Trial

NCT04108858

Testing the Addition of an Anti-cancer Drug, Copanlisib, to the Usual Maintenance Treatment (Trastuzumab and Pertuzumab) After Initial Chemotherapy in a Phase Ib/II Trial for Advanced HER2 Positive Breast Cancer
Phase ITERMINATEDOPERATIONALConfidence: HIGH
Sponsor
National Cancer Institute (NCI)
Collaborators
Condition
Anatomic Stage IV Breast Cancer AJCC v8
Intervention
Copanlisib
Why stopped
Inadequate accrual rate
Provenance
Dataset: 2026-07-02 • Source: ClinicalTrials.gov API v2 • Last update: 2025-10-01