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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 1 Interventional

A Trial to Evaluate Ovarian Suppression Following Subcutaneous ZOLADEX 10.8 mg in Premenopausal Women With Early-stage and Advanced HR+ Breast Cancer

NCT07310420
View directory record Official record
Conditions
Advanced Breast Cancer, Early Breast Cancer
Interventions
ZOLADEX
Drug
Lead sponsor
TerSera Therapeutics LLC
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
23
States / cities
Hot Springs, Arkansas • Washington D.C., District of Columbia • Ocoee, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 3 Interventional

The Evaluation of the Efficacy and Tolerability of FASLODEX (Fulvestrant) and AROMASIN (Exemestane) in Hormone Receptor Positive Postmenopausal Women With Advanced Breast Cancer

NCT00065325
View directory record Official record
Conditions
Locally Advanced Breast Cancer, Metastatic Breast Cancer
Interventions
Fulvestrant, Exemestane
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
32 Years to 91 Years · Female only
Enrollment
694 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2014
U.S. locations
51
States / cities
Birmingham, Alabama • Arcadia, California • Fountain Valley, California + 48 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2015 · Synced Sep 25, 2026, 5:26 AM EDT
Active, not recruiting Phase 2 Interventional

Clinical Trial Assessing the Safety of Neoadjuvant Palbociclib in Combination With Endocrine Therapy

NCT05069038
View directory record Official record
Conditions
Breast Cancer
Interventions
Palbociclib 125mg
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 2 Interventional Results available

A Study of Pertuzumab in Combination With Trastuzumab Plus an Aromatase Inhibitor in Participants With Metastatic Human Epidermal Growth Factor Receptor 2 (HER2)-Positive and Hormone Receptor-Positive Advanced Breast Cancer

NCT01491737
View directory record Official record
Conditions
Breast Cancer
Interventions
Pertuzumab, Trastuzumab, Aromatase Inhibitor, Induction Chemotherapy
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
21
States / cities
Birmingham, Alabama • Chandler, Arizona • Hot Springs, Arkansas + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Sep 25, 2026, 5:26 AM EDT
Recruiting Phase 2 Interventional

Correlation of Clinical Response to Pathologic Response in Patients With Early Breast Cancer

NCT05020860
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasm, Breast Cancer Female, Breast Cancer Invasive, Breast Cancer Stage II, Breast Cancer Stage III, Triple Negative Breast Cancer, Hormone Receptor-positive Breast Cancer, HER2-positive Breast Cancer, Triple Negative Breast Neoplasms, Estrogen Receptor-positive Breast Cancer
Interventions
Paclitaxel, Carboplatin, Trastuzumab, Pertuzumab, Doxorubicin, Cyclophosphamide, Pembrolizumab, Pertuzumab/Trastuzumab/Hyaluronidase-zzxf
Drug
Lead sponsor
Baylor Breast Care Center
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 2 Interventional Results available

Exemestane or Docetaxel-Cytoxan in Low Recurrence Score Cancers

NCT00941330
View directory record Official record
Conditions
Breast Cancer
Interventions
Exemestane, Docetaxel, Cytoxan
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 1 Interventional

Radiation Therapy and M7824 in Treating Patients With Metastatic Hormone Receptor Positive, HER2 Negative Breast Cancer

NCT03524170
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Bintrafusp Alfa, Radiation Therapy
Drug · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2022 · Synced Sep 25, 2026, 5:26 AM EDT
Recruiting Phase 1 Interventional

A Study to Compare the Steady-State Bioavailability of Injectable Letrozole SIE and Oral Letrozole in Post-Menopausal Women With Hormone Receptor Positive Early Breast Cancer

NCT07401381
View directory record Official record
Conditions
Hormone Receptor Positive Early Breast Cancer
Interventions
US-sourced oral Femara® + Letrozole SIE, EU sourced oral Femara® + Letrozole SIE
Drug
Lead sponsor
Rovi Pharmaceuticals Laboratories
Industry
Eligibility
18 Years to 80 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Beverly Hills, California • Margate, Florida • Port Orange, Florida
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Non-Hormonal Vaginal Moisturizer in Hormone-Receptor Positive Postmenopausal Cancer Survivors Experiencing Estrogen Deprivation Symptoms on Vulvovaginal Health

NCT01738152
View directory record Official record
Conditions
Breast Cancer, Endometrial Cancer
Interventions
HLA vaginal gel (HyaloGYN®),, questionnaires
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 3 Interventional Results available

Fulvestrant With or Without Lapatinib in Treating Postmenopausal Women With Stage III or Stage IV Breast Cancer That is Hormone Receptor-Positive

NCT00390455
View directory record Official record
Conditions
Estrogen Receptor Positive, HER2 Positive Breast Carcinoma, HER2/Neu Negative, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Fulvestrant, Laboratory Biomarker Analysis, Lapatinib Ditosylate, Placebo Administration
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
368
States / cities
Little Rock, Arkansas • Arroyo Grande, California • Burbank, California + 259 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2019 · Synced Sep 25, 2026, 5:26 AM 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 Sep 25, 2026, 5:26 AM EDT
Completed Phase 3 Interventional Results available

Phase III Study of BKM120/Placebo With Fulvestrant in Postmenopausal Patients With Hormone Receptor Positive HER2-negative Locally Advanced or Metastatic Breast Cancer Refractory to Aromatase Inhibitor

NCT01610284
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant, BKM120, BKM120 matching placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
61
States / cities
Mobile, Alabama • Phoenix, Arizona • Fayetteville, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 3 Interventional Results available

A Study of Palbociclib in Addition to Standard Endocrine Treatment in Hormone Receptor Positive Her2 Normal Patients With Residual Disease After Neoadjuvant Chemotherapy and Surgery

NCT01864746
View directory record Official record
Conditions
Breast Cancer, Hormonreceptor Positive, Her2-normal, Postneoadjuvant Treatment With CDK 4/6 Inhibitor, CPS-EG Score
Interventions
Palbociclib PD-0332991, Placebo
Drug
Lead sponsor
GBG Forschungs GmbH
Other
Eligibility
18 Years and older · Female only
Enrollment
1,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Sep 25, 2026, 5:26 AM EDT
Recruiting Phase 2 Interventional

A Study of Radiation Therapy With Pembrolizumab and Olaparib or Other Radiosensitizers in Women Who Have Triple-Negative or Hormone-Receptor Positive/Her2 Negative Breast Cancer

NCT04683679
View directory record Official record
Conditions
Triple Negative Breast Cancer, TNBC - Triple-Negative Breast Cancer, Breast Cancer, Metastatic Breast Cancer
Interventions
Pembrolizumab, Olaparib, Radiation
Drug · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
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 16, 2026 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 2 Interventional Results available

Study Of Letrozole With Or Without Palbociclib (PD-0332991) For The First-Line Treatment Of Hormone-Receptor Positive Advanced Breast Cancer

NCT00721409
View directory record Official record
Conditions
Breast Cancer
Interventions
PD 0332991, letrozole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
51
States / cities
Alhambra, California • Bakersfield, California • Fullerton, California + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 2 Interventional Results available

Pembrolizumab and Doxorubicin Hydrochloride or Anti-Estrogen Therapy in Treating Patients With Triple-Negative or Hormone Receptor-Positive Metastatic Breast Cancer

NCT02648477
View directory record Official record
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Negative, Progesterone Receptor Positive, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Anastrozole, Doxorubicin Hydrochloride, Exemestane, Laboratory Biomarker Analysis, Letrozole, Pembrolizumab
Drug · Other · Biological
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
6
States / cities
Corona, California • Duarte, California • Lancaster, California + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Sep 25, 2026, 5:26 AM EDT
Terminated Phase 2 Interventional Results available

PhII Neo-Adjuvant Letrozole & Lapatinib in Pts w/HER2+ & Hormone Receptor+ Operable Breast CA SPORE

NCT00499681
View directory record Official record
Conditions
Breast Cancer
Interventions
lapatinib ditosylate, letrozole, placebo
Drug · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
4
States / cities
Boston, Massachusetts • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 9, 2012 · Synced Sep 25, 2026, 5:26 AM 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 – 2027
U.S. locations
14
States / cities
Birmingham, Alabama • Costa Mesa, California • Orange, California + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 25, 2026, 5:26 AM 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 Sep 25, 2026, 5:26 AM EDT
Recruiting Phase 1Phase 2 Interventional

Phase 1/2 Study to Evaluate EP0062 as Monotherapy and in Combination in Patients With Advanced or Metastatic AR+/HER-2-/ER+ Breast Cancer

NCT05573126
View directory record Official record
Conditions
Hormone Receptor-positive Breast Cancer, Hormone Receptor Positive HER-2 Negative Breast Cancer, Metastatic Breast Cancer
Interventions
EP0062, Elacestrant, Everolimus, Abemaciclib, Fulvestrant, Exemestane
Drug
Lead sponsor
Ellipses Pharma
Industry
Eligibility
18 Years and older · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
7
States / cities
New Haven, Connecticut • Tampa, Florida • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 25, 2026, 5:26 AM EDT
Completed No phase listed Observational

A Study to Learn About the Relationship Between Hepatic Impairment and Myelosuppression (Decreased Bone Marrow Function) in Breast Cancer Patients Treated With the Study Medicine Palbociclib (Pal-bow-sai-klib)

NCT05912933
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,342 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 25, 2026, 5:26 AM EDT
Completed Phase 2 Interventional Results available

Preoperative Hormone Therapy for Postmenopausal Women With ER+ Clinical Stage T2-4 Tumors

NCT01831076
View directory record Official record
Conditions
Breast Cancer, Stage II Breast Cancer, Stage III Breast Cancer
Interventions
Exemestane, Exemestane and tamoxifen
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Sep 25, 2026, 5:26 AM 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 25, 2026, 5:26 AM EDT
Completed Not applicable Interventional Results available

Pilot Study Estradiol Followed by Exemestane Hormone Receptor + Metastatic Breast Cancer

NCT01385280
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, Progesterone Receptor Positive Tumor, Recurrent Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
therapeutic estradiol, exemestane, laboratory biomarker analysis, enzyme-linked immunosorbent assay
Biological · Drug · Other
Lead sponsor
University of Arizona
Other
Eligibility
Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Sep 25, 2026, 5:26 AM EDT