Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 24, 2026, 6:02 PM EDT

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

Showing 1–24 of 669 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: "hormone receptor-positive" Condition: Breast Cancer Clear all
Active, not recruiting No phase listed Observational

Multi-Institutional Transgender & Gender-Diverse Breast Cancer Study

NCT06234488
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasms, Breast Adenocarcinoma, Breast Cancer Stage, Breast Cancer Stage IV, Breast Cancer Invasive, Breast Cancer in Situ
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
22
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Jul 24, 2026, 6:02 PM EDT
Terminated Phase 2 Interventional

Tesetaxel Plus Reduced Dose of Capecitabine in Patients With HER2 Negative, HR Positive, LA/MBC

NCT03858972
View directory record Official record
Conditions
Breast Cancer
Interventions
Tesetaxel, Capecitabine
Drug
Lead sponsor
Odonate Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
9
States / cities
Whittier, California • Lakewood, Colorado • Fort Myers, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Jul 24, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Estradiol Levels in Patients Treated With Estring

NCT01923298
View directory record Official record
Conditions
Estrogen Levels Among Breast Cancer Patients
Interventions
Estradiol
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Jul 24, 2026, 6:02 PM EDT
Recruiting Phase 4 Interventional

A Study of Revaree Plus in People With Breast Cancer

NCT07042581
View directory record Official record
Conditions
Breast Cancer, Stage 0 Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage III Breast Cancer, Stage 0 Breast Carcinoma, Stage II Breast Carcinoma, Stage III Breast Carcinoma, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive Breast Carcinoma, Hormone Receptor Positive Malignant Neoplasm of Breast
Interventions
Revaree Plus
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Jul 24, 2026, 6:02 PM 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 Jul 24, 2026, 6:02 PM 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 17, 2026 · Synced Jul 24, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Comparison Trial of Letrozole to Anastrozole in the Adjuvant Treatment of Postmenopausal Women With Hormone Receptor and Node Positive Breast Cancer

NCT00248170
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Anastrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
33 Years to 96 Years · Female only
Enrollment
4,172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
42
States / cities
Birmingham, Alabama • Huntsville, Alabama • Flagstaff, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced Jul 24, 2026, 6:02 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study to Learn About a New Medicine Called Vepdegestrant (ARV-471, PF-07850327) in People Who Have Advanced Metastatic Breast Cancer

NCT05654623
View directory record Official record
Conditions
Advanced Breast Cancer
Interventions
ARV-471, Fulvestrant
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
87
States / cities
Encinitas, California • Fountain Valley, California • Fresno, California + 69 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Jul 24, 2026, 6:02 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 6, 2023 · Synced Jul 24, 2026, 6:02 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Exemestane With or Without Entinostat in Treating Patients With Recurrent Hormone Receptor-Positive Breast Cancer That is Locally Advanced or Metastatic

NCT02115282
View directory record Official record
Conditions
Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Breast Adenocarcinoma, HER2/Neu Negative, Locally Advanced Breast Carcinoma, Metastatic Breast Carcinoma, Recurrent Breast Carcinoma
Interventions
Biospecimen Collection, Computed Tomography, Entinostat, Exemestane, Goserelin, Goserelin Acetate, Magnetic Resonance Imaging, Placebo Administration, Quality-of-Life Assessment
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
653
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Carmichael, California + 461 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 24, 2026, 6:02 PM 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 Jul 24, 2026, 6:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Brain Health in Breast Cancer Survivors

NCT04297020
View directory record Official record
Conditions
Cognitive Impairment, Cognitive Function
Interventions
Not listed
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 24, 2026, 6:02 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Phase Ib/II Study of the Combination of BYL719 Plus AMG 479 in Adult Patients With Selected Solid Tumors

NCT01708161
View directory record Official record
Conditions
PIK3CA Mutated Advanced Solid Tumors, PIK3CA Amplified Advanced Solid Tumors
Interventions
BYL719, AMG 479
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
4
States / cities
Los Angeles, California • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Jul 24, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional

Prolonged Overnight Fasting and/or Exercise on Fatigue and Other Patient Reported Outcomes in Women With Hormone Receptor Positive Advanced Breast Cancer

NCT06123988
View directory record Official record
Conditions
HER2-positive Breast Cancer, Advanced Breast Cancer
Interventions
Prolonged Overnight Fasting, Moderate-Intensity Exercise, General Health Education Sessions
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
3
States / cities
Phoenix, Arizona • Miami, Florida • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jul 24, 2026, 6:02 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Serial FES PET/CT to Measure Hormone Expression in Patients Undergoing Endocrine Targeted Therapy

