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ClinicalTrials.gov public records Last synced Oct 11, 2026, 2:06 PM EDT

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Showing 49–72 of 497 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Estrogen Receptor Negative (ER-Negative) Breast Cancer Clear all
Active, not recruiting Phase 3 Interventional

Study of PF-07220060 With Letrozole in Adults With HR-positive HER2-negative Breast Cancer Who Have Not Received Anticancer Treatment for Advanced/Metastatic Disease

NCT06760637
View directory record Official record
Conditions
Breast Cancer
Interventions
PF-07220060, letrozole, abemaciclib, palbociclib, ribociclib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,035 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2037
U.S. locations
218
States / cities
Birmingham, Alabama • Chandler, Arizona • Gilbert, Arizona + 135 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Terminated Phase 2 Interventional Results available

Biology Guided Therapy for Breast Cancer for ER Positive

NCT04965688
View directory record Official record
Conditions
Breast Cancer, Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer
Interventions
Biopsy-Guided Therapy Selection
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Oct 11, 2026, 2:06 PM EDT
Terminated Phase 3 Interventional Results available

A Companion Sample Collection Protocol to Support the Discovery of Breast Cancer Aberrations With Treatment of CDK4/6 Therapy/LEE011/Ribociclib

NCT03050398
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
Sedona, Arizona • Long Beach, California • Charlotte, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated May 28, 2020 · Synced Oct 11, 2026, 2:06 PM EDT
Recruiting Phase 3 Interventional

Phase 3 Study of Gedatolisib as First-Line Treatment for Patients With HR-Positive, HER2-Negative Advanced Breast Cancer (VIKTORIA-2)

NCT06757634
View directory record Official record
Conditions
Breast Cancer
Interventions
Arm A: Gedatolisib + Palbociclib + Fulvestrant, Arm B: Ribociclib + Fulvestrant, Arm C: Gedatolisib + Palbociclib + Letrozole, Arm D: Ribociclib + Letrozole
Drug
Lead sponsor
Celcuity Inc
Industry
Eligibility
18 Years and older
Enrollment
1,180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
30
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Duarte, California + 27 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Phase 2 Interventional Results available

Fulvestrant With or Without Bortezomib in Patients With Inoperable Locally Advanced or Metastatic Estrogen Receptor Positive Breast Cancer

NCT01142401
View directory record Official record
Conditions
Metastatic Breast Carcinoma, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Bortezomib, Fulvestrant, Laboratory Biomarker Analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
21
States / cities
Farmington, Connecticut • New Haven, Connecticut • Weston, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Oct 11, 2026, 2:06 PM EDT
Terminated Phase 2 Interventional Results available

Trial of RAD001 in Triple Negative Metastatic Breast Cancer

NCT00827567
View directory record Official record
Conditions
Breast Cancer
Interventions
RAD 001
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 13, 2014 · Synced Oct 11, 2026, 2:06 PM EDT
Not listed Phase 2 Interventional

Preoperative Chemotherapy in Triple Negative Invasive Breast Cancer That Can be Removed by Surgery.

NCT00777673
View directory record Official record
Conditions
Breast Cancer
Interventions
Bevacizumab, nab-paclitaxel, carboplatin, doxorubicin hydrochloride, cyclophosphamide, PEG-Filgrastim
Drug
Lead sponsor
University of Tennessee Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
3
States / cities
Memphis, Tennessee • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2013 · Synced Oct 11, 2026, 2:06 PM EDT
Terminated Phase 2 Interventional Results available

Efficacy Study of Dasatinib in Locally Advanced Triple-Negative Breast Cancer Patients

NCT00817531
View directory record Official record
Conditions
Breast Cancer
Interventions
Dasatinib
Drug
Lead sponsor
Baylor Breast Care Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 31, 2012 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Phase 3 Interventional

Octreotide, Tamoxifen, and Chemotherapy in Treating Women With Breast Cancer

NCT00002967
View directory record Official record
Conditions
Breast Cancer
Interventions
cyclophosphamide, doxorubicin hydrochloride, octreotide pamoate, tamoxifen citrate
Drug
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2006
U.S. locations
106
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 87 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2013 · Synced Oct 11, 2026, 2:06 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

A Study of Novel Anti-cancer Agents in Patients With Metastatic Triple Negative Breast Cancer

NCT03742102
View directory record Official record
Conditions
Triple Negative Breast Neoplasms
Interventions
Durvalumab, Capivasertib, Oleclumab, Paclitaxel, Trastuzumab deruxtecan, Datopotamab deruxtecan
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
8
States / cities
Tucson, Arizona • Columbia, Maryland • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Phase 1 Interventional

Vaccine Therapy With or Without Sirolimus in Treating Patients With NY-ESO-1 Expressing Solid Tumors

