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Active, not recruiting Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Participants With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer (lidERA Breast Cancer)

ClinicalTrials.gov ID: NCT04961996

Public ClinicalTrials.gov record NCT04961996. 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 Oct 18, 2026, 8:24 AM 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 III, Randomized, Open-Label, Multicenter Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Patients With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a Phase III, global, randomized, open-label, multicenter, study evaluating the efficacy and safety of adjuvant giredestrant compared with physician's choice of endocrine therapy in participants with medium- and high-risk Stage I-III histologically confirmed estrogen receptor (ER)-positive and human epidermal growth factor receptor 2 (HER2)-negative early breast cancer.

Study identification

NCT ID
NCT04961996
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Hoffmann-La Roche
Industry
Enrollment
4,170 participants

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
Aug 27, 2021 (Actual)
Primary completion
Aug 8, 2025 (Actual)
Completion
Sep 30, 2033 (Estimated)
Last update posted
Oct 15, 2026

2021 – 2033

United States locations

U.S. sites
72
U.S. states
31
U.S. cities
69
Facility City State ZIP Site status
Southern Cancer Center Daphne Alabama 36526 —
CBCC Global Research Inc., at Comprehensive Blood and Cancer Center Bakersfield California 93309 —
St Joseph Heritage Healthcare Fullerton California 92835 —
Long Beach Memorial Medical Center Long Beach California 90806 —
Cancer and Blood Specialty Clinic-California-Katella Ave Los Alamitos California 90720 —
The Center for Cancer Prevention and Treatment at St.Joseph Hospital of Orange Orange California 92868 —
Kaiser Permanente - San Diego San Diego California 92120 —
Sansum Clinic Santa Barbara California 93105 —
UCLA Hematology/Oncology Santa Monica California 90404 —
Torrance Memorial Physician Network/Cancer Care Torrance California 90505 —
Kaiser Permanente - Vallejo Vallejo California 94589 —
Rocky Mountain Cancer Centers (Longmont) - USOR Longmont Colorado 80501 —
Stamford Hospital Stamford Connecticut 06902 —
Memorial Healthcare System - Memorial Regional Hospital Hollywood Florida 33021 —
Baptist - MD Anderson Cancer Center Jacksonville Florida 32207 —
Mount Sinai Comprehensive Cancer Center Miami Beach Florida 33140 —
University of Chicago Hospital Chicago Illinois 60637 —
Duly Health and Care Tinley Park Illinois 60487 —
Cancer Center of Kansas - Kingman Kingman Kansas 67068 —
University of Kentucky Lexington Kentucky 40536 —
Norton Cancer Institute - MDC Louisville Kentucky 40202 —
Hematology/Oncology Clinic, LLP Baton Rouge Louisiana 70809 —
University Medical Center New Orleans New Orleans Louisiana 70112 —
University of Maryland Towson Maryland 21204 —
Lahey Clinic Med Ctr Burlington Massachusetts 01805 —
Massachusetts General Hospital Lexington Massachusetts 02421 —
University Of Michigan Ann Arbor Michigan 48109 —
Metro-Minnesota Community Oncology Research Consortium Saint Louis Park Minnesota 55426 —
University of Missouri-Columbia Columbia Missouri 65203 —
St. Vincent Frontier Cancer Center Billings Montana 59102 —
Nebraska Cancer Specialists Omaha Nebraska 68130-2042 —
Comprehensive Cancer Centers of Nevada Las Vegas Nevada 89135 —
Hunterdon Hematology Oncology Flemington New Jersey 08822 —
Rutgers Cancer Institute of New Jersey New Brunswick New Jersey 08901 —
New York University Cancer Cen New York New York 10016 —
Stony Brook Univ Cancer Ctr Stony Brook New York 11794 —
Messino Cancer Centers Asheville North Carolina 28806 —
Rex Cancer Center Raleigh North Carolina 27607 —
Atrium Health Wake Forest Baptist Medical Center - PPDS Winston-Salem North Carolina 27157 —
Aultman Hospital Canton Ohio 44710 —
University Hospitals Cleveland Medical Center Cleveland Ohio 44106 —
Columbus NCORP Columbus Ohio 43125 —
Stefanie Spielman Comprehensive Breast Center Columbus Ohio 43212 —
Oncology Associates of Oregon, P.C. Eugene Oregon 97401 —
Kaiser Permanente-Northwest Region Portland Oregon 97227 —
Pinnacle Health Harrisburg Pennsylvania 17109 —
Penn State Univ. Milton S. Hershey Medical Center Hershey Pennsylvania 17033 —
Allegheny Cancer Center Pittsburgh Pennsylvania 15212-4737 —
Magee Womens Hospital Pittsburgh Pennsylvania 15213 —
Reading Hospital West Reading Pennsylvania 19611 —
Women & Infants Hospital Providence Rhode Island 02905 —
Avera Cancer Institute Sioux Falls South Dakota 57105 —
West Cancer Center & Research Institute Germantown Tennessee 38138-1762 —
Sarah Cannon Research Institute / Tennessee Oncology Nashville Tennessee 37203 —
Texas Oncology (Grandview) - USOR El Paso Texas 79902-5113 —
Texas Oncology (Flower Mound) - USOR Flower Mound Texas 75028 —
Texas Oncology-Fort Worth Cancer Center Fort Worth Texas 76104 —
Baylor College of Medicine Medical Center Houston Texas 77030 —
Houston Methodist Cancer Center Houston Texas 77030 —
Joe Arrington Cancer Research & Treatment Center Lubbock Texas 79410 —
Texas Oncology (McAllen) - USOR McAllen Texas 78503 —
USOR - Texas Oncology - San Antonio Northeast San Antonio Texas 78217 —
Texas Oncology (Tyler) - USOR Tyler Texas 75702-8363 —
Texas Oncology (Waco) - USOR Waco Texas 76712 —
Centra Alan B. Pearson Regional Cancer Center Lynchburg Virginia 24501 —
Bon Secours Mercy Health Midlothian Virginia 23114 —
Virginia Oncology Associates Norfolk Virginia 23502 —
Virginia Commonwealth University - Massey Cancer Center Richmond Virginia 23298 —
Oncology and Hematology Associates of Southwest Virginia, Inc.,-Blacksburg Roanoke Virginia 24014 —
Swedish Cancer Institute Seattle Washington 98104 —
West Virginia University Hospitals Inc Morgantown West Virginia 26056 —
University of Wisconsin Madison Wisconsin 53792 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 549 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04961996, 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 Oct 15, 2026 · Synced Oct 18, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04961996 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →