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ClinicalTrials.gov public records Last synced Oct 22, 2026, 10:29 AM EDT

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Showing 1–24 of 153 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: PR-Positive Breast Cancer Clear all
Active, not recruiting Phase 2 Interventional

FES PET/CT in Predicting Response in Patients With Newly Diagnosed Metastatic Breast Cancer Receiving Endocrine Therapy

NCT02398773
View directory record Official record
Conditions
HER2/Neu Negative, Progesterone Receptor Negative, Progesterone Receptor Positive, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Computed Tomography, F-18 16 Alpha-Fluoroestradiol, Laboratory Biomarker Analysis, Positron Emission Tomography
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
25
States / cities
Birmingham, Alabama • Duarte, California • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 22, 2026, 10:29 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 24, 2026 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

Docetaxel and Cyclophosphamide Compared to Anthracycline-Based Chemotherapy in Treating Women With HER2-Negative Breast Cancer

NCT01547741
View directory record Official record
Conditions
Breast Cancer
Interventions
Doxorubicin, Cyclophosphamide, Docetaxel, Paclitaxel
Drug
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older · Female only
Enrollment
4,242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2025
U.S. locations
914
States / cities
Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 612 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Early Phase 1 Interventional Results available

Durvalumab and Tremelimumab Before Surgery in Treating Patients With Hormone Receptor Positive, HER2 Negative Stage II-III Breast Cancer

NCT03132467
View directory record Official record
Conditions
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Anatomic Stage IIB Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, 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
Durvalumab, Tremelimumab
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2024 · Synced Oct 22, 2026, 10:29 AM EDT
Terminated Not applicable Interventional Results available

Biomarkers in Tissue Samples From Patients With Newly Diagnosed Breast Cancer Treated With Zoledronic Acid

NCT01409811
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, Invasive Ductal Breast Carcinoma, Progesterone Receptor-positive Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer
Interventions
zoledronic acid, laboratory biomarker analysis, therapeutic conventional surgery
Drug · Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated May 8, 2020 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Zoledronic Acid in Aromatase Inhibitor Induced Musculoskeletal Symptoms

NCT01194440
View directory record Official record
Conditions
Ductal Carcinoma in Situ, Estrogen Receptor-positive Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
letrozole, zoledronic acid
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 22, 2026, 10:29 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 13, 2023 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Preoperative Dose-dense Doxorubicin and Cyclophosphamide Followed by Paclitaxel With Bevacizumab in Operable Breast Cancer

NCT00546156
View directory record Official record
Conditions
Breast Cancer
Interventions
Doxorubicin, Cyclophosphamide, Paclitaxel, Bevacizumab
Drug
Lead sponsor
Ian E. Krop, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
4
States / cities
Boston, Massachusetts • Hooksett, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

S0800, Nab-Paclitaxel, Doxorubicin, Cyclophosphamide, and Pegfilgrastim With or Without Bevacizumab in Treating Women With Inflammatory or Locally Advanced Breast Cancer

NCT00856492
View directory record Official record
Conditions
Breast Cancer
Interventions
bevacizumab, pegfilgrastim, cyclophosphamide, doxorubicin hydrochloride, paclitaxel albumin-stabilized nanoparticle formulation
Biological · Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older · Female only
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
365
States / cities
Mobile, Alabama • Little Rock, Arkansas • Berkeley, California + 260 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Accelerated Partial Breast Radiation Therapy Using High-Dose Rate Brachytherapy in Treating Patients With Early Stage Breast Cancer After Surgery

NCT02526498
View directory record Official record
Conditions
Ductal Breast Carcinoma In Situ, Estrogen Receptor Positive, Invasive Breast Carcinoma, Progesterone Receptor Positive, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage IIA Breast Cancer
Interventions
Accelerated Partial Breast Irradiation, High-Dose Rate Brachytherapy, Questionnaire Administration
Radiation · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
45 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
10
States / cities
Gilbert, Arizona • La Jolla, California • Royal Oak, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Tamoxifen Citrate in Treating Patients With Metastatic or Recurrent Breast Cancer

NCT01124695
View directory record Official record
Conditions
Breast Cancer, Stage IV Breast Cancer
Interventions
tamoxifen
Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
292
States / cities
Birmingham, Alabama • Mobile, Alabama • Fort Smith, Arkansas + 203 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 22, 2026, 10:29 AM EDT
Not listed No phase listed Observational

Biomarkers in Predicting Response to Tamoxifen and Letrozole in Postmenopausal Women With Primary Breast Cancer Treated on Clinical Trial CAN-NCIC-MA17

NCT00897065
View directory record Official record
Conditions
Breast Cancer
Interventions
microarray analysis, polymerase chain reaction, protein expression analysis, diagnostic laboratory biomarker analysis, fluorescent antibody technique, immunohistochemistry staining method, immunologic technique
Genetic · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Female only
Enrollment
957 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Anastrozole and ZD1839 Compared With Fulvestrant and ZD1839 in Postmenopausal Women w/ Metastatic Breast Cancer

NCT00057941
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
anastrozole, gefitinib, fulvestrant, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2014 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 1 Interventional

