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Withdrawn Phase 1Phase 2 Interventional

A Study of a New Drug Combination, Copanlisib and Fulvestrant, in Advanced Breast Cancer

ClinicalTrials.gov ID: NCT03803761

Public ClinicalTrials.gov record NCT03803761. 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.

ClinicalTrials.gov public records Last synced May 7, 2026, 12:11 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2 Study of Copanlisib (BAY 80-6946) in Combination With Fulvestrant in Patients With Metastatic Breast Cancer Progressing After Aromatase Inhibitor Plus CDK 4/6 Inhibitor

Study identification

NCT ID
NCT03803761
Recruitment status
Withdrawn
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
National Cancer Institute (NCI)
NIH
Enrollment
Not listed

Conditions and interventions

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
Feb 12, 2019
Primary completion
Feb 18, 2022
Completion
Feb 18, 2022
Last update posted
Sep 24, 2023

2019 – 2022

United States locations

U.S. sites
7
U.S. states
7
U.S. cities
7
Facility City State ZIP Site status
University of California Davis Comprehensive Cancer Center Sacramento California 95817
Beth Israel Deaconess Medical Center Boston Massachusetts 02215
NYP/Weill Cornell Medical Center New York New York 10065
UNC Lineberger Comprehensive Cancer Center Chapel Hill North Carolina 27599
Ohio State University Comprehensive Cancer Center Columbus Ohio 43210
University of Texas Medical Branch Galveston Texas 77555-0565
Virginia Commonwealth University/Massey Cancer Center Richmond Virginia 23298

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 NCT03803761, 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 24, 2023 · Synced May 7, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03803761 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →