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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 2 Interventional

A Study of Elacestrant Alone or in Combination With Abemaciclib in People With Endometrial Cancer

NCT07209449
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Abemaciclib, Elacestrant
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 23, 2026, 5:03 PM EDT
Terminated Phase 1Phase 2 Interventional

Palbociclib in Estrogen Receptor Positive (ER+) Human Epidermal Growth Factor Receptor 2 Positive (HER2+) Metastatic Breast Cancer

NCT03709082
View directory record Official record
Conditions
HER2-positive Breast Cancer, Breast Cancer Metastatic
Interventions
Palbociclib 75mg, Letrozole 2.5mg, T-DM1, Palbociclib 100mg, Palbociclib 125mg, Palbociclib
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
5
States / cities
Kansas City, Kansas • Overland Park, Kansas • Kansas City, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 23, 2026, 5:03 PM EDT
Active, not recruiting No phase listed Observational

FDG PET/CT in Breast Cancer Bone Mets

NCT01996046
View directory record Official record
Conditions
Estrogen Receptor Positive Breast Cancer, Bone Metastases
Interventions
FDG PET/CT scan
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Sep 23, 2026, 5:03 PM EDT
Recruiting Phase 2 Interventional

Finding the Best Tamoxifen Dose for Breast Cancer Risk Reduction in Premenopausal Women, RENAISSANCE Trial

NCT06184750
View directory record Official record
Conditions
Breast Atypical Ductal Hyperplasia, Breast Atypical Lobular Hyperplasia, Breast Carcinoma, Breast Ductal Carcinoma In Situ, Breast Lobular Carcinoma In Situ, Estrogen Receptor-Positive Breast Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Mammography, Questionnaire Administration, Tamoxifen
Procedure · Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 55 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
11
States / cities
Tucson, Arizona • Chicago, Illinois • Kansas City, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 23, 2026, 5:03 PM EDT
Completed Phase 2 Interventional

Study of Letrozole Plus Tipifarnib or Placebo in the Treatment of Advanced Breast Cancer

NCT00050141
View directory record Official record
Conditions
Breast Cancer
Interventions
ZARNESTRA, tipifarnib, R115777
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
50 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
6
States / cities
Miami, Florida • Chicago, Illinois • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Sep 23, 2026, 5:03 PM EDT
Completed Phase 2 Interventional Results available

Open-label, Phase II, Study of Everolimus Plus Letrozole in Postmenopausal Women With ER+, HER2- Metastatic or Locally Advanced Breast Cancer

NCT01698918
View directory record Official record
Conditions
Hormone Receptor Positive Breast Cancer
Interventions
Everolimus, Letrozole, Exemestane, Alcohol-free dexamethasone mouth rinse (Stomatitis sub-study), Standard of care to treat stomatitis (Stomatitis sub-study)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
15
States / cities
Birmingham, Alabama • Gilbert, Arizona • Loma Linda, California + 12 more
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 23, 2026, 5:03 PM EDT
Terminated Not applicable Interventional

A Breast Cancer Treatment Decision Aid for Women Aged 70 and Older

NCT02823262
View directory record Official record
Conditions
Breast Cancer, Estrogen Receptor Positive Breast Cancer, Node-negative Breast Cancer, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast
Interventions
Breast Cancer Treatment Decision Aid for women 70+, Usual Care
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
70 Years and older · Female only
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Sep 23, 2026, 5:03 PM EDT
Recruiting Phase 2 Interventional

Reishi Mushroom Extract for Fatigue and/or Arthralgias/Myalgias in Patients With Breast Cancer on Aromatase Inhibitors

NCT06028022
View directory record Official record
Conditions
Estrogen Receptor-Positive Breast Carcinoma
Interventions
Mushroom Extract, Placebo Administration, Quality-of-Life Assessment, Questionnaire Administration
Dietary Supplement · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
23
States / cities
Albert Lea, Minnesota • Baxter, Minnesota • Bemidji, Minnesota + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 23, 2026, 5:03 PM EDT
Completed Not applicable Interventional

Assessment of the Decision-making Impact of the Breast Cancer Index in Recommending Extended Adjuvant Endocrine Therapy for Patients With Early Stage ER-positive Breast Cancer

NCT02057029
View directory record Official record
Conditions
Breast Cancer, Early Stage Estrogen Receptor (ER) Positive Breast Cancer
Interventions
BCI Assay Results
Behavioral
Lead sponsor
Yale University
Other
Eligibility
Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Sep 23, 2026, 5:03 PM EDT
Terminated Not applicable Interventional Results available

Preoperative Stereotactic Ablative Body Radiotherapy (SABR) for Early-Stage Breast Cancer

NCT03137693
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Breast Adenocarcinoma
Interventions
Standard of Care Schedule Variation: SABR, Breast-conserving Surgery
Other · Procedure
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
50 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Sep 23, 2026, 5:03 PM EDT
Not listed Not applicable Interventional

A Text-based Intervention in Improving Adherence to Hormone Therapy in Patients With Stage I-III Hormone Receptor Positive Breast Cancer

NCT04086875
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Estrogen Receptor Positive Tumor, Progesterone Receptor Positive Tumor, Prognostic Stage I Breast Cancer AJCC v8, Prognostic Stage IA Breast Cancer AJCC v8, Prognostic Stage IB Breast Cancer AJCC v8, Prognostic Stage II Breast Cancer AJCC v8, Prognostic Stage IIA Breast Cancer AJCC v8, Prognostic Stage IIB Breast Cancer AJCC v8, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8
Interventions
Focus Group, Text Message, Best Practice, Questionnaire Administration
Behavioral · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Female only
Enrollment
332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
7
States / cities
Sewell, New Jersey • Abington, Pennsylvania • Doylestown, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2024 · Synced Sep 23, 2026, 5:03 PM EDT
Suspended Phase 1Phase 2 Interventional

A Study to Investigate the Safety, Tolerability, of APG-2575 as a Single Agent or in Combination for Breast Cancer

NCT04946864
View directory record Official record
Conditions
Breast Cancer, Solid Tumor, Adult
Interventions
APG-2575, Palbociclib
Drug
Lead sponsor
Ascentage Pharma Group Inc.
Industry
Eligibility
18 Years to 99 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
4
States / cities
Atlanta, Georgia • Austin, Texas • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2024 · Synced Sep 23, 2026, 5:03 PM EDT
Completed Phase 2 Interventional Results available

Letrozole and Imatinib Mesylate in Treating Postmenopausal Participants With Estrogen or Progesterone Positive Metastatic Breast Cancer

NCT00338728
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive, KIT Positive, PDGFR Positive, Postmenopausal, Progesterone Receptor Positive, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Imatinib Mesylate, Letrozole
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Female only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Sep 23, 2026, 5:03 PM EDT
Completed Phase 2 Interventional Results available

Alternative Dosing of Exemestane Before Surgery in Treating Postmenopausal Patients With Stage 0-II Estrogen Positive Breast Cancer

NCT02598557
View directory record Official record
Conditions
Stage 0 Breast Cancer AJCC v6 and v7, Stage I Breast Cancer AJCC v7, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7
Interventions
Exemestane, Laboratory Biomarker Analysis, Pharmacological Study, Placebo Administration, Quality-of-Life Assessment, Questionnaire Administration, Therapeutic Conventional Surgery
Drug · Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 75 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
3
States / cities
Tampa, Florida • New York, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Sep 23, 2026, 5:03 PM EDT
Active, not recruiting Phase 3 Interventional

Study of Pembrolizumab (MK-3475) Versus Placebo in Combination With Neoadjuvant Chemotherapy & Adjuvant Endocrine Therapy in the Treatment of Early-Stage Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative (ER+/HER2-) Breast Cancer (MK-3475-756/KEYNOTE-756)

NCT03725059
View directory record Official record
Conditions
Breast Cancer
Interventions
Pembrolizumab (K), Placebo (P), Paclitaxel (X), Doxorubicin (A), Epirubicin (E), Cyclophosphamide (C), Endocrine therapy, Radiation therapy, Surgery
Biological · Drug · Radiation + 1 more
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2031
U.S. locations
45
States / cities
Daphne, Alabama • Goodyear, Arizona • Tucson, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 23, 2026, 5:03 PM EDT
Active, not recruiting Phase 1 Interventional

Cancer Peptides Plus GM-CSF and Adjuvant in Breast Cancer

NCT04270149
View directory record Official record
Conditions
Breast Cancer
Interventions
ESR1 peptide vaccine
Biological
Lead sponsor
Herbert Lyerly
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 23, 2026, 5:03 PM EDT
Recruiting Phase 3 Interventional

A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence

NCT06492616
View directory record Official record
Conditions
Breast Cancer
Interventions
Elacestrant, Anastrozole, Letrozole, Exemestane, Tamoxifen
Drug
Lead sponsor
Stemline Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
4,220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
176
States / cities
Daphne, Alabama • Chandler, Arizona • Gilbert, Arizona + 139 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 23, 2026, 5:03 PM EDT
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 Sep 23, 2026, 5:03 PM EDT
Terminated Phase 2 Interventional Results available

Biology Guided Therapy for Breast Cancer for ER Positive

NCT04965688
View directory record Official record
Conditions
Breast Cancer, Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer
Interventions
Biopsy-Guided Therapy Selection
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Sep 23, 2026, 5:03 PM EDT
Recruiting No phase listed Observational

Longitudinal Tumor Burden Quantification Using Circulating Tumor DNA in Metastatic Lobular Breast Cancer

NCT06666439
View directory record Official record
Conditions
Metastatic Invasive Lobular Carcinoma (mILC)
Interventions
circulating tumor DNA (ctDNA)
Diagnostic Test
Lead sponsor
Julia Foldi
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 23, 2026, 5:03 PM EDT
Recruiting Phase 2 Interventional

DATO-BASE: DATOpotamab-deruxtecan for Breast Cancer Brain metAstaSEs

NCT06176261
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Metastatic Triple-Negative Breast Carcinoma, ER Positive Breast Cancer, HER2-negative Breast Cancer, HER2 Negative Breast Carcinoma, ER-negative Breast Cancer
Interventions
Datopotamab Deruxtecan
Drug
Lead sponsor
Nancy Lin, MD
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
3
States / cities
Miami, Florida • Boston, Massachusetts • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 23, 2026, 5:03 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 Sep 23, 2026, 5:03 PM EDT
Completed Phase 1 Interventional

Endoxifen in Adults With Hormone Receptor Positive Solid Tumors

NCT01273168
View directory record Official record
Conditions
Hormone Receptor-Positive Breast, Gynecologic, Desmoid, Hormone Receptor-Positive Neoplasms
Interventions
Z-Endoxifen
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 23, 2026, 5:03 PM EDT
Completed Phase 2 Interventional Results available

Palbociclib in Combination With Tamoxifen as First Line Therapy for Metastatic Hormone Receptor Positive Breast Cancer

NCT02668666
View directory record Official record
Conditions
Hormone Receptor Positive Malignant Neoplasm of Breast, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Estrogen Receptor Positive Breast Cancer, Progesterone Receptor Positive Tumor, Metastatic Breast Cancer
Interventions
Palbociclib, Tamoxifen
Drug
Lead sponsor
Oana Danciu, MD
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
7
States / cities
Chicago, Illinois • Lansing, Michigan • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 23, 2026, 5:03 PM EDT