First-in-Human Study of JNJ-74699157 in Participants With Tumors Harboring the KRAS G12C Mutation

The purpose of this study is to determine the maximum tolerated dose (MTD) and recommended Phase 2 dose (RP2D) of JNJ-74699157 in participants with advanced solid tumors harboring a kirsten rat sarcoma virus homolog (KRAS) glycine-to-cysteine (G12C) mutation (Part 1: Dose escalation) and to determine the safety and preliminary antitumor activity of JNJ-74699157 at the RP2D regimen in participants with advanced solid tumors harboring a KRAS G12C mutation (Part 2: Dose expansion).