Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 15, 2026, 3:19 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 223 matching trials from the live ClinicalTrials.gov search.
Conditions
Breast Neoplasms, Neoplasm Metastasis
Interventions
LY4064809, Placebo, Ribociclib, Palbociclib, Abemaciclib, Anastrozole, Letrozole, Exemestane, Fulvestrant
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2033
U.S. locations
132
States / cities
Anchorage, Alaska • Chandler, Arizona • Phoenix, Arizona + 112 more
Conditions
Metabolic Syndrome
Interventions
intravenous glucose tolerance test, testosterone, anastrozole, goserelin acetate implant, aerobic capacity (VO2 Max), MRI, muscle biopsy, measurement of resting metabolic rate (energy expenditure), Dual energy x-ray absorptiometry, Fasting oral glucose tolerance test
Procedure · Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
50 Years to 75 Years · Male only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland • Boston, Massachusetts
Conditions
HER2-positive Breast Cancer, Invasive Carcinoma of the Breast, Breast Cancer, Node Negative Breast Cancer, Micrometastasis Breast Cancer, Hormone Receptor Positive Breast Cancer
Interventions
Pertuzumab+TRASTUZUMAB, ADJUVANT ENDOCRINE THERAPY
Combination Product · Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2032
U.S. locations
32
States / cities
Stamford, Connecticut • Miami, Florida • Atlanta, Georgia + 20 more
Conditions
Breast Cancer, Adjuvant Treatment, Early Stage Breast Cancer
Interventions
Switch, Guideline Directed Intervention (GDI)
Drug · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
Breast Neoplasms
Interventions
Abemaciclib, Tersolisib, Letrozole, Anastrozole, Exemestane
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
9
States / cities
Los Alamitos, California • Lakewood, Colorado • Atlanta, Georgia + 6 more
Conditions
Metastatic Breast Cancer, Tumor, Muscle Neoplasms, Chronic Pain
Interventions
Method(s)1 Attribution, Method(s)2 Attribution,
Drug
Lead sponsor
DR. DIANE CHISESI NFS. MD. PHD.
Other
Eligibility
44 Years to 59 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Colorado Springs, Colorado
Conditions
Male Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
vorinostat, laboratory biomarker analysis, biopsy, F-18 16 alpha-fluoroestradiol, positron emission tomography, anastrozole, letrozole, exemestane, gene expression analysis
Drug · Other · Procedure + 2 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Breast Cancer Female
Interventions
tamoxifen, letrozole, anastrozole, or exemestane, Patient reported outcomes
Drug · Behavioral
Lead sponsor
Shayna Showalter, MD
Other
Eligibility
65 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
2
States / cities
Charlottesville, Virginia • Richmond, Virginia
Conditions
ER-Positive HER2-Negative Breast Cancer
Interventions
AZD9833, AZD9833 Placebo, Anastrozole, Anastrozole placebo, Letrozole, Letrozole placebo, Palbociclib, Abemaciclib, Luteinizing hormone-releasing hormone (LHRH) agonist, Ribociclib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
64
States / cities
Phoenix, Arizona • Hot Springs, Arkansas • Little Rock, Arkansas + 56 more
Conditions
Early Breast Cancer
Interventions
Giredestrant, Anastrozole, Palbociclib, Surgery
Drug · Procedure
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
10
States / cities
Burbank, California • Laguna Hills, California • San Luis Obispo, California + 7 more
Conditions
Breast Cancer
Interventions
polymorphism analysis, high performance liquid chromatography, laboratory biomarker analysis, radiomammography
Genetic · Other · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
180
States / cities
Augusta, Georgia • Aurora, Illinois • Bloomington, Illinois + 111 more
Conditions
Breast Cancer
Interventions
quality-of-life assessment
Procedure
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
0 Years to 120 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
224
States / cities
Fairbanks, Alaska • Phoenix, Arizona • Fairfield, California + 144 more
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage IA Breast Cancer AJCC v8, Anatomic Stage IB Breast Cancer AJCC v8, 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, Early-Stage Breast Carcinoma, Invasive Breast Carcinoma, 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
Anastrozole, Letrozole
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Conditions
Breast Cancer
Interventions
Elacestrant, Standard of Care
Drug
Lead sponsor
Stemline Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
104
States / cities
Tucson, Arizona • Jonesboro, Arkansas • Fullerton, California + 84 more
Conditions
Anovulation
Interventions
Anastrozole 1 mg, Anastrozole 5 mg, Anastrozole 10 mg, Clomiphene Citrate 50 mg, Clomiphene Citrate 100 mg
Drug
Lead sponsor
EMD Serono
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
271 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rockland, Massachusetts
Conditions
Breast Cancer
Interventions
Sample collection, Patient-reported outcomes
Other · Behavioral
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
DCIS
Interventions
Anastrozole
Drug
Lead sponsor
Rita Sanghvi, Mehta
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
1
States / cities
Orange, California
Conditions
Breast Cancer, Advanced Breast Cancer, Metastatic Breast Cancer, Endometrial Cancer
Interventions
LY3484356, Abemaciclib, Everolimus, Alpelisib, Trastuzumab, Aromatase Inhibitor (AI), Pertuzumab
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
42
States / cities
Gilbert, Arizona • Phoenix, Arizona • Springdale, Arkansas + 31 more
Conditions
Breast Cancer Female
Interventions
Tamoxifen, Letrozole, Anastrozole, or Exemestane
Drug
Lead sponsor
University of Virginia
Other
Eligibility
65 Years and older · Female only
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
6
States / cities
New Haven, Connecticut • Charlottesville, Virginia • Culpeper, Virginia + 3 more
Conditions
Anatomic Stage 0 Breast Cancer AJCC v8, Anatomic Stage 1 Breast Cancer AJCC v8, Anatomic Stage IIA Breast Cancer AJCC v8, Estrogen Receptor-Positive Breast Carcinoma, HER2-Negative Breast Carcinoma, Breast Ductal Carcinoma In Situ, Breast Lobular Carcinoma In Situ
Interventions
Anastrozole, Letrozole, Exemestane, Tamoxifen, Mammogram, Magnetic Resonance Imaging, Dual X-ray Absorptiometry, Biospecimen Collection, Questionnaire Administration
Drug · Procedure · Biological + 1 more
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
1,556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
728
States / cities
Anchorage, Alaska • Gilbert, Arizona • Goodyear, Arizona + 559 more
Conditions
Breast Cancer
Interventions
trastuzumab (Herceptin®), anastrazole (Arimidex®)
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
20
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 16 more
Conditions
Breast Adenocarcinoma, Hormone Receptor Positive, 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 IIIB Breast Cancer AJCC v7
Interventions
Anastrozole, Exemestane, Laboratory Biomarker Analysis, Letrozole, Quality-of-Life Assessment, Radiation Therapy, Tamoxifen Citrate
Drug · Other · Radiation
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 75 Years · Female only
Enrollment
10,273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2030
U.S. locations
1160
States / cities
Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 723 more
Conditions
Non Small Cell Lung Cancer, Breast Cancer
Interventions
Abemaciclib, Pembrolizumab, Anastrozole
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
7
States / cities
Springdale, Arkansas • San Francisco, California • Aurora, Colorado + 4 more
Conditions
Anxiety Disorder, Breast Cancer, Depression, Fatigue, Hot Flashes, Pain, Sleep Disorders
Interventions
acupuncture therapy, sham intervention
Procedure
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Female only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Baltimore, Maryland