Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 13, 2026, 8:51 PM EDT

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Showing 121–144 of 411 matching trials from the live ClinicalTrials.gov search.
Conditions
Breast Cancer
Interventions
oophorectomy, Tamoxifen
Procedure · Drug
Lead sponsor
International Breast Cancer Research Foundation
Other
Eligibility
18 Years and older · Female only
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Breast Cancer
Interventions
leuprolide, letrozole, zoledronic acid
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
4
States / cities
Denver, Colorado • Boston, Massachusetts • Newton, Massachusetts
Conditions
Metastatic Breast Cancer
Interventions
Palbociclib, Fulvestrant, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
521 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
134
States / cities
Birmingham, Alabama • Daphne, Alabama • Mobile, Alabama + 90 more
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
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
Conditions
Breast Cancer
Interventions
BIIB021, exemestane (Aromasin)
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older · Female only
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
19
States / cities
Alabaster, Alabama • Encinitas, California • Gilroy, California + 15 more
Conditions
Advanced Breast Carcinoma, Locally Advanced Breast Carcinoma, Metastatic Breast Carcinoma, Recurrent Breast Carcinoma, Stage III Breast Cancer AJCC v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Biopsy, Biospecimen Collection, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Conditions
Breast Cancer, HER2-negative Breast Cancer, ER Positive Breast Cancer, PR-Positive Breast Cancer
Interventions
Infigratinib, Tamoxifen, Omnipaque 350, Iopamidol, Computed tomography (CT)
Drug · Diagnostic Test
Lead sponsor
Jennifer Lee Caswell-Jin
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Stanford, California
Conditions
Hormone Receptor Positive Breast Carcinoma, HER2-negative Breast Cancer, PIK3CA Mutant Metastatic Breast Cancer
Interventions
Alpelisib, Fulvestrant, Aromatase inhibitor
Drug
Lead sponsor
Marina N Sharifi
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
4
States / cities
Chicago, Illinois • Omaha, Nebraska • Hershey, Pennsylvania + 1 more
Conditions
Metastatic Breast Cancer
Interventions
IMC-A12 (cixutumumab), tamoxifen, Anastrozole, Letrozole, Exemestane, Fulvestrant
Biological · Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
9
States / cities
Scottsdale, Arizona • Chicago, Illinois • Westwood, Kansas + 6 more
Conditions
BREAST CANCER
Interventions
Iressa Day 1 given with Arimidex and Faslodex, Iressa Day 21 given with Arimidex and Faslodex
Drug
Lead sponsor
Baylor Breast Care Center
Other
Eligibility
18 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Cancer, Breast Neoplasms, Breast Cancers
Interventions
Tirzepatide
Drug
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Breast Cancer
Interventions
Abemaciclib, Anastrozole, Letrozole, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
20
States / cities
Chandler, Arizona • Springdale, Arkansas • Bakersfield, California + 13 more
Conditions
Small Cell Lung Cancer, Ovarian Cancer, Breast Cancer
Interventions
PF-07104091 monotherapy dose escalation, PF-07104091 + palbociclib + fulvestrant, PF-07104091 + palbociclib + letrozole, PF-07104091 monotherapy dose expansion (ovarian), PF-07104091 monotherapy dose expansion (SCLC), PF-07104091 + Fulvestrant (post CDK4/6), PF-0704091 + Fulvestrant (post CDK4/6)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
17
States / cities
Clive, Iowa • Des Moines, Iowa • Louisville, Kentucky + 7 more
Conditions
Breast Cancer
Interventions
Abemaciclib, Standard Adjuvant Endocrine Therapy
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
5,637 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
162
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 104 more
Conditions
Advanced Hormone Receptor-Positive Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Hormone Receptor-Positive Breast Carcinoma, Unresectable Hormone Receptor-Positive Breast Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Scan, Computed Tomography, Electronic Health Record Review, Magnetic Resonance Imaging, Positron Emission Tomography, Treatment Planning, Treatment Regimen
Procedure · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Duarte, California • Irvine, California
Conditions
Breast Neoplasms, Neoplasms, Hormone-Dependent
Interventions
Atamestane, toremifene, letrozole
Drug
Lead sponsor
Intarcia Therapeutics
Industry
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
6
States / cities
Greenbrae, California • Saint Joseph, Michigan • Kansas City, Missouri + 3 more
Conditions
Hormone-receptor Positive Breast Cancer
Interventions
exemestane and pazopanib
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
San Francisco, California
Conditions
Hormone Receptor Positive HER-2 Negative Metastatic Breast Cancer
Interventions
Zumsemetinib, Capecitabine, Zoledronic acid, Denosumab
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
3
States / cities
Westwood, Kansas • Rochester, Minnesota • St Louis, Missouri
Conditions
Breast Cancer
Interventions
TOL2506, Tamoxifen, Letrozole Tablets, Anastrozole Tablets, Exemestane Tablets
Drug
Lead sponsor
Tolmar Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
17
States / cities
Greenbrae, California • Parker, Colorado • Chicago, Illinois + 14 more
Conditions
Breast Cancer, Solid Tumors, Adult
Interventions
STX-478, Fulvestrant, Ribociclib, Palbociclib, Letrozole, Anastrozole, Exemestane, Tamoxifen, Abemaciclib, Imlunestrant, Metformin
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
28
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 22 more
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
Conditions
Advanced Solid Tumors, Advanced Breast Cancer
Interventions
ETX-636 dose escalation, ETX-636 dose escalation in combination with fulvestrant, ETX-636 dose expansion in combination with fulvestrant
Drug
Lead sponsor
Ensem Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
10
States / cities
Newport Beach, California • San Francisco, California • New Haven, Connecticut + 6 more
Conditions
Breast Cancer
Interventions
Inavolisib, Placebo, Palbociclib, Fulvestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
10
States / cities
Beverly Hills, California • Boston, Massachusetts • New York, New York + 7 more