Safety, Pharmacokinetics, and Preliminary Efficacy of VIR-5500 (AMX-500) in Prostate Cancer — StellaPhase 1 — Early testing in a small group of people (usually 20–80) to evaluate safety, determine safe dosage, and identify side effects.
Trial locations(9 sites)
United States
Investigational Site Number: 400, Seattle, Washington Australia
Investigational Site Number: 100, Melbourne Investigational Site Number: 101, Sydney Spain
Investigational Site Number: 251, Barcelona Investigational Site Number: 250, Barcelona Investigational Site Number: 254, Madrid Investigational Site Number: 252, Madrid Investigational Site Number: 253, Pamplona United Kingdom
Investigational Site Number: 300, London Last updated February 2026