A Phase 1/2a Clinical Trial of BI-1206, a Monoclonal Antibody to CD32b (FcγRIIB), in Combination With Pembrolizumab in Subjects With Advanced Solid Tumors

This is a Phase 1/2a, multicenter, dose-finding, consecutive-cohort, open-label trial of BI-1206 in combination with pembrolizumab in subjects with advanced solid tumors. The trial will consist of 2 main parts: Phase 1 with 2 different sets of cohorts assessing IV or SC dosing, with dose escalation of BI-1206 and selection of the RP2D of IV dosing (ivRP2D) and the RP2D of SC dosing (scRP2D). Phase 2a with 2 parts: a signal seeking and a dose optimization part. In the signal seeking part, subjects with uveal melanoma and Non-Small Cellular Lung Cancer (NSCLC) will be treated with Pembrolizum…