- Conditions
- Uterine Neoplasms, Uterine Cervical Neoplasms, Biliary Tract Neoplasms, Urologic Neoplasms, Carcinoma, Non-Small-Cell Lung, HER2 Mutations Breast Neoplasms
- Interventions
- tucatinib, trastuzumab, fulvestrant
- Drug
- Lead sponsor
- Seagen, a wholly owned subsidiary of Pfizer
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 217 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 75
- States / cities
- Phoenix, Arizona • Tempe, Arizona • Tucson, Arizona + 47 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced May 22, 2026, 12:01 AM EDT