GI indicates gastrointestinal; ICI, immune checkpoint inhibitor; NECs, neuroendocrine carcinomas; NEN, neuroendocrine neoplasm; NETs, neuroendocrine tumors, NR, non-randomized; ORR, objective response rate; OS, overall survival; PFS, progression-free survival; RPI, receptor pathway inhibitor; SSA, somatostatin analog; and VEGF, vascular endothelial growth factor.
aStatistically significant difference between the enrollment periods.