NCT Number: NCT04071236 Phase: PHASE1|PHASE2 Trial Summary: This phase I/II trial studies the best dose of M3814 when given together with radium-223 dichloride or with radium-223 dichloride and avelumab and to see how well they work in treating patients with c – clinicaltrials.gov for more information and locations Clinicaltrials.gov Trial Sponsor(s): Complement Theory Inc. Acronym: