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ClinicalTrials.gov public records Last synced Sep 30, 2026, 8:36 PM EDT

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Showing 1–24 of 291 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: NOLVADEX (tamoxifen) Clear all
Active, not recruiting Phase 3 Interventional Results available

S1207 Hormone Therapy With or Without Everolimus in Treating Patients With Breast Cancer

NCT01674140
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 2 Interventional

Biologic Correlative Taxotere/AC

NCT00206466
View directory record Official record
Conditions
Breast Cancer
Interventions
Taxotere, Adriamycin/cytoxan
Drug
Lead sponsor
Baylor Breast Care Center
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2012 · Synced Sep 30, 2026, 8:36 PM EDT
Completed No phase listed Observational

Effect of Tamoxifen or an Aromatase Inhibitor on Estrogen Metabolism in Women Treated for Newly Diagnosed Breast Cancer

NCT00569543
View directory record Official record
Conditions
Breast Cancer
Interventions
high performance liquid chromatography, laboratory biomarker analysis, mass spectrometry, medical chart review
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
2
States / cities
Rochester, Minnesota • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Sep 30, 2026, 8:36 PM EDT
Terminated Phase 3 Interventional

Combination Chemotherapy, Surgery, and Radiation Therapy With or Without Dexrazoxane and Trastuzumab in Treating Women With Stage III or Stage IV Breast Cancer

NCT00016276
View directory record Official record
Conditions
Cardiac Toxicity, Inflammatory Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IV Breast Cancer
Interventions
dexrazoxane hydrochloride, doxorubicin hydrochloride, cyclophosphamide, paclitaxel, trastuzumab, therapeutic conventional surgery, radiation therapy, tamoxifen citrate, laboratory biomarker analysis
Drug · Biological · Procedure + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 16, 2013 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 3 Interventional Results available

Luteal vs Follicular Surgical Oophorectomy and Tamoxifen in Premenopausal Women With Metastatic Hormone Receptor Positive Breast Cancer

NCT00293540
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2016 · Synced Sep 30, 2026, 8:36 PM 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 Sep 30, 2026, 8:36 PM EDT
Terminated Phase 2 Interventional Results available

Internal Radiation Therapy After Lumpectomy in Treating Women With Ductal Carcinoma in Situ

NCT00290654
View directory record Official record
Conditions
Breast Cancer
Interventions
Tamoxifen, Lumpectomy, brachytherapy
Drug · Procedure · Radiation
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 28, 2017 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Not applicable Interventional Results available

Hormone Therapy Or Chemotherapy Before Surgery Based on Gene Expression Analysis in Treating Patients With Breast Cancer

NCT01293032
View directory record Official record
Conditions
Ductal Breast Carcinoma in Situ, Lobular Breast Carcinoma in Situ, Stage II Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer
Interventions
Neoadjuvant Therapy, Therapeutic Conventional Surgery, Laboratory Biomarker Analysis, Gene Expression Analysis, Systemic Chemotherapy, Tamoxifen Citrate, Aromatase Inhibition Therapy
Procedure · Other · Genetic + 1 more
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older · Female only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Charlotte, North Carolina • Greensboro, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 3 Interventional

Toremifene Citrate for Prevention of Bone Fractures in Men With Prostate Cancer on Androgen Deprivation Therapy

NCT00129142
View directory record Official record
Conditions
Prostate Cancer, Osteoporosis, Fractures
Interventions
Toremifene Citrate
Drug
Lead sponsor
GTx
Industry
Eligibility
50 Years and older · Male only
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
136
States / cities
Homewood, Alabama • Mobile, Alabama • Little Rock, Arkansas + 117 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2013 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 2 Interventional Results available

Genomic Based Assignment of Therapy in Advanced Urothelial Carcinoma

NCT02788201
View directory record Official record
Conditions
Urothelial Carcinoma, Bladder Cancer, Urinary Bladder Neoplasms
Interventions
75 approved agents, COXEN
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 6, 2020 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Not applicable Interventional Results available

Analyzing a New Mechanism in Response to Tamoxifen Therapy in Breast Cancer Patients

NCT01027416
View directory record Official record
Conditions
Breast Cancer
Interventions
Tamoxifen
Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Chicago, Illinois • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 3 Interventional

Combined Use of Teriparatide and Raloxifene in Postmenopausal Women With Osteoporosis

NCT00046137
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
teriparatide, raloxifene, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
45 Years to 85 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
13
States / cities
Anaheim, California • Oakland, California • Altamonte Springs, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2006 · Synced Sep 30, 2026, 8:36 PM EDT
Not yet recruiting Not applicable Interventional

SOLIS: Single-Dose Radiotherapy With Omission of Lumpectomy for Intact Small Breast Cancers

NCT07844759
View directory record Official record
Conditions
Breast Cancer, Early-Stage Breast Carcinoma, Hormone Receptor-Positive Breast Cancer, HER2-Negative Breast Cancer
Interventions
Stereotactic Radiation Therapy, Endocrine Therapy
Radiation · Drug
Lead sponsor
Renaissance Institute of Precision Oncology and Radiosurgery
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
1
States / cities
Winter Park, Florida
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 2 Interventional Results available

Open-Label Study Of Exemestane With Or Without Celecoxib In Postmenopausal Women With ABC Having Progressed On Tamoxifen

NCT00038103
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Exemestane, Celecoxib + Exemestane
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 25, 2010 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 2 Interventional Results available

Palbociclib in Combination With Tamoxifen as First Line Therapy for Metastatic Hormone Receptor Positive Breast Cancer

NCT02668666
View directory record Official record
Conditions
Hormone Receptor Positive Malignant Neoplasm of Breast, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Estrogen Receptor Positive Breast Cancer, Progesterone Receptor Positive Tumor, Metastatic Breast Cancer
Interventions
Palbociclib, Tamoxifen
Drug
Lead sponsor
Oana Danciu, MD
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
7
States / cities
Chicago, Illinois • Lansing, Michigan • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 2 Interventional

Sequential High-Dose Chemotherapy and Stem Cell Transplantation in Treating Patients With Chemotherapy-Sensitive Metastatic Breast Cancer

NCT00002680
View directory record Official record
Conditions
Breast Cancer
Interventions
filgrastim, cyclophosphamide, megestrol acetate, melphalan, tamoxifen citrate, thiotepa, conventional surgery, peripheral blood stem cell transplantation, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2000
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 24, 2013 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 2 Interventional Results available

Tamoxifen and Bortezomib to Treat Recurrent Brain Tumors

NCT00108069
View directory record Official record
Conditions
Glioma
Interventions
Tamoxifen citrate, Bortezomib
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 5, 2015 · Synced Sep 30, 2026, 8:36 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Pre-Operative Window of Adjuvant Endocrine Therapy to Inform RT Decisions in Older Women With Early-Stage Breast Cancer

NCT04272801
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Sep 30, 2026, 8:36 PM EDT
Recruiting Phase 2 Interventional

Molecular Analyses to Predict Pathways of Endocrine Resistance Following Short Term Neoadjuvant Endocrine Treatment in Patients With Hormone Receptor-Positive HER2-negative Breast Cancer

NCT06361940
View directory record Official record
Conditions
Breast Cancer
Interventions
Aromatase inhibitors or tamoxifen
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 3 Interventional

Radiation Therapy With or Without Optional Tamoxifen in Treating Women With Ductal Carcinoma in Situ

NCT00003857
View directory record Official record
Conditions
Breast Cancer
Interventions
tamoxifen citrate, adjuvant therapy, radiation therapy
Drug · Procedure · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
26 Years to 120 Years · Female only
Enrollment
636 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2022
U.S. locations
305
States / cities
Mobile, Alabama • Fairbanks, Alaska • Phoenix, Arizona + 235 more
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 2 Interventional

Toremifene Followed by Radical Prostatectomy in Treating Patients With Stage I or Stage II Prostate Cancer

NCT00020735
View directory record Official record
Conditions
Prostate Cancer
Interventions
toremifene, conventional surgery, neoadjuvant therapy
Drug · Procedure
Lead sponsor
Joel Nelson, MD
Other
Eligibility
18 Years to 120 Years · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Sep 30, 2026, 8:36 PM EDT
Terminated No phase listed Observational

Tamoxifen Resistance in Women With Stage I, Stage II, Stage IIIA, or Stage IIIB Breast Cancer

NCT00899197
View directory record Official record
Conditions
Breast Cancer
Interventions
tamoxifen citrate, gene expression analysis, protein expression analysis, immunoenzