First-in-Human Phase I Study of Aprutumab Ixadotin, a Fibroblast Growth Factor Receptor 2 Antibody–Drug Conjugate (BAY 1187982) in Patients with Advanced Cancer

Fibroblast growth factor receptor (FGFR) 2 is overexpressed in several tumor types, including triple-negative breast cancer and gastric cancer, both of which have a high unmet medical need. Aprutumab ixadotin (BAY 1187982) is the first antibody-drug conjugate (ADC) to target FGFR2 and the first to use a novel auristatin-based payload.This first-in-human trial was conducted to determine the safety, tolerability, and maximum tolerated dose (MTD)...