Phase 1/1b open-label, first-in-human study of HER2×CD3×CD28 trispecific T-cell engager (SAR443216) in participants with R/R HER2-expressing solid tumors
Abstract Background SAR443216 is an engineered human trispecific antibody that targets human epidermal growth factor receptor 2 (HER2)-positive (HER2+) cancer cells and activates T cells via co-engagement of cluster of differentiation (CD)3 and CD28. This first-in-human, dose-escalation study evaluated the safety, effi...