Study of Trastuzumab Deruxtecan, Pembrolizumab, and Platinum-based Chemotherapy in First-line HER2 Overexpressing Non-small Cell Lung Cancer — StellaPhase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.
Trial locations(100 sites)
United States
Alaska Oncology & Hematology, LLC, Anchorage, Alaska Orange Coast Memorial Medical Center Fountain Valley, Fountain Valley, California California Research Institute, Los Angeles, California Los Angeles Cancer Network (LACN), Los Angeles, California Providence Medical Foundation, Santa Rosa, California Last updated January 2026