Phase Ib, Dose Escalation Study of Oral LDE225 in Combination With BKM120 in Patients With Advanced Solid Tumors

NCT01576666
View directory record Official record
Conditions
Dose Escalation, Safety, Preliminary Efficacy, Advanced Solid Tumors, Metastatic Breast Cancer, Advanced Pancreatic Adenocarcinoma, Metastatic Colorectal Cancer, Recurrent Glioblastoma Multiforme, Gastric Cancer, Gastroesophageal Junction Cancer, Triple Negative Metastatic Breast Cancer, Hormone Receptor Positive (ER+/PR+, and Her2-) Metastatic Breast Cancer
Interventions
LDE225, BKM120
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
13
States / cities
Los Angeles, California • San Francisco, California • Tampa, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 1 Interventional Results available

TEEL Study- Phase 1 Tamoxifen and Ribociclib (LEE011) in Advanced ER+ (HER2 Negative) Breast Cancer

NCT02586675
View directory record Official record
Conditions
Breast Cancer, Breast Cancer - Female, Breast Cancer - Male
Interventions
Tamoxifen, Ribociclib, Goserelin
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 21, 2022 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Not applicable Interventional

Lifestyle Intervention Study in Adjuvant Treatment of Early Breast Cancer

NCT00463489
View directory record Official record
Conditions
Breast Cancer
Interventions
Lifestyle intervention, Mail-based
Behavioral
Lead sponsor
Ontario Clinical Oncology Group (OCOG)
Other
Eligibility
Female only
Enrollment
338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
4
States / cities
Torrance, California • Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

Study of Efficacy and Safety in Premenopausal Women With Hormone Receptor Positive, HER2-negative Advanced Breast Cancer

NCT02278120
View directory record Official record
Conditions
Advanced Metastatic Breast Cancer
Interventions
Ribociclib, Tamoxifen, Letrozole, Anastrozole, Goserelin, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 59 Years · Female only
Enrollment
672 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
35
States / cities
Bakersfield, California • Los Angeles, California • Denver, Colorado + 29 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 22, 2026, 10:29 AM EDT
Terminated Phase 2 Interventional Results available

Neoadj ph 2 AI Plus Everolimus in Postmenopausal Women w/ ER Pos/HER2 Neg, Low Risk Score

NCT02236572
View directory record Official record
Conditions
Breast Cancer
Interventions
Everolimus
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Oct 22, 2026, 10:29 AM EDT
Completed No phase listed Observational

Pharmacogenetics of Anastrozole in Postmenopausal Women With Estrogen Receptor-Positive and/or Progesterone Receptor-Positive Stage I, Stage II, or Stage III Breast Cancer

NCT00283608
View directory record Official record
Conditions
Breast Cancer
Interventions
Single nucleotide polymorphism (SNP), high performance liquid chromatography, measurements by DXA, questionnaire administration
Genetic · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
4
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated May 16, 2011 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 1 Interventional

Viral Therapy In Treating Patients With Recurrent or Metastatic Squamous Cell Carcinoma of the Head and Neck Cancer or Metastatic Breast Cancer

NCT01846091
View directory record Official record
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, Head and Neck Squamous Cell Carcinoma, HER2/Neu Negative, HER2/Neu Positive, Invasive Breast Carcinoma, Progesterone Receptor Negative, Progesterone Receptor Positive, Recurrent Head and Neck Carcinoma, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Laboratory Biomarker Analysis, Oncolytic Measles Virus Encoding Thyroidal Sodium Iodide Symporter
Other · Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 14, 2023 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Combination Chemotherapy and Peripheral Blood Stem Cell Transplant Followed By Aldesleukin and Sargramostim in Treating Patients With Inflammatory Stage IIIB or Metastatic Stage IV Breast Cancer

NCT00003199
View directory record Official record
Conditions
Estrogen Receptor-negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, Inflammatory Breast Cancer, Male Breast Cancer, Progesterone Receptor-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage IIIB Breast Cancer, Stage IV Breast Cancer
Interventions
tamoxifen citrate, busulfan, thiotepa, melphalan, aldesleukin, sargramostim, peripheral blood stem cell transplantation, radiation therapy
Drug · Biological · Procedure + 1 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
19 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 12, 2017 · Synced Oct 22, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

Paclitaxel, Nab-paclitaxel, or Ixabepilone With or Without Bevacizumab in Treating Patients With Stage IIIC or Stage IV Breast Cancer

NCT00785291
View directory record Official record
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, HER2/Neu Positive, Progesterone Receptor Negative, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IIIC Breast Cancer AJCC v6, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Bevacizumab, Ixabepilone, Laboratory Biomarker Analysis, Nab-paclitaxel, Paclitaxel, Questionnaire Administration
Biological · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
799 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
703
States / cities
Scottsdale, Arizona • Fort Smith, Arkansas • Jonesboro, Arkansas + 472 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 22, 2026, 10:29 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 Feb 1, 2013 · Synced Oct 22, 2026, 10:29 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 14, 2025 · Synced Oct 22, 2026, 10:29 AM EDT