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, 2:57 AM 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 127 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Hormone Receptor (HR)-Positive Breast Cancer Clear all
Recruiting Phase 3 Interventional

Phase IIIb Study of Ribociclib + ET in Early Breast Cancer

NCT05827081
View directory record Official record
Conditions
Early Breast Cancer
Interventions
Ribociclib, Letrozole, Ansastrozole, Goserelin, Leuprolide, Exemestane
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
85
States / cities
Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Completed Phase 1 Interventional

Capecitabine In Combination With Cemiplimab In Patient With Metastatic Breast Cancer

NCT05064085
View directory record Official record
Conditions
Hormone Receptor-positive Breast Cancer
Interventions
Cemiplimab, Capecitabine
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Recruiting Phase 3 Interventional

Adding an Immunotherapy Drug, MEDI4736 (Durvalumab), to the Usual Chemotherapy Treatment (Paclitaxel, Cyclophosphamide, and Doxorubicin) for Stage II-III Breast Cancer

NCT06058377
View directory record Official record
Conditions
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, HER2-Negative Breast Carcinoma, Hormone Receptor-Positive Breast Carcinoma
Interventions
Biospecimen Collection, Cyclophosphamide, Doxorubicin, Durvalumab, Genetic Testing, Mammography, Paclitaxel, Quality-of-Life Assessment
Procedure · Drug · Biological + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
3,680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
541
States / cities
Birmingham, Alabama • Anchorage, Alaska • Tucson, Arizona + 414 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Completed Phase 2 Interventional Results available

A Trial Using ARV-471 or Anastrozole in Post-Menopausal Women With Breast Cancer Prior to Surgery

NCT05549505
View directory record Official record
Conditions
Breast Cancer
Interventions
ARV-471, Anastrozole, Surgical resection of breast tumor
Drug · Procedure
Lead sponsor
Arvinas Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
13
States / cities
Springdale, Arkansas • Los Angeles, California • Torrance, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Jul 24, 2026, 2:57 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 Jul 24, 2026, 2:57 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 Jul 24, 2026, 2:57 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study to Learn About the Study Medicine (Called PF-07220060 in Combination With PF-07104091) In Participants With Breast Cancer and Solid Tumors

NCT05262400
View directory record Official record
Conditions
Breast Cancer, Solid Tumors
Interventions
PF-07220060 + PF-07104091 combination dose escalation, PF-07104091 + PF-07220060 + fulvestrant dose expansion, PF-07104091 + PF-07220060 + letrozole dose expansion
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
12
States / cities
Los Angeles, California • Santa Monica, California • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2024 · Synced Jul 24, 2026, 2:57 AM EDT
Completed No phase listed Observational

Study of Predictors of Clinical Outcomes in Patients With HR+ and HER2-low/Negative Breast Cancer

NCT06040593
View directory record Official record
Conditions
Hormone-receptor-positive Breast Cancer, HER2-low Breast Cancer, HER2-negative Breast Cancer
Interventions
No drug
Other
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
927 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 25, 2024 · Synced Jul 24, 2026, 2:57 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 Jun 22, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Recruiting No phase listed Observational

DiviTum®TKa: A Biomarker Assay for Efficacy in HR+ Breast Cancer Patients

NCT06388122
View directory record Official record
Conditions
HER2-negative Breast Cancer, Hormone-receptor-positive Breast Cancer, Metastatic Breast Cancer, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, HER2 Negative Breast Carcinoma, Hormone Receptor Positive Breast Carcinoma, Metastatic Breast Carcinoma
Interventions
Biospecimen Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Recruiting Not applicable Interventional

Impact of Intermittent Fasting on Biomarkers of Inflammation and Health-Related Quality of Life: A Feasibility Trial for Women With HR+/HER2- Early Breast Cancer

NCT06106477
View directory record Official record
Conditions
Breast Cancer
Interventions
Intermittent Fasting
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Jul 24, 2026, 2:57 AM EDT
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 18, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Completed No phase listed Observational Results available

Study to Compare Overall Survival in Medicare Patients With Metastatic Breast Cancer Treated With a Medicine Called Palbociclib in Combination With Aromatase Inhibitor and Aromatase Inhibitor by Itself.

NCT06086340
View directory record Official record
Conditions
Breast Cancer
Interventions
Palbociclib, Aromatase Inhibitor
Drug
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
779 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Jul 24, 2026, 2:57 AM EDT
Recruiting Phase 1Phase 2 Interventional

Rinatabart Sesutecan (Rina-S, PRO1184, GEN1184) for Advanced Solid Tumors (GCT1184-01/ PRO1184-001)

NCT05579366
View directory record Official record
Conditions
High Grade Epithelial Ovarian Cancer, High Grade Serous Ovarian Cancer, Primary Peritoneal Carcinoma, Fallopian Tube Cancer, Endometrial Cancer, Non-small Cell Lung Cancer, Epidermal Growth Factor Receptor (EGFR)-Mutated Non-Small Cell Lung Cancer (NSCLC), Mesothelioma, Breast Adenocarcinoma, Triple Negative Breast Cancer, Hormone Receptor-positive/Her2 Negative Breast Cancer, Platinum-resistant Ovarian Cancer (PROC), Platinum Sensitive Ovarian Cancer (PSOC), Primary Refractory Ovarian Cancer, Uterine Cancer
Interventions
Rina-S, Carboplatin, Bevacizumab, Pembrolizumab
Drug
Lead sponsor
Genmab
Industry
Eligibility
18 Years and older
Enrollment
884 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
37
States / cities
Phoenix, Arizona • Tucson, Arizona • Los Angeles, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Active, not recruiting Phase 2 Interventional

Determinants of Resistance to Endocrine Therapy and a Cyclin-dependent Kinases 4 and 6 (CDK4/6) Inhibitor for HR+ MBC

NCT03439735
View directory record Official record
Conditions
Breast Cancer
Interventions
Endocrine Therapy and a CDK 4/6 inhibitor
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Jul 24, 2026, 2:57 AM EDT
Active, not recruiting No phase listed Observational

Breast Cancer Index (BCI) Registry

NCT04875351
View directory record Official record
Conditions
Breast Cancer
Interventions
Breast Cancer Index (BCI) Risk of Recurrence & Extended Endocrine Benefit Test
Diagnostic Test
Lead sponsor
Biotheranostics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
3,465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
105
States / cities
Daphne, Alabama • Mobile, Alabama • Glendale, Arizona + 84 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 24, 2026, 2:57 AM 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, 2:57 AM EDT
Completed Phase 2 Interventional

A Study of Samuraciclib in Combination With Fulvestrant in Metastatic or Locally Advanced Breast Cancer in Adult Participants

NCT05963984
View directory record Official record
Conditions
Metastatic Breast Cancer, Locally Advanced Breast Cancer, Breast Cancer
Interventions
Samuraciclib, Fulvestrant
Drug
Lead sponsor
Carrick Therapeutics Limited
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
5
States / cities
Ocala, Florida • Baltimore, Maryland • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Jul 24, 2026, 2:57 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 Jul 24, 2026, 2:57 AM EDT
Withdrawn Phase 1 Interventional

Hydroxychloroquine, Abemaciclib and Endocrine Therapy in Hormone Receptor Positive (HR+)/Her 2 Negative Breast Cancer

NCT04316169
View directory record Official record
Conditions
Solid Tumor, Advanced Breast Cancer
Interventions
Abemaciclib, Hydroxychloroquine 200 mg, Faslodex, Anastrazole, Letrozole, Hydroxychloroquine 400 mg, Hydroxychloroquine 600 mg
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 22, 2022 · Synced Jul 24, 2026, 2:57 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Capivasertib+Fulvestrant vs Placebo+Fulvestrant as Treatment for Locally Advanced (Inoperable) or Metastatic HR+/HER2- Breast Cancer

NCT04305496
View directory record Official record
Conditions
Locally Advanced (Inoperable) or Metastatic Breast Cancer
Interventions
Fulvestrant, Capivasertib, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
818 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
22
States / cities
Gilbert, Arizona • Orange, California • San Francisco, California + 19 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Sacituzumab Govitecan +/- Pembrolizumab In HR+ / HER2 - MBC

NCT04448886
View directory record Official record
Conditions
Invasive Breast Cancer, Metastatic Breast Cancer, HR-Positive Breast Cancer, HER2-negative Breast Cancer
Interventions
Pembrolizumab, Sacituzumab Govitecan
Drug
Lead sponsor
Ana C Garrido-Castro, MD
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
8
States / cities
Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Recruiting Phase 1 Interventional

Study of IEV407 as Single Agent or in Combination in Patients With Advanced HR+/HER2- Breast Cancer

NCT07604571
View directory record Official record
Conditions
Advanced HR+/HER2- Breast Cancer
Interventions
IEV407, Fulvestrant, Letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 24, 2026, 2:57 AM EDT
Terminated Phase 3 Interventional

Tesetaxel Plus Reduced Dose of Capecitabine vs. Capecitabine in HER2 Negative, HR Positive, LA/MBC

NCT03326674
View directory record Official record
Conditions
Breast Cancer
Interventions
Tesetaxel and Capecitabine, Capecitabine
Drug
Lead sponsor
Odonate Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
685 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
90
States / cities
Chandler, Arizona • Goodyear, Arizona • Tucson, Arizona + 81 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Jul 24, 2026, 2:57 AM EDT