- Conditions
- Advanced Solid Tumors, HER2-positive Breast Cancer
- Interventions
- ZN-A-1041, ZN-A-1041 + T-DM1 3.6 mg/kg iv. for Phase 1b, ZN-A-1041 + T-Dxd 5.4 mg/kg iv. for Phase 1b, ZN-A-1041 + PHESGO / Herceptin plus Perjeta injection for Phase 1b, ZN-A-1041 + T-DM1 3.6 mg/kg iv. for Phase 1c, ZN-A-1041 + T-Dxd 5.4 mg/kg iv. for Phase 1c, ZN-A-1041 + PHESGO / Herceptin plus Perjeta injection for Phase 1c
- Drug
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 210 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2027
- U.S. locations
- 8
- States / cities
- Tucson, Arizona • Cerritos, California • San Francisco, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced May 21, 2026, 8:22 PM EDT