NCT01522820
View directory record Official record
Conditions
Anaplastic Astrocytoma, Anaplastic Oligoastrocytoma, Anaplastic Oligodendroglioma, Estrogen Receptor Negative, Estrogen Receptor Positive, Glioblastoma, Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma, Metastatic Renal Cell Cancer, Recurrent Adult Brain Neoplasm, Recurrent Bladder Carcinoma, Recurrent Breast Carcinoma, Recurrent Colorectal Carcinoma, Recurrent Esophageal Carcinoma, Recurrent Gastric Carcinoma, Recurrent Hepatocellular Carcinoma, Recurrent Lung Carcinoma, Recurrent Melanoma, Recurrent Ovarian Carcinoma, Recurrent Prostate Carcinoma, Recurrent Renal Cell Carcinoma, Recurrent Uterine Corpus Carcinoma, Resectable Hepatocellular Carcinoma, Sarcoma, Stage IA Breast Cancer, Stage IA Ovarian Cancer, Stage IA Uterine Corpus Cancer, Stage IB Breast Cancer, Stage IB Ovarian Cancer, Stage IB Uterine Corpus Cancer, Stage IC Ovarian Cancer, Stage II Uterine Corpus Cancer, Stage IIA Breast Cancer, Stage IIA Lung Carcinoma, Stage IIA Ovarian Cancer, Stage IIB Breast Cancer, Stage IIB Esophageal Cancer, Stage IIB Lung Carcinoma, Stage IIB Ovarian Cancer, Stage IIB Skin Melanoma, Stage IIC Ovarian Cancer, Stage IIC Skin Melanoma, Stage IIIA Breast Cancer, Stage IIIA Esophageal Cancer, Stage IIIA Lung Carcinoma, Stage IIIA Ovarian Cancer, Stage IIIA Skin Melanoma, Stage IIIA Uterine Corpus Cancer, Stage IIIB Breast Cancer, Stage IIIB Esophageal Cancer, Stage IIIB Ovarian Cancer, Stage IIIB Skin Melanoma, Stage IIIB Uterine Corpus Cancer, Stage IIIC Breast Cancer, Stage IIIC Esophageal Cancer, Stage IIIC Ovarian Cancer, Stage IIIC Skin Melanoma, Stage IIIC Uterine Corpus Cancer, Stage IV Bladder Urothelial Carcinoma, Stage IV Esophageal Cancer, Stage IV Ovarian Cancer, Stage IV Prostate Cancer, Stage IV Skin Melanoma, Stage IVA Uterine Corpus Cancer, Stage IVB Uterine Corpus Cancer
Interventions
DEC-205/NY-ESO-1 Fusion Protein CDX-1401, Laboratory Biomarker Analysis, Pharmacological Study, Sirolimus
Biological · Other · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 4, 2016 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Not applicable Interventional

The Effect of an Exercise Program in Breast Cancer Patients With Joint Pain While Taking Aromatase Inhibitors.

NCT02057536
View directory record Official record
Conditions
Women With ER Positive Breast Cancer Taking (AI) w Joint Discomfort and Stiffness
Interventions
Arm A Directed exercise program, Observation
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
40 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Oct 11, 2026, 2:06 PM EDT
Not listed Phase 1Phase 2 Interventional

ER+/HER2- Locally Advanced or Metastatic Breast Cancer (ENZENO Study)

NCT04669587
View directory record Official record
Conditions
Estrogen Receptor-Positive, HER2-Negative, Locally Advanced Breast Cancer, Metastatic Breast Cancer
Interventions
ZB716, Palbociclib
Drug
Lead sponsor
EnhancedBio USA Inc.
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 22, 2022 · Synced Oct 11, 2026, 2:06 PM EDT
Active, not recruiting Phase 2 Interventional

Levels of Circulating Tumor DNA as a Predictive Marker for Early Switch in Treatment for Patients With Metastatic (Stage IV) Breast Cancer

NCT05826964
View directory record Official record
Conditions
Breast Cancer, ER-positive Breast Cancer, HER2-negative Breast Cancer, Metastatic Breast Cancer
Interventions
AI+CDK4/6i, SERD+CDK4/6i, mTOR inhibitor + AI, mTOR inhibitor + SERD, mTOR inhibitor + Selective estrogen receptor modulator, PI3K inhibitor + SERD, PI3K inhibitor + AI, Chemotherapy, Oral SERD, PARPi, AKT inhibitor, Step 3 Arm 2
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Phase 1 Interventional Results available

A Study of LY3484356 in Women With Breast Cancer Before Having Surgery

NCT04647487
View directory record Official record
Conditions
Breast Cancer
Interventions
LY3484356
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
8
States / cities
Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 11, 2026, 2:06 PM EDT
Recruiting Phase 3 Interventional

