Overview A Study of JNJ-87890387 for Advanced Solid Tumors Status: Recruiting Trial end date: 2026-09-11 Target enrollment: Participant gender: Summary The purpose of this study is to determine recommended phase 2 dose(s) (RP2Ds) of JNJ-87890387 and to determine the safety of JNJ-87890387 at the RP2D(s). Phase: Phase 1 Details Lead Sponsor: Janssen Research & Development, LLC