A Study of GSK5458514 Administered Alone or In Combination With Other Anti-Cancer Agents in Participants With 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(5 sites)
United States
GSK Investigational Site, Denver, Colorado GSK Investigational Site, Nashville, Tennessee Canada
GSK Investigational Site, Montreal, Quebec Japan
GSK Investigational Site, Tokyo GSK Investigational Site, Tokyo Last updated September 2025