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ClinicalTrials.gov public records Last synced Jul 23, 2026, 6:47 PM EDT

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Showing 1–24 of 130 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Hormone Receptor-Positive, HER2-Negative Metastatic Breast Cancer Clear all
Completed Phase 1 Interventional

Study of LEE011 With Fulvestrant and BYL719 or BKM120 in Advanced Breast Cancer

NCT02088684
View directory record Official record
Conditions
Breast Cancer
Interventions
LEE011, BYL719, fulvestrant, BKM120
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
3
States / cities
Birmingham, Alabama • Boston, Massachusetts • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Jul 23, 2026, 6:47 PM EDT
Terminated Phase 2 Interventional Results available

Phase II Open-Label Trial of Tarceva in Women With Metastatic, Hormone- and HER2-Negative Breast Cancer

NCT00597597
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Erlotinib
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Jul 23, 2026, 6:47 PM EDT
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 Jun 10, 2026 · Synced Jul 23, 2026, 6:47 PM EDT
Active, not recruiting Phase 2 Interventional Results available

A Study of Abemaciclib (LY2835219) Plus Tamoxifen or Abemaciclib Alone in Women With Metastatic Breast Cancer

NCT02747004
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Abemaciclib, Tamoxifen, Prophylactic Loperamide
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
5
States / cities
Tucson, Arizona • Lebanon, New Hampshire • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Jul 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of Abemaciclib (LY2835219) Combined With Fulvestrant in Women With Hormone Receptor Positive HER2 Negative Breast Cancer

NCT02107703
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Abemaciclib, Fulvestrant, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
669 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
43
States / cities
Jonesboro, Arkansas • Springdale, Arkansas • La Jolla, California + 36 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Jul 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM EDT
Terminated Phase 2 Interventional Results available

Lapatinib in Women With Metastatic Breast Cancer Who Have Failed Prior Antihormone Therapy

NCT00759642
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
lapatinib
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
3
States / cities
Kansas City, Kansas • Topeka, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 30, 2019 · Synced Jul 23, 2026, 6:47 PM EDT
Recruiting Phase 2 Interventional

Adaptive Therapy With Capecitabine for Treatment of Metastatic ER Positive, HER2 Negative Breast Cancer

NCT06525766
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen-receptor-positive Breast Cancer, Metastatic HER2-Negative Breast Carcinoma, Metastatic Breast Cancer
Interventions
Biospecimen Collection, Bone Scan, Capecitabine, Computed Tomography, Magnetic Resonance Imaging, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jul 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM EDT
Completed Phase 2 Interventional Results available

Radiation Therapy, Palbociclib, and Hormone Therapy in Treating Breast Cancer Patients With Bone Metastasis

NCT03691493
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive, HER2/Neu Negative, Metastatic Breast Carcinoma, Metastatic Malignant Neoplasm in the Bone, Progesterone Receptor Positive, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Anastrozole, Exemestane, Fulvestrant, Letrozole, Palbociclib, Radiation Therapy, Tamoxifen
Drug · Radiation
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
10
States / cities
Atlanta, Georgia • Augusta, Georgia • Columbus, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2025 · Synced Jul 23, 2026, 6:47 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 23, 2026, 6:47 PM EDT
Active, not recruiting Phase 1 Interventional Results available

Testing the Addition of Copanlisib to Usual Treatment (Fulvestrant and Abemaciclib) in Metastatic Breast Cancer

NCT03939897
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic HER2-Negative Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma, Recurrent Breast Carcinoma
Interventions
Abemaciclib, Biopsy Procedure, Biospecimen Collection, Copanlisib Hydrochloride, Diagnostic Imaging Testing, Echocardiography Test, Fulvestrant, Multigated Acquisition Scan
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
14
States / cities
Birmingham, Alabama • Costa Mesa, California • Orange, California + 8 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM 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 23, 2026, 6:47 PM 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 – 2030
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 23, 2026, 6:47 PM EDT
Withdrawn Phase 4 Interventional

A Study of Abemaciclib (LY2835219) in Participants With HR+, HER2- Advanced Breast Cancer

NCT03988114
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Abemaciclib, Nonsteroidal Aromatase Inhibitor (NSAI)
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
70
States / cities
Daphne, Alabama • Tempe, Arizona • Fountain Valley, California + 60 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced Jul 23, 2026, 6:47 PM EDT
Recruiting Phase 1 Interventional

PRE-I-SPY Phase I/Ib Oncology Platform Program

NCT05868226
View directory record Official record
Conditions
HER2-positive Breast Cancer, Metastatic Cancer, Metastatic Breast Cancer, Metastatic, HER2-positive Metastatic Breast Cancer, HER2 Mutation-Related Tumors, HER-2 Protein Overexpression, HER2-negative Breast Cancer, Triple Negative Breast Cancer, HR Positive, Hormone Receptor-positive Breast Cancer, Estrogen Receptor Positive Tumor, Progesterone Receptor-positive Breast Cancer, Hormone Receptor Negative Breast Carcinoma, Solid Tumor, Solid Tumor, Adult, Solid Carcinoma, HER2 Low Breast Cancer, HER2 Low Breast Carcinoma, ER Positive Breast Cancer, PR-positive Breast Cancer
Interventions
ALX148, Fam-Trastuzumab Deruxtecan-Nxki, Zanidatamab, Tucatinib
Drug
Lead sponsor
QuantumLeap Healthcare Collaborative
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
7
States / cities
Birmingham, Alabama • Tampa, Florida • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Jul 23, 2026, 6:47 PM EDT
Recruiting Phase 1 Interventional

BGB-43395 Alone or as Part of Combination Therapies in Participants With Breast Cancer and Other Advanced Solid Tumors

NCT06120283
View directory record Official record
Conditions
Advanced Solid Tumor, Advanced Breast Cancer, Metastatic Breast Cancer, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive Breast Carcinoma, Hormone Receptor Positive Malignant Neoplasm of Breast, HER2-negative Breast Cancer, Hormone Receptor Positive HER-2 Negative Breast Cancer, Non-small Cell Lung Cancer
Interventions
BGB-43395, Fulvestrant, Letrozole, Elacestrant, Anti-Diarrheal Agent
Drug
Lead sponsor
BeOne Medicines
Industry
Eligibility
18 Years and older
Enrollment
399 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
10
States / cities
Denver, Colorado • Lake Mary, Florida • Detroit, Michigan + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Jul 23, 2026, 6:47 PM EDT