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ClinicalTrials.gov public records Last synced Oct 2, 2026, 9:28 PM EDT

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Showing 49–72 of 403 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Estrogen Receptor and/or Progesterone Receptor Positive Clear all
Recruiting Phase 2 Interventional

Single Cell Immune and Non-immune Correlates of Response to Neoadjuvant Abemaciclib

NCT04614194
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Abemaciclib
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Active, not recruiting Phase 2 Interventional

Efficacy and Safety of 500mg of Fulvestrant

NCT00585507
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2027
U.S. locations
5
States / cities
Boston, Massachusetts • Lowell, Massachusetts • South Weymouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Terminated Not applicable Interventional

A Feasibility Trial of a Web Based App Intervention in Hormone Positive Breast Cancer Patients to Improve Adherence to Endocrine Therapy

NCT05488145
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, HER2-Negative Breast Carcinoma, Hormone Receptor-Positive Breast Carcinoma
Interventions
Best Practice, Internet-Based Intervention, Questionnaire Administration, Survey Administration
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Atlanta, Georgia • Johns Creek, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Terminated Phase 2 Interventional Results available

Aromatase Inhibitor and Durvalumab in Postmenopausal Breast Cancer

NCT03874325
View directory record Official record
Conditions
Breast Cancer, Hormone Receptor Positive Tumor
Interventions
Durvalumab, Anastrozole 1mg, Letrozole 2.5mg, Exemestane 25 MG
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Phase 1 Interventional

Veliparib in Combination With Carboplatin and Paclitaxel in Treating Patients With Locally Advanced or Metastatic Solid Tumors

NCT01281150
View directory record Official record
Conditions
Adult Solid Neoplasm, Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Male Breast Carcinoma, Progesterone Receptor Negative, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Carboplatin, Laboratory Biomarker Analysis, Paclitaxel, Pharmacological Study, Veliparib
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
3
States / cities
Hershey, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 25, 2015 · Synced Oct 2, 2026, 9:28 PM EDT
Recruiting Phase 2 Interventional

Study of Screening Brain MRIs in Stage IV Breast Cancer

NCT05115474
View directory record Official record
Conditions
Triple Negative Breast Cancer, HER2-positive Breast Cancer, Hormone Receptor-positive Breast Cancer
Interventions
Magnetic Resonance Imaging
Diagnostic Test
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Clearwater, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Phase 2 Interventional Results available

Bevacizumab Given With Either Anastrozole or Fulvestrant With Trastuzumab for Postmenopausal Metastatic Breast Cancer

NCT00405938
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasms
Interventions
Bevacizumab, Anastrozole, Fulvestrant
Drug
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older · Female only
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
11
States / cities
Fort Myers, Florida • Jacksonville, Florida • Orlando, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Phase 1 Interventional

A Safety Study of SGN-LIV1A in Breast Cancer Patients

NCT01969643
View directory record Official record
Conditions
HER2 Positive Breast Neoplasms, Hormone Receptor Positive Breast Neoplasms, Triple Negative Breast Neoplasms, HER2 Mutations Breast Neoplasms
Interventions
ladiratuzumab vedotin, Trastuzumab
Drug
Lead sponsor
Seagen Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
38
States / cities
Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 30 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Oct 2, 2026, 9:28 PM EDT
Terminated Phase 2 Interventional Results available

Fulvestrant and/or Trastuzumab as First-Line Therapy in Treating Postmenopausal Women With Stage IV Breast Cancer

NCT00138125
View directory record Official record
Conditions
Breast Cancer
Interventions
Faslodex, Herceptin
Drug · Biological
Lead sponsor
Translational Oncology Research International
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
3
States / cities
Los Angeles, California • Redondo Beach, California • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 2, 2026, 9:28 PM 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 30, 2019 · Synced Oct 2, 2026, 9:28 PM EDT
Completed No phase listed Observational

S8814A Biomarkers in Predicting Outcome in Postmenopausal Women With Hormone Receptor-Positive, Node-Positive Breast Cancer Treated With Tamoxifen With or Without Cyclophosphamide, Doxorubicin, and Fluorouracil

NCT00897091
View directory record Official record
Conditions
Breast Cancer
Interventions
comparative genomic hybridization, microarray analysis, reverse transcriptase-polymerase chain reaction, diagnostic laboratory biomarker analysis
Genetic · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older · Female only
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Oct 2, 2026, 9:28 PM EDT
Recruiting Phase 2 Interventional

Sequencing Antibody Drug Conjugates in ER+/HER2 LOW/ULTRA LOW MBC

NCT06263543
View directory record Official record
Conditions
Breast Cancer, Metastatic Breast Cancer, Advanced Breast Cancer, Hormone-receptor-positive Breast Cancer, Human Epidermal Growth Factor 2 Low Breast Cancer
Interventions
Sacituzumab govitecan
Drug
Lead sponsor
Reshma L. Mahtani, D.O.
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Miami, Florida • Atlanta, Georgia • Fairway, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Terminated Phase 1 Interventional

A Study in Patients With Advanced Breast Cancer

NCT04942054
View directory record Official record
Conditions
HER2-negative Breast Cancer, Advanced Breast Cancer, Hormone Receptor-positive Breast Cancer
Interventions
Part 1, Part 2, Part 3
Drug
Lead sponsor
Sun Pharma Advanced Research Company Limited
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Newport Beach, California • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Phase 2 Interventional

Hormone Receptor Positive Metastatic Breast Cancer (HR+ mBC) BIIB021 Plus Aromasin Schedule Finding

NCT01004081
View directory record Official record
Conditions
Breast Cancer
Interventions
BIIB021, exemestane (Aromasin)
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older · Female only
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
19
States / cities
Alabaster, Alabama • Encinitas, California • Gilroy, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2015 · Synced Oct 2, 2026, 9:28 PM EDT
Completed No phase listed Observational

TREATMENT AND MONITORING PATTERNS AND CLINICAL OUTCOMES IN PATIENTS RECEIVING PALBOCICLIB COMBINATION TREATMENT (WITH AI OR FULVESTRANT) FOR HR+/HER2- A/MBC IN A COMMUNITY ONCOLOGY SETTING.

