Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 26, 2026, 3:36 AM EDT

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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Conditions
Breast Cancer, Osteoporosis
Interventions
zoledronic acid, Letrozole as adjuvant therapy
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
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
letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
50 Years and older · Female only
Enrollment
261 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
48
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Grass Valley, California + 43 more
Conditions
Breast Neoplasm
Interventions
RAD001, Letrozole 2.5mg, Letrozole 2.5mg
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
10
States / cities
Springdale, Arkansas • Long Beach, California • San Francisco, California + 7 more
Conditions
Breast Cancer, Early Breast Cancer
Interventions
Camizestrant, Tamoxifen, Anastrozole, Letrozole, Exemestane, Abemaciclib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
5,511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2037
U.S. locations
111
States / cities
Dothan, Alabama • Phoenix, Arizona • Tucson, Arizona + 98 more
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
Conditions
HER2 Negative Breast Cancer
Interventions
Ribociclib 400mg, Letrozole 2.5mg, Anastrazole 1mg, Goserelin 3.6 MG, Adjuvant chemotherapy
Drug · Radiation
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Breast Cancer
Interventions
anastrozole, everolimus, exemestane, goserelin acetate, letrozole, leuprolide acetate, tamoxifen citrate, placebo
Drug · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
1,939 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
1455
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 887 more
Conditions
Breast Cancer, Cancer of Breast, Breast Carcinoma
Interventions
Palbociclib, Letrozole, Trastuzumab, Goserelin, Breast surgery, Research tumor biopsy, Research bone marrow (OPTIONAL), Research blood sample, Research blood for germline DNA, Blood for detection of circulating tumor cells
Drug · Biological · Procedure + 1 more
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
3
States / cities
Phoenix, Arizona • St Louis, Missouri • Buffalo, New York
Conditions
Breast Neoplasms, Osteoporosis
Interventions
Zoledronic Acid, Letrozole
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 85 Years · Female only
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
43
States / cities
Springdale, Arkansas • Burbank, California • Lafayette, California + 39 more
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
Estrogen Receptor-negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, HER2-positive Breast Cancer, Progesterone Receptor-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer
Interventions
doxorubicin hydrochloride, cyclophosphamide, paclitaxel, filgrastim, capecitabine, methotrexate, vinorelbine tartrate, needle biopsy, therapeutic conventional surgery, immunohistochemistry staining method, trastuzumab, tamoxifen citrate, letrozole, laboratory biomarker analysis
Drug · Biological · Procedure + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Breast Cancer
Interventions
Letrozole, Ribociclib, Placebo
Drug
Lead sponsor
Qamar Khan
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
13
States / cities
Little Rock, Arkansas • Duarte, California • Santa Ana, California + 9 more
Conditions
Breast Cancer
Interventions
Ribociclib, Adjuvant endocrine therapy, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
33
States / cities
Tucson, Arizona • Fayetteville, Arkansas • Bakersfield, California + 28 more
Conditions
Breast Ductal Carcinoma In Situ, Invasive Breast Carcinoma, Multicentric Breast Carcinoma, Multifocal Breast Carcinoma, Synchronous Bilateral Breast Carcinoma
Interventions
Anastrozole, Exemestane, Laboratory Biomarker Analysis, Letrozole, Quality-of-Life Assessment, Systemic Chemotherapy, Tamoxifen Citrate
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
5,018 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
1435
States / cities
Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 881 more
Conditions
Early Breast Cancer
Interventions
Ribociclib, Endocrine Therapy (ET)
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
5,101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
73
States / cities
Birmingham, Alabama • Goodyear, Arizona • Jonesboro, Arkansas + 68 more
Conditions
Breast Cancer
Interventions
letrozole
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
20
States / cities
Berkeley, California • Long Beach, California • Hollywood, Florida + 17 more
Conditions
Atrophic Vaginitis, Breast Cancer
Interventions
Vagifem® (vaginal 17β-estradiol) questionnaire & menopause symptom checklist
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2024
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Commack, New York • New York, New York + 2 more
Conditions
Breast Cancer, Quality of Life
Interventions
Accelerated Partial Breast Irradiation (APBI), tamoxifen, anastrozole, exemestane, letrozole, fulvestrant, toremifene
Radiation · Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
65 Years and older · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Chapel Hill, North Carolina
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
Conditions
Breast Cancer
Interventions
Elacestrant, Anastrozole, Letrozole, Exemestane, Tamoxifen
Drug
Lead sponsor
Stemline Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
4,220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
176
States / cities
Daphne, Alabama • Chandler, Arizona • Gilbert, Arizona + 139 more