Testing Whether Hormone Therapy With Ribociclib is as Effective as Chemotherapy Followed by Hormone Therapy With Ribociclib for the Treatment of High Anatomic Stage Breast Cancer With Low Recurrence Risk, The RxFINE-Low Trial

NCT07391774
View directory record Official record
Conditions
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Estrogen Receptor-Positive Breast Carcinoma, HER2-Negative Breast Carcinoma
Interventions
Anastrozole, Biospecimen Collection, Bone Scan, Chemotherapy, Computed Tomography, Exemestane, Letrozole, Oncotype DX Breast Cancer Assay, Positron Emission Tomography, Ribociclib Succinate
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
1,978 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
201
States / cities
Jonesboro, Arkansas • Auburn, California • Berkeley, California + 167 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Active, not recruiting Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Giredestrant Plus Everolimus Compared With the Physician's Choice of Endocrine Therapy Plus Everolimus in Participants With Estrogen Receptor-Positive, HER2-Negative, Locally Advanced or Metastatic Breast Cancer (evERA Breast Cancer)

NCT05306340
View directory record Official record
Conditions
Estrogen Receptor (ER)-Positive, HER2-negative, Locally Advanced or Metastatic Breast Cancer
Interventions
Giredestrant, Exemestane, Fulvestrant, Tamoxifen, Everolimus, LHRH Agonist, Dexamethasone Mouth Rinse
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
55
States / cities
Anchorage, Alaska • Tucson, Arizona • Little Rock, Arkansas + 47 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Phase 2 Interventional Results available

Combination Chemotherapy and Filgrastim Before Surgery in Treating Patients With HER2-Positive Breast Cancer That Can Be Removed By Surgery

NCT00194779
View directory record Official record
Conditions
Estrogen Receptor-negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, HER2-positive Breast Cancer, Progesterone Receptor-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer
Interventions
doxorubicin hydrochloride, cyclophosphamide, paclitaxel, filgrastim, capecitabine, methotrexate, vinorelbine tartrate, needle biopsy, therapeutic conventional surgery, immunohistochemistry staining method, trastuzumab, tamoxifen citrate, letrozole, laboratory biomarker analysis
Drug · Biological · Procedure + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Oct 11, 2026, 2:06 PM EDT
Active, not recruiting Phase 1 Interventional Results available

A Study of H3B-6545 in Combination With Palbociclib in Women With Advanced or Metastatic Estrogen Receptor-Positive Human Epidermal Growth Factor Receptor-2 (HER2)-Negative Breast Cancer

NCT04288089
View directory record Official record
Conditions
Receptors, Estrogen, Genes, Erbb-2, Breast Neoplasms
Interventions
Palbociclib (75, 100, 125 milligram [mg]), H3B-6545 (150, 300, 450 mg)
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
5
States / cities
Sarasota, Florida • Boston, Massachusetts • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Active, not recruiting Phase 3 Interventional Results available

S1207 Hormone Therapy With or Without Everolimus in Treating Patients With Breast Cancer

NCT01674140
View directory record Official record
Conditions
Breast Cancer
Interventions
anastrozole, everolimus, exemestane, goserelin acetate, letrozole, leuprolide acetate, tamoxifen citrate, placebo
Drug · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
1,939 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
1455
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 887 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Not applicable Interventional Results available

Pre-Surgical Intervention for Targeted Therapies for Breast Cancer

NCT01004744
View directory record Official record
Conditions
Invasive Breast Cancer
Interventions
Anastrozole
Drug
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Oct 11, 2026, 2:06 PM EDT
Recruiting Phase 2 Interventional

A Study on Adding Precisely Targeted Radiation Therapy (Stereotactic Body Radiation Therapy) to the Usual Treatment Approach (Drug Therapy) in People With Breast Cancer

NCT05534438
View directory record Official record
Conditions
Oligometastatic Breast Carcinoma, Breast Cancer, Metastatic Breast Cancer, Metastatic Breast Carcinoma, ER+ Breast Cancer, HER2+ Breast Cancer
Interventions
Stereotactic body radiotherapy
Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
8
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 11, 2026, 2:06 PM EDT
Completed Phase 2 Interventional Results available

A Phase II Study of Everolimus in Combination With Exemestane Versus Everolimus Alone Versus Capecitabine in Advance Breast Cancer.

NCT01783444
View directory record Official record
Conditions
Breast Cancer
Interventions
Capecitabine, Exemestane, Everolimus
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
19
States / cities
Los Angeles, California • San Diego, California • Fort Myers, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2021 · Synced Oct 11, 2026, 2:06 PM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

NCT07062965
View directory record Official record
Conditions
Breast Cancer
Interventions
PF-07248144, Fulvestrant, Everolimus, Exemestane
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
102
States / cities
Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 85 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 11, 2026, 2:06 PM EDT