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ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:53 AM EDT

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Showing 1–24 of 221 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: HR+ Breast Cancer Clear all
Completed Phase 3 Interventional Results available

Study to Assess the Safety and Efficacy of Ribociclib (LEE011) in Combination With Letrozole for the Treatment of Men and Pre/Postmenopausal Women With HR+ HER2- aBC

NCT02941926
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, Letrozole, Goserelin, Leuprolide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
3,246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
71
States / cities
Anchorage, Alaska • Chandler, Arizona • Phoenix, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Jul 21, 2026, 11:53 AM EDT
Completed Phase 2 Interventional Results available

Fulvestrant With or Without Ganetespib in HR+ Breast Cancer

NCT01560416
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant, Ganetespib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
5
States / cities
Boston, Massachusetts • Concord, New Hampshire • Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Phase 1/2 Trial of TER-2013 in Patients With Solid Tumors Harboring AKT/PI3K/PTEN Pathway Alterations

NCT07109726
View directory record Official record
Conditions
Breast Cancer, Endometrial Cancer, Ovarian Cancer, Lung Squamous Cell Carcinoma, Head and Neck Squamous Cell Carcinoma, Esophageal Squamous Cell Carcinoma, Solid Tumor, Cervical Cancer
Interventions
TER-2013, Fulvestrant injection
Drug
Lead sponsor
Terremoto Biosciences Inc.
Industry
Eligibility
18 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
14
States / cities
Orlando, Florida • Boston, Massachusetts • Rochester, Minnesota + 11 more
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Recruiting Phase 2 Interventional

Artificial Intelligence and Machine Learning to Guide CDK4/6 Inhibitor Rechallenge in Breast Cancer.

NCT07227233
View directory record Official record
Conditions
Breast Cancer
Interventions
A CDK4/6 inhibitor different from the first that the participant had received, plus fulvestrant., Treatment of physician's choice
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Completed Phase 2 Interventional

Phase 2 Study of Imprime PGG and Pembrolizumab in Patients With HR+/HER2- Metastatic Breast Cancer (mBCA)

NCT05159778
View directory record Official record
Conditions
Malignant Neoplasm of Breast
Interventions
Imprime PGG, Pembrolizumab
Biological
Lead sponsor
HiberCell, Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
16
States / cities
Tucson, Arizona • Denver, Colorado • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Jul 21, 2026, 11:53 AM EDT
Recruiting Phase 1 Interventional

Clinical Trial of Avasopasem in Patients With Metastatic Hormone Receptor Positive Breast Cancer With Progression on a CDK 4/6 Inhibitor and Hormonal Therapy

NCT07137871
View directory record Official record
Conditions
Breast Cancer Metastatic
Interventions
Avasopasem
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Jul 21, 2026, 11:53 AM EDT
Recruiting Phase 1 Interventional

Study of Ribociclib Administered Concurrently With Postoperative Radiation Therapy in Patients With High-Risk, HR+/HER2- Breast Cancer

NCT05996107
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, Postoperative Radiation Therapy
Drug · Radiation
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
3
States / cities
Ann Arbor, Michigan • Wyoming, Michigan • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Completed Phase 1 Interventional

HOPE: Olaparib, Palbociclib and Fulvestrant in Patients With BRCA Mutation-associated, HR+, HER2-metastatic Breast Cancer

NCT03685331
View directory record Official record
Conditions
Metastatic Breast Cancer, Locally Advanced Breast Cancer, Advanced Breast Cancer, BRCA2 Mutation, BRCA1 Mutation
Interventions
Palbociclib, Olaparib, Fulvestrant
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jul 21, 2026, 11:53 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 21, 2026, 11:53 AM EDT
Recruiting Phase 1 Interventional

RADIANT: Pre-op Radiation With Abemaciclib and Letrozole

NCT06139107
View directory record Official record
Conditions
Breast Cancer
Interventions
Abemaciclib, Letrozole
Drug
Lead sponsor
Mridula George, MD
Other
Eligibility
60 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
4
States / cities
Belleville, New Jersey • Livingston, New Jersey • New Brunswick, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Jul 21, 2026, 11:53 AM 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 21, 2026, 11:53 AM 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 26, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Active, not recruiting No phase listed Observational

Genetic Analysis in Blood and Tumor Samples From Patients With Advanced or Metastatic Estrogen Receptor Positive and HER2 Negative Breast Cancer Receiving Palbociclib and Endocrine Therapy

NCT03281902
View directory record Official record
Conditions
Advanced Breast Carcinoma, Locally Advanced Breast Carcinoma, Metastatic Breast Carcinoma, Recurrent Breast Carcinoma, Stage III Breast Cancer AJCC v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Biopsy, Biospecimen Collection, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Terminated Phase 2 Interventional Results available

Oral SM-88 in Patients With Metastatic HR+/HER2- Breast Cancer

NCT04720664
View directory record Official record
Conditions
Breast Cancer, Metastatic Breast Cancer, Hormone Receptor Positive Breast Carcinoma
Interventions
SM-88
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 27, 2023 · Synced Jul 21, 2026, 11:53 AM EDT
Completed No phase listed Observational