NCT04498481
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Not applicable Interventional Results available

Acupuncture for Hot Flashes in Hormone Receptor-Positive Breast Cancer, a Randomized Controlled Trial

NCT03783546
View directory record Official record
Conditions
Breast Cancer
Interventions
Acupuncture, Usual Care
Device · Other
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Not yet recruiting Phase 1 Interventional

Biology Guided Therapy Recommendations for Treatment Determination of Hormone Receptor-Positive Advanced, Unresectable or Metastatic Breast Cancer, ENDORSE Trial

NCT07590583
View directory record Official record
Conditions
Advanced Hormone Receptor-Positive Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Hormone Receptor-Positive Breast Carcinoma, Unresectable Hormone Receptor-Positive Breast Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Scan, Computed Tomography, Electronic Health Record Review, Magnetic Resonance Imaging, Positron Emission Tomography, Treatment Planning, Treatment Regimen
Procedure · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Withdrawn Phase 2 Interventional

S0511, Goserelin and Anastrozole in Treating Men With Recurrent or Metastatic Breast Cancer

NCT00217659
View directory record Official record
Conditions
Breast Cancer
Interventions
anastrozole, goserelin acetate
Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
57
States / cities
Los Angeles, California • Sacramento, California • Aurora, Colorado + 36 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Phase 1 Interventional Results available

A Study Of Changes In PD-L1 Expression During Preoperative Treatment With Nab-Paclitaxel And Pembrolizumab In Hormone Receptor-Positive Breast Cancer

NCT02999477
View directory record Official record
Conditions
Breast Cancer
Interventions
Pembrolizumab, Nab-Paclitaxel, Biopsy
Drug · Procedure
Lead sponsor
Adrienne G. Waks
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Recruiting Phase 2 Interventional

Tirzepatide for Weight Loss Intervention in Early-Stage Hormone Receptor Positive/HER2 Negative Breast Cancer

NCT06518837
View directory record Official record
Conditions
Hormone Receptor-Positive Breast Cancer, HER2-Negative Breast Cancer
Interventions
Tirzepatide
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
7
States / cities
Elizabeth, New Jersey • Hamilton, New Jersey • Livingston, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Recruiting Phase 1 Interventional

A Study to Compare the Steady-State Bioavailability of Injectable Letrozole SIE and Oral Letrozole in Post-Menopausal Women With Hormone Receptor Positive Early Breast Cancer

NCT07401381
View directory record Official record
Conditions
Hormone Receptor Positive Early Breast Cancer
Interventions
US-sourced oral Femara® + Letrozole SIE, EU sourced oral Femara® + Letrozole SIE
Drug
Lead sponsor
Rovi Pharmaceuticals Laboratories
Industry
Eligibility
18 Years to 80 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Beverly Hills, California • Margate, Florida • Port Orange, Florida
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Recruiting Phase 1Phase 2 Interventional

Zunsemetinib in Combination With Capecitabine in Patients With Hormone Receptor-Positive and HER2-Negative Metastatic Breast Cancer With Bone Metastasis

NCT06374459
View directory record Official record
Conditions
Hormone Receptor Positive HER-2 Negative Metastatic Breast Cancer
Interventions
Zumsemetinib, Capecitabine, Zoledronic acid, Denosumab
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
3
States / cities
Westwood, Kansas • Rochester, Minnesota • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Phase 2 Interventional Results available

Onapristone and Anastrozole for the Treatment of Refractory Hormone Receptor Positive Endometrial Cancer

NCT04719273
View directory record Official record
Conditions
Refractory Endometrial Adenocarcinoma, Refractory Endometrial Carcinoma, Refractory Endometrial Clear Cell Adenocarcinoma, Refractory Endometrial Endometrioid Adenocarcinoma, Refractory Endometrial Mixed Cell Adenocarcinoma, Refractory Endometrial Serous Adenocarcinoma, Refractory Endometrial Undifferentiated Carcinoma
Interventions
Extended-release Onapristone, Anastrozole, Quality-of-Life Assessment, Questionnaire Administration, Estrogen Receptor Positive (Positive Estrogen Receptor; ESR Positive; ESR1 Positive; ER Positive; Estrogen Receptor Alpha Positive), Progesterone Receptor Positive ( PGR Positive; PR Positive)
Drug · Other · Diagnostic Test
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Abington, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 2, 2026, 9:28 PM EDT
Completed Phase 3 Interventional

The Evaluation of the Efficacy and Tolerability of FASLODEX (Fulvestrant) and AROMASIN (Exemestane) in Hormone Receptor Positive Postmenopausal Women With Advanced Breast Cancer

NCT00065325
View directory record Official record
Conditions
Locally Advanced Breast Cancer, Metastatic Breast Cancer
Interventions
Fulvestrant, Exemestane
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
32 Years to 91 Years · Female only
Enrollment
694 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2014
U.S. locations
51
States / cities
Birmingham, Alabama • Arcadia, California • Fountain Valley, California + 48 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2015 · Synced Oct 2, 2026, 9:28 PM EDT