 (27–73)	53 (36–64)
Male	30 (75.0%)	10 (71.4%)
Tumor types
Esophageal cancer	14	3
Colorectal (including appendix) cancer	12	6
Gastric cancer	5	5
Melanoma and other skin cancer	4	0
Head and neck cancer	2	0
Cholangiocarcinoma	1	0
Ovarian cancer	1	0
Breast cancer	1	0
Prior treatment with anti-PD-1 antibodies	10 (25.0%)	1 (7.1%)
Best response (iRECIST)
iPR	2	2
iSD	9	4
iUPD	22	6

iPR, immune-partial response; iRECIST, immune-Response Evaluation Criteria in Solid Tumors; iSD, immune-stable disease; iUPD, immune-unconfirmed progressive disease; PD-1, programmed cell death protein 1.