Interview of Patients With HR+/HER2- Metastatic Breast Cancer Who Received Capivasertib + Fulvestrant

NCT07008963
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
non-interventional
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Redwood Shores, California
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Study of PF-06873600 in People With Cancer

NCT03519178
View directory record Official record
Conditions
HR+ HER2- Metastatic Breast Cancer, Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cancer, Triple Negative Breast Cancer, Male Breast Cancer
Interventions
PF-06873600, Endocrine Therapy 1, Endocrine Therapy 2
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
39
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Fayetteville, Arkansas + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Jul 21, 2026, 11:53 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 21, 2026, 11:53 AM EDT
Recruiting Phase 1Phase 2 Interventional

ERADICATE: A Phase Ib/II Study of Elacestrant Plus Trastuzumab Deruxtecan in Patients With CDK4/6 Inhibitor and Endocrine-resistant HR+/HER2-low or HER2-ultralow Metastatic Breast Cancer

NCT07198724
View directory record Official record
Conditions
Metastatic Breast Cancer, HER2 Low Breast Carcinoma, HER2-negative Breast Cancer, Breast Cancer, Breast Cancer Female
Interventions
Elacestrant, Trastuzumab Deruxtecan
Drug
Lead sponsor
Kristina A. Fanucci
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2038
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Completed Phase 2 Interventional Results available

A Study of Abemaciclib (LY2835219) in Women With HR+, HER2+ Locally Advanced or Metastatic Breast Cancer

NCT02675231
View directory record Official record
Conditions
Hormone Receptor Positive Breast Cancer, HER-2 Positive Breast Cancer
Interventions
Abemaciclib, Trastuzumab, Fulvestrant, Standard of Care Single Agent Chemotherapy
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
32
States / cities
Bakersfield, California • Fullerton, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Jul 21, 2026, 11:53 AM EDT
Terminated Phase 2 Interventional Results available

A Pharmacodynamics Pre-surgical Study of LEE011 in Early Breast Cancer Patients (MONALEESA-1)

NCT01919229
View directory record Official record
Conditions
Early Breast Cancer
Interventions
LEE011 (ribociclib), letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Fayetteville, Arkansas • Los Angeles, California • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2015 · Synced Jul 21, 2026, 11:53 AM EDT
Terminated Phase 1 Interventional

(VELA) Study of BLU-222 in Advanced Solid Tumors

NCT05252416
View directory record Official record
Conditions
Advanced Solid Tumors, HR+ Breast Cancer, CCNE1 Amplification, HER2-negative Breast Cancer, Ovarian Cancer, Endometrial Cancer, Gastric Cancer, Esophageal Adenocarcinoma, Carcinosarcoma
Interventions
BLU-222, Carboplatin, Ribociclib, Fulvestrant
Drug
Lead sponsor
Blueprint Medicines Corporation
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
19
States / cities
Little Rock, Arkansas • San Francisco, California • Stanford, California + 13 more
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Jul 21, 2026, 11:53 AM EDT
Completed No phase listed Observational

Real-World Outcomes of Patients With Metastatic Breast Cancer After Treatment With First-Line ET+CDK4/6i

NCT06975371
View directory record Official record
Conditions
Advanced/Metastatic HER2-negative Breast Cancer
Interventions
No drug
Other
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
1,415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Jul 21, 2026, 11:53 AM EDT
Recruiting Phase 3 Interventional

Saruparib (AZD5305) Plus Camizestrant Compared With CDK4/6 Inhibitor Plus Endocrine Therapy or Plus Camizestrant in HR-Positive, HER2-Negative (IHC 0, 1+, 2+/ ISH Non-amplified), BRCA1, BRCA2, or PALB2m Advanced Breast Cancer

NCT06380751
View directory record Official record
Conditions
Advanced Breast Cancer
Interventions
Saruparib (AZD5305), Camizestrant, Abemaciclib, Ribociclib, Palbociclib, Fulvestrant, Letrozole, Anastrozole, Exemestane
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
54
States / cities
Gilbert, Arizona • Fountain Valley, California • Glendale, California + 46 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 21, 2026, 11:53 AM EDT
Active, not recruiting Phase 3 Interventional

A Phase III Randomised Study to Evaluate Dato-DXd and Durvalumab for Neoadjuvant/Adjuvant Treatment of Triple-Negative or Hormone Receptor-low/HER2-negative Breast Cancer

NCT06112379
View directory record Official record
Conditions
Breast Cancer
Interventions
Dato-DXd, Durvalumab, Pembrolizumab, Doxorubicin, Epirubicin, Cyclophosphamide, Paclitaxel, Carboplatin, Capecitabine, Olaparib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
1,902 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
58
States / cities
Daphne, Alabama • Prescott, Arizona • Jonesboro, Arkansas + 53 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 21, 2026, 11:53 AM EDT