NCT04692103
View directory record Official record
Conditions
Estrogen Receptor Positive, Primary or Recurrent Breast Carcinoma, Stage IV Breast Cancer AJCC v6 and v7
Interventions
F-18 16 Alpha-Fluoroestradiol, Positron Emission Tomography, Computed Tomography, Fludeoxyglucose F-18, Laboratory Biomarker Analysis
Drug · Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2041
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Jul 24, 2026, 6:02 PM EDT
Terminated Not applicable Interventional Results available

F-18 FES PET/CT in Measuring Hormone Expression in Patients With Primary, Recurrent, or Metastatic Breast Cancer Undergoing Endocrine-Targeted Therapy

NCT02149173
View directory record Official record
Conditions
Estrogen Receptor Positive, Recurrent Breast Carcinoma, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Computed Tomography, F-18 16 Alpha-Fluoroestradiol, Fludeoxyglucose F-18, Laboratory Biomarker Analysis, Positron Emission Tomography
Procedure · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Jul 24, 2026, 6:02 PM EDT
Terminated Phase 2 Interventional Results available

Phase II Study of Everolimus Beyond Progression

NCT02269670
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
everolimus, anastrozole, letrozole, tamoxifen citrate, fulvestrant, megestrol acetate
Drug
Lead sponsor
Emory University
Other
Eligibility
19 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Jul 24, 2026, 6:02 PM EDT
Completed Phase 2 Interventional Results available

Palbociclib and Letrozole or Fulvestrant in Treating Patients With Estrogen Receptor Positive, HER2 Negative Metastatic Breast Cancer

NCT03633331
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2/Neu Negative, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Palbociclib, Letrozole, Fulvestrant, Questionnaire Administration, Quality-of-Life Assessment
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
70 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
447
States / cities
Anchorage, Alaska • Kingman, Arizona • Arroyo Grande, California + 303 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jul 24, 2026, 6:02 PM EDT
Recruiting Not applicable Interventional

S1703 Serum Tumor Marker Directed Disease Monitoring in Patients With Hormone Receptor Positive Her2 Negative Metastatic Breast Cancer

NCT03723928
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, Prognostic Stage IV Breast Cancer AJCC v8, Elevated CA15-3 or CEA or CA27-29
Interventions
Usual care disease monitoring, Serum Tumor Marker directed disease monitoring, Quality-of-Life Assessment, Anxiety Questionnaire Administration
Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
739 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2036
U.S. locations
709
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 456 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Jul 24, 2026, 6:02 PM EDT
Completed No phase listed Observational

Breast Cancer Survivors Who Experience Aromatase Inhibitor Associated Musculoskeletal Symptoms (AIMSS)

NCT06106282
View directory record Official record
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Hormone Receptor-Positive Breast Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jul 24, 2026, 6:02 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Phase II Study of Pembrolizumab and Nab-paclitaxel in HER-2 Negative Metastatic Breast Cancer

NCT02752685
View directory record Official record
Conditions
Breast Cancer
Interventions
Pembrolizumab, Nab-Paclitaxel
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Jul 24, 2026, 6:02 PM EDT
Completed Phase 3 Interventional Results available

Letrozole in Preventing Cancer in Postmenopausal Women Who Have Received 4-6 Years of Hormone Therapy for Hormone Receptor-Positive, Lymph Node-Positive, Early-Stage Breast Cancer

NCT00553410
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole
Drug
Lead sponsor
ETOP IBCSG Partners Foundation
Network
Eligibility
18 Years to 120 Years · Female only
Enrollment
4,884 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2019
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Jul 24, 2026, 6:02 PM EDT
Terminated No phase listed Observational

Analysis of Letrozole in Patients With Operable Hormone Receptor Positive, HER2 Negative Breast Cancer

NCT05447910
View directory record Official record
Conditions
Breast Adenocarcinoma, Invasive Breast Carcinoma, Resectable Breast Carcinoma
Interventions
Biospecimen Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Jul 24, 2026, 6:02 PM EDT
Recruiting Phase 2 Interventional

A Study of Alisertib in Combination With Endocrine Therapy in Patients With HR-positive, HER2-negative Recurrent or Metastatic Breast Cancer

NCT06369285
View directory record Official record
Conditions
Hormone Receptor Positive HER-2 Negative Breast Cancer, Metastatic Breast Cancer, Recurrent Breast Cancer
Interventions
Alisertib, Endocrine therapy
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
35
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 28 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Jul 24, 2026, 6:02 PM EDT