Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 6, 2026, 1:06 PM EDT

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Showing 25–48 of 291 matching trials from the live ClinicalTrials.gov search.
Conditions
Advanced, Persistent, or Recurrent Endometrial Cancer
Interventions
Everolimus, Tamoxifen, Letrozole, Medroxyprogesterone Acetate
Drug
Lead sponsor
GOG Foundation
Network
Eligibility
18 Years and older · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
26
States / cities
Aurora, Colorado • Miami, Florida • Columbus, Georgia + 21 more
Conditions
Breast Neoplasms, Tamoxifen
Interventions
Poor Metabolism Status Follow Up Therapy Considerations, CYP2D6 Inhibiting Drugs
Other
Lead sponsor
Medco Health Solutions, Inc.
Industry
Eligibility
50 Years and older · Female only
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Franklin Lakes, New Jersey
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, 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
Breast Cancer, Hot Flashes, Menopausal Symptoms
Interventions
conjugated estrogens, medroxyprogesterone
Drug
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
18 Years to 120 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2007
U.S. locations
24
States / cities
Birmingham, Alabama • Chicago, Illinois • Decatur, Illinois + 16 more
Conditions
Brain and Central Nervous System Tumors
Interventions
tamoxifen citrate, radiation therapy
Drug · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
237
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 184 more
Conditions
X Linked Myotubular Myopathy
Interventions
ApoTamox 10mg, Placebo
Drug
Lead sponsor
James Dowling
Other
Eligibility
6 Months and older · Male only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Chicago, Illinois • Rockville, Maryland
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Pembrolizumab, Tamoxifen, Vorinostat
Biological · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Francisco, California
Conditions
Metastatic Breast Cancer
Interventions
Inavolisib, Phesgo, Placebo, Taxane-based Chemotherapy, Optional Endocrine Therapy of Investigator's Choice
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
20
States / cities
Gilbert, Arizona • Burbank, California • Corona, California + 17 more
Conditions
Breast Carcinoma
Interventions
Tamoxifen, Fulvestrant
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Breast Cancer, Ductal Carcinoma, Estrogen-receptor-positive Breast Cancer, Atypical Lobular Hyperplasia, BRCA2 Mutation, CHEK2 Gene Mutation, Ataxia Telangiectasia Mutated Gene Mutation
Interventions
Exemestane, Tamoxifen
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
Menopause
Interventions
Personalized risk assessment, genetic counseling intervention
Procedure
Lead sponsor
Yale University
Other
Eligibility
40 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Breast Cancer
Interventions
Fenretinide, Tamoxifen Citrate, Placebo
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2003
U.S. locations
1
States / cities
Houston, Texas
Conditions
Vasomotor Symptoms (VMS)
Interventions
Q-122, Placebo
Drug
Lead sponsor
Que Oncology
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
6
States / cities
Woodstock, Georgia • Indianapolis, Indiana • Baltimore, Maryland + 3 more
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
Breast Carcinoma
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
290 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer
Interventions
diindolylmethane, placebo
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
19 Years and older · Female only
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Invasive Breast Carcinoma, Recurrent Breast Carcinoma, Stage III Breast Cancer AJCC v6, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Bevacizumab, Laboratory Biomarker Analysis, Letrozole, Questionnaire Administration, Tamoxifen Citrate
Biological · Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2024
U.S. locations
521
States / cities
Mobile, Alabama • Fort Smith, Arkansas • Antioch, California + 355 more
Conditions
Locoregional Recurrence, Hormone Receptor-positive Breast Cancer, HER2-negative Breast Cancer
Interventions
Ribociclib, Fulvestrant, Anastrozole, Letrozole, Exemestane
Drug
Lead sponsor
Oana Danciu
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
21
States / cities
Birmingham, Alabama • Phoenix, Arizona • Washington D.C., District of Columbia + 18 more
Conditions
Breast Cancer, Lymphoma, Hodgkin's Lymphoma
Interventions
surveys, Blood draw, Transvaginal ultrasounds
Behavioral · Other · Device
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
475 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Conditions
Breast Cancer, Estrogen Receptor-positive Breast Cancer, Healthy
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2 Interventional Accepts healthy volunteers

Tamoxifen-MRI Study

NCT00295100
Conditions
Breast Cancer
Interventions
Tamoxifen
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
25 Years to 45 Years · Female only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
6
States / cities
Los Angeles, California • Boston, Massachusetts • Detroit, Michigan + 2 more
Active, not recruiting Phase 2 Interventional

SHORTened Duration of TAMoxifen

NCT07806630
Conditions
High Risk for Invasive Breast Cancer
Interventions
Tamoxifen, Tamoxifen (Nolvadex)
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
30 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Breast Cancer
Interventions
cyclophosphamide, doxorubicin hydrochloride, paclitaxel, tamoxifen citrate, surgical procedure, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2000
U.S. locations
2
States / cities
Los Angeles, California • Jacksonville, Florida