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ClinicalTrials.gov public records Last synced Sep 24, 2026, 5:35 AM EDT

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Showing 1–24 of 145 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Progesterone Receptor-positive Breast Cancer Clear all
Recruiting Phase 1Phase 2 Interventional

The Evaluation of PC14586 in Patients With Advanced Solid Tumors Harboring a TP53 Y220C Mutation (PYNNACLE)

NCT04585750
View directory record Official record
Conditions
Advanced Solid Tumor, Advanced Malignant Neoplasm, Metastatic Cancer, Metastatic Solid Tumor, Lung Cancer, Ovarian Cancer, Endometrial Cancer, Prostate Cancer, Colorectal Cancer, Breast Cancer, Other Cancer, Locally Advanced, Head and Neck Cancer, Gall Bladder Cancer, Small Cell Lung Cancer, Small Cell Lung Cancer ( SCLC ), Small Cell Lung Carcinoma, NSCLC, NSCLC (Non-small Cell Lung Cancer), SCLC, Non-Small Cell Lung Carcinoma, Triple Negative Breast Cancer, TNBC, HER2+ Breast Cancer, Non-Small Cell Lung Cancer, ER/PR Positive Breast Cancer, HER2- Breast Cancer, HER2-positive Breast Cancer, HER2-negative Breast Cancer, ER/PR(+), Her2(-) Breast Cancer
Interventions
rezatapopt, pembrolizumab
Drug
Lead sponsor
PMV Pharmaceuticals, Inc
Industry
Eligibility
12 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
33
States / cities
Irvine, California • La Jolla, California • Los Angeles, California + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 24, 2026, 5:35 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Tucatinib, Palbociclib and Letrozole in Metastatic Hormone Receptor Positive and HER2-positive Breast Cancer

NCT03054363
View directory record Official record
Conditions
Breast Cancer
Interventions
Tucatinib in Combination with Palbociclib and Letrozole
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
6
States / cities
Tucson, Arizona • Aurora, Colorado • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 24, 2026, 5:35 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Phase-3, Open-Label, Randomized Study of Dato-DXd Versus Investigator's Choice of Chemotherapy (ICC) in Participants With Inoperable or Metastatic HR-Positive, HER2-Negative Breast Cancer Who Have Been Treated With One or Two Prior Lines of Systemic Chemotherapy (TROPION-Breast01)

NCT05104866
View directory record Official record
Conditions
Breast Cancer
Interventions
Dato-DXd, Capecitabine, Gemcitabine, Eribulin, Vinorelbine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
732 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
14
States / cities
Duarte, California • Los Angeles, California • Palo Alto, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 24, 2026, 5:35 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 24, 2026, 5:35 AM EDT
Completed Phase 3 Interventional Results available

Suppression of Ovarian Function With Either Tamoxifen or Exemestane Compared With Tamoxifen Alone in Treating Premenopausal Women With Hormone-Responsive Breast Cancer

NCT00066690
View directory record Official record
Conditions
Estrogen Receptor Positive Breast Cancer, Progesterone Receptor Positive Tumor, Recurrent Breast Carcinoma, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer
Interventions
Exemestane, Laboratory Biomarker Analysis, Oophorectomy, Quality-of-Life Assessment, Radiation Therapy, Tamoxifen, Triptorelin
Drug · Other · Procedure + 1 more
Lead sponsor
ETOP IBCSG Partners Foundation
Network
Eligibility
18 Years to 65 Years · Female only
Enrollment
3,066 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2024
U.S. locations
480
States / cities
Birmingham, Alabama • Anchorage, Alaska • Scottsdale, Arizona + 323 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 24, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Results available

Phase II Trial of SAHA & Tamoxifen for Patients With Breast Cancer

NCT00365599
View directory record Official record
Conditions
Breast Cancer
Interventions
suberoylanilide hydroxamic acid (SAHA, Vorinostat), tamoxifen citrate (Tamoxifen)
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
8
States / cities
San Francisco, California • Boynton Beach, Florida • Orlando, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2014 · Synced Sep 24, 2026, 5:35 AM 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 24, 2026, 5:35 AM 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 24, 2026, 5:35 AM 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 24, 2026, 5:35 AM 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 24, 2026, 5:35 AM 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 24, 2026, 5:35 AM EDT
Completed Phase 3 Interventional Results available

Chemotherapy With or Without Trastuzumab After Surgery in Treating Women With Invasive Breast Cancer

NCT01275677
View directory record Official record
Conditions
HER2/Neu Positive, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7
Interventions
Cyclophosphamide, Docetaxel, Doxorubicin, Doxorubicin Hydrochloride, Laboratory Biomarker Analysis, Paclitaxel, Quality-of-Life Assessment, Trastuzumab
Drug · Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
3,270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1259
States / cities
Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 797 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Sep 24, 2026, 5:35 AM 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 24, 2026, 5:35 AM 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 24, 2026, 5:35 AM EDT
Completed Phase 2 Interventional

Letrozole, Herceptin in Her2neu +, Estrogen Receptor [ER] and/or Progesterone Receptor [PR] Positive, MBC

NCT00134680
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Letrozole, Trastuzumab
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2014 · Synced Sep 24, 2026, 5:35 AM EDT
Terminated Phase 2 Interventional Results available

Radiation Therapy in Treating Post-Menopausal Women With Early Stage Breast Cancer Undergoing Surgery

NCT01754519
View directory record Official record
Conditions
Ductal Breast Carcinoma In Situ, Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Invasive Cribriform Breast Carcinoma, Invasive Ductal Carcinoma, Not Otherwise Specified, Lobular Breast Carcinoma In Situ, Mucinous Breast Carcinoma, Papillary Breast Carcinoma, Progesterone Receptor Positive, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIC Breast Cancer, Tubular Breast Carcinoma
Interventions
Therapeutic Conventional Surgery, Radiation Therapy, Laboratory Biomarker Analysis, Quality-of-Life Assessment
Procedure · Radiation · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Sep 24, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Results available

Lapatinib and Tamoxifen in Treating Patients With Locally Advanced or Metastatic Breast Cancer That Did Not Respond to Previous Tamoxifen

NCT00118157
View directory record Official record
Conditions
Estrogen Receptor Positive, Male Breast Carcinoma, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
Laboratory Biomarker Analysis, Lapatinib Ditosylate, Tamoxifen Citrate
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
2
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2017 · Synced Sep 24, 2026, 5:35 AM EDT
Terminated Phase 3 Interventional Results available

STRIDE - STimulating Immune Response In aDvanced brEast Cancer

NCT00925548
View directory record Official record
Conditions
Breast Cancer
Interventions
Tecemotide (L-BLP25) and Hormonal Treatment, Placebo of tecemotide (L-BLP25) and Hormonal Treatment, cyclophosphamide, sodium chloride (NaCl)
Biological · Drug
Lead sponsor
EMD Serono
Industry
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Hickory, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Sep 24, 2026, 5:35 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Higher Per Daily Treatment-Dose Radiation Therapy or Standard Per Daily Treatment Radiation Therapy in Treating Patients With Early-Stage Breast Cancer That Was Removed by Surgery

NCT01349322
View directory record Official record
Conditions
Breast Cancer
Interventions
Standard fractionation whole breast irradiation, Hypofractionated whole breast irradiation, Concurrent boost, Sequential boost
Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Female only
Enrollment
2,354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
386
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tucson, Arizona + 304 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 24, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Results available

Cabozantinib +/- Trastuzumab In Breast Cancer Patients w/ Brain Metastases

NCT02260531
View directory record Official record
Conditions
Breast Cancer, Brain Tumor - Metastatic
Interventions
Cabozantinib, Trastuzumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Sep 24, 2026, 5:35 AM 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 Sep 24, 2026, 5:35 AM EDT
Completed Phase 3 Interventional Results available

Study of Efficacy and Safety of LEE011 in Postmenopausal Women With Advanced Breast Cancer

NCT01958021
View directory record Official record
Conditions
Advanced, Metastatic Breast Cancer
Interventions
Ribociclib, Letrozole, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years · Female only
Enrollment
668 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
73
States / cities
Chandler, Arizona • Sedona, Arizona • Fayetteville, Arkansas + 62 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 24, 2026, 5:35 AM EDT
Withdrawn Phase 1Phase 2 Interventional

A Rollover Protocol of Elacestrant, in Combination With Onapristone, for Patients With ER+, PR+, HER2- Advanced or Metastatic Breast Cancer

NCT06938711
View directory record Official record
Conditions
Breast Cancer
Interventions
Elacestrant, Onapristone
Drug
Lead sponsor
Context Therapeutics Inc.
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 21, 2025 · Synced Sep 24, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Results available

Trial of Exemestane +/- MM-121 in Postmenopausal Women With Locally Advanced or Metastatic Estrogen Receptor Positive and/or Progesterone Receptor Positive Her2 Negative Breast Cancer

NCT01151046
View directory record Official record
Conditions
Her2 Negative Breast Cancer Patients
Interventions
MM-121, Placebo, Exemestane
Drug
Lead sponsor
Merrimack Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
18
States / cities
Birmingham, Alabama • Glendale, Arizona • Anaheim, California + 13 more
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Sep 24, 2026, 5:35 AM EDT