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
Public ClinicalTrials.gov record NCT04108858. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Phase Ib/II Trial of Copanlisib in Combination With Trastuzumab and Pertuzumab After Induction Treatment of HER2 Positive (HER2+) Metastatic Breast Cancer (MBC) With PIK3CA Mutation or PTEN Mutation
Study identification
- NCT ID
- NCT04108858
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Enrollment
- 2 participants
Conditions and interventions
Conditions
Interventions
- Copanlisib Drug
- Pertuzumab Biological
- Trastuzumab Biological
Drug · Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 19, 2021
- Primary completion
- Apr 28, 2022
- Completion
- Apr 28, 2022
- Last update posted
- Sep 30, 2025
2021 – 2022
United States locations
- U.S. sites
- 5
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Los Angeles County-USC Medical Center | Los Angeles | California | 90033 | — |
| USC / Norris Comprehensive Cancer Center | Los Angeles | California | 90033 | — |
| UCHealth University of Colorado Hospital | Aurora | Colorado | 80045 | — |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | — |
| M D Anderson Cancer Center | Houston | Texas | 77030 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04108858, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 30, 2025 · Synced May 18, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04108858 live on ClinicalTrials.gov.