A Study of Enfortumab Vedotin in People With Urothelial Carcinoma of the Upper Urinary Tract — StellaPhase 2 — Testing in a larger group (up to a few hundred people) to further evaluate safety and begin to assess effectiveness.
Trial locations(8 sites)
United States
Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities), Basking Ridge, New Jersey Memorial Sloan Kettering Monmouth (Limited Protocol Activities), Middletown, New Jersey Memorial Sloan Kettering Bergen (Limited Protocol Activities), Montvale, New Jersey Memorial Sloan Kettering Suffolk - Commack (Limited protocol activities), Commack, New York Memorial Sloan Kettering Westchester (Limited Protocol Activities), Harrison, New York Memorial Sloan Kettering Cancer Center (All Protocol Activities), New York, New York University of Rochester Medical Center (Data Collection Only), Rochester, New York Memorial Sloan Kettering Nassau (Limited protocol activities), Uniondale, New York Last updated February 2026