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ClinicalTrials.gov public records Last synced Jun 11, 2026, 4:24 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Hormone Receptor-positive Breast Cancer Clear all
Completed Phase 1Phase 2 Interventional

Study of XL147 (SAR245408) or XL765 (SAR245409) in Combination With Letrozole in Subjects With Breast Cancer

NCT01082068
View directory record Official record
Conditions
Breast Cancer
Interventions
XL147 (SAR245408), XL765 (SAR245409), letrozole (Femara)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
11
States / cities
Los Angeles, California • Denver, Colorado • Fort Meyers, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2016 · Synced Jun 11, 2026, 4:24 AM EDT
Recruiting Phase 3 Interventional

A Study of Dato-DXd in Inoperable or Metastatic Hormone Receptor-positive, HER2 IHC 0 Breast Cancer

NCT07205822
View directory record Official record
Conditions
Breast Cancer
Interventions
Dato-DXd
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
Largo, Florida • Fort Wayne, Indiana • Omaha, Nebraska + 3 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Terminated Phase 1 Interventional Results available

A Study of Ipatasertib Plus Palbociclib and Fulvestrant Versus Placebo Plus Palbociclib and Fulvestrant in Hormone Receptor Positive and HER2 Negative Locally Advanced Unresectable or Metastatic Breast Cancer

NCT04060862
View directory record Official record
Conditions
Breast Cancer
Interventions
Ipatasertib, Placebo, Palbociclib, Fulvestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
5
States / cities
Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Jun 11, 2026, 4:24 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Pembrolizumab in Treating Patients With Hormone Receptor Positive, Localized Inflammatory Breast Cancer Who Are Receiving Hormone Therapy and Did Not Achieve a Pathological Complete Response to Chemotherapy

NCT02971748
View directory record Official record
Conditions
Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Breast Inflammatory Carcinoma, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8
Interventions
Pembrolizumab
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Completed Phase 3 Interventional Results available

Luteal vs Follicular Surgical Oophorectomy and Tamoxifen in Premenopausal Women With Metastatic Hormone Receptor Positive Breast Cancer

NCT00293540
View directory record Official record
Conditions
Breast Cancer
Interventions
oophorectomy, Tamoxifen
Procedure · Drug
Lead sponsor
International Breast Cancer Research Foundation
Other
Eligibility
18 Years and older · Female only
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 26, 2016 · Synced Jun 11, 2026, 4:24 AM EDT
Completed Phase 2 Interventional Results available

Study Assessing the Efficacy and Safety of Alpelisib Plus Fulvestrant or Letrozole, Based on Prior Endocrine Therapy, in Patients With PIK3CA Mutant, HR+, HER2- Advanced Breast Cancer Who Have Progressed on or After Prior Treatments

NCT03056755
View directory record Official record
Conditions
Breast Cancer
Interventions
Alpelisib, Fulvestrant, Letrozole, Goserelin, Leuprolide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 99 Years
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
25
States / cities
Gilbert, Arizona • Phoenix, Arizona • Anaheim, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Terminated Phase 3 Interventional Results available

A Phase III Study of BKM120 With Fulvestrant in Patients With HR+,HER2-, AI Treated, Locally Advanced or Metastatic Breast Cancer Who Progressed on or After mTORi

NCT01633060
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Fulvestrant, BKM120, BKM120 matching placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
37
States / cities
Mobile, Alabama • Chandler, Arizona • Fayetteville, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Jun 11, 2026, 4:24 AM EDT
Completed Phase 2 Interventional

Exemestane Plus Goserelin in Treating Premenopausal Women With Metastatic Breast Cancer

NCT00010010
View directory record Official record
Conditions
Breast Cancer
Interventions
exemestane, goserelin acetate
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 120 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2016 · Synced Jun 11, 2026, 4:24 AM EDT
Active, not recruiting Phase 2 Interventional

Study for Participants Continuing From Pfizer-sponsored Palbociclib (a Study Medicine) Studies

NCT05226871
View directory record Official record
Conditions
Breast Cancer, Head and Neck Cancer
Interventions
Palbociclib, Cetuximab, Fulvestrant, Letrozole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Jun 11, 2026, 4:24 AM EDT
Recruiting Phase 1Phase 2 Interventional

Phase 1/2 Study of ETX-636 in Participants With Advanced Solid Tumors

NCT06993844
View directory record Official record
Conditions
Advanced Solid Tumors, Advanced Breast Cancer
Interventions
ETX-636 dose escalation, ETX-636 dose escalation in combination with fulvestrant, ETX-636 dose expansion in combination with fulvestrant
Drug
Lead sponsor
Ensem Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
10
States / cities
Newport Beach, California • San Francisco, California • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Active, not recruiting Phase 1 Interventional

A Study to Examine the Safety of Different Doses of BG-68501 Given to Participants With Advanced-Stage Tumors

NCT06257264
View directory record Official record
Conditions
Breast Cancer, Small Cell Lung Cancer, Ovarian Cancer, Gastric Cancer, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive HER-2 Negative Breast Cancer, Advanced Solid Tumor, Endometrial Cancer, Prostate Cancer, TNBC - Triple-Negative Breast Cancer, GastroEsophageal Cancer, Bladder Cancer
Interventions
BG-68501, Fulvestrant, BGB-43395
Drug
Lead sponsor
BeiGene
Industry
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
6
States / cities
Newport Beach, California • Lake Mary, Florida • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Exemestane With Sunitinib (SUTENT®) in Metastatic Breast Cancer

NCT00905021
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Exemestane, Sutent
Drug
Lead sponsor
Baylor Breast Care Center
Other
Eligibility
18 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Jun 11, 2026, 4:24 AM EDT
Recruiting Phase 2 Interventional

Functional Imaging in Prediction of Response to Abemaciclib for Advanced Hormone Receptor-Positive, HER2-Negative Breast Cancer

NCT06179303
View directory record Official record
Conditions
Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Locally Advanced Unresectable HER2-Negative Breast Carcinoma, Locally Advanced Unresectable Hormone Receptor-Positive Breast Carcinoma, Metastatic HER2-Negative Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma
Interventions
Abemaciclib, Anastrozole, Biospecimen Collection, Computed Tomography, Diagnostic Imaging Testing, Exemestane, Fludeoxyglucose F-18, Fluorine F 18 Fluoro Furanyl Norprogesterone, Fulvestrant, Gonadotropin-releasing Hormone Analog, Letrozole, Positron Emission Tomography, Tamoxifen, Therapeutic Estradiol
Drug · Procedure · Other + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
St Louis, Missouri • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Completed No phase listed Observational Results available

Treatment Patterns and Clinical Outcomes Among Patients With HR+/HER2- mBC Receiving Palbociclib Combination Therapy in the US Community Oncology Setting.

NCT04460911
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Jun 11, 2026, 4:24 AM EDT
Active, not recruiting Phase 3 Interventional

Phase III Study to Assess AZD9833+ CDK4/6 Inhibitor in HR+/HER2-MBC With Detectable ESR1m Before Progression (SERENA-6)

NCT04964934
View directory record Official record
Conditions
ER-Positive HER2-Negative Breast Cancer
Interventions
AZD9833, AZD9833 Placebo, Anastrozole, Anastrozole placebo, Letrozole, Letrozole placebo, Palbociclib, Abemaciclib, Luteinizing hormone-releasing hormone (LHRH) agonist, Ribociclib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
65
States / cities
Phoenix, Arizona • Hot Springs, Arkansas • Little Rock, Arkansas + 57 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Recruiting Not applicable Interventional

A Study of the TheraBionic P1 Device in Breast Cancer

NCT07218432
View directory record Official record
Conditions
Breast Cancer Stage I, Breast Cancer Stage II, Breast Cancer Stage IIIA, Hormone Receptor Positive Tumor, HER2-negative Breast Cancer
Interventions
TheraBionic P1 Device
Device
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
22 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
8
States / cities
Clarkston, Michigan • Detroit, Michigan • Farmington Hills, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Terminated Phase 1 Interventional Results available

A Dose Escalation Study Evaluating the Safety and Tolerability of GDC-0032 in Participants With Locally Advanced or Metastatic Solid Tumors or Non-Hodgkin's Lymphoma (NHL) and in Combination With Endocrine Therapy in Locally Advanced or Metastatic Hormone Receptor-Positive Breast Cancer

NCT01296555
View directory record Official record
Conditions
Solid Cancers, Non-Hodgkin's Lymphoma
Interventions
Fulvestrant, GDC-0032, Letrozole, Midazolam
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
674 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
27
States / cities
Scottsdale, Arizona • Tucson, Arizona • Orange, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Jun 11, 2026, 4:24 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Study to Assess Safety, Pharmacokinetics, and Efficacy of Oral CC-223 for Patients With Advanced Solid Tumors, Non-Hodgkin Lymphoma or Multiple Myeloma

NCT01177397
View directory record Official record
Conditions
Multiple Myeloma, Diffuse Large B-Cell Lymphoma, Glioblastoma Multiforme, Hepatocellular Carcinoma, Non-Small Cell Lung Cancer, Neuroendocrine Tumors of Non-Pancreatic Origin, Hormone Receptor-Positive Breast Cancer
Interventions
CC-223
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years and older
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
10
States / cities
Los Angeles, California • San Francisco, California • Tampa, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2022 · Synced Jun 11, 2026, 4:24 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Pharmacokinetic and Randomized Trial of Neoadjuvant Treatment With Anastrozole Plus AZD0530 in Postmenopausal Patients With Hormone Receptor Positive Breast Cancer

NCT01216176
View directory record Official record
Conditions
Breast Cancer
Interventions
Anastrozole, AZD0530 (saracatinib), Placebo
Drug
Lead sponsor
Joyce Marie Slingerland, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
2
States / cities
Palo Alto, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Jun 11, 2026, 4:24 AM 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 5, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Withdrawn Phase 1Phase 2 Interventional

Study of NUV-422 in Combination With Fulvestrant in Patients With HR+HER2- aBC

NCT05191004
View directory record Official record
Conditions
Advanced Breast Cancer, Metastatic Breast Cancer, Breast Cancer, Breast Carcinoma, Cancer of the Breast, Cancer of Breast, Malignant Tumor of Breast, Breast Tumor
Interventions
NUV-422, Fulvestrant
Drug
Lead sponsor
Nuvation Bio Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
5
States / cities
Anaheim, California • Fountain Valley, California • Canton, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Jun 11, 2026, 4:24 AM EDT
Recruiting Not applicable Interventional

Treatment Monitoring of Patients Receiving CDK 4/6 Inhibitors for Hormone Receptor (HR) Positive, HER2 Negative Metastatic Breast Cancer (MBC) With or Without the Addition of DiviTum® Serum Thymidine Kinase 1 (TK1) Activity Testing

NCT04968964
View directory record Official record
Conditions
Breast Cancer, Cancer of the Breast
Interventions
DiviTum® TKa assay, Study Care Plans
Device · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Not yet recruiting Phase 2 Interventional

ARX788 for Treating Patients With HER2-low Locally Advanced Unresectable or Metastatic Breast Cancer

NCT06224673
View directory record Official record
Conditions
HER2 Low Breast Carcinoma, Triple Negative Breast Cancer, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive Breast Carcinoma
Interventions
ARX788, Computed Tomography (CT), Biospecimen Collection, Amiloride
Drug · Procedure
Lead sponsor
Laura Huppert, MD, BA
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jun 11, 2026, 4:24 AM EDT
Terminated Phase 2 Interventional Results available

Study of Radium-223 Dichloride Versus Placebo and Hormonal Treatment as Background Therapy in Subjects With Bone Predominant HER2 (Human Epidermal Growth Factor Receptor 2) Negative Hormone Receptor Positive Metastatic Breast Cancer

NCT02258464
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Placebo (saline), Background hormonal therapy
Drug · Other
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Female only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
11
States / cities
Bakersfield, California • La Jolla, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2020 · Synced Jun 11, 2026, 4:24 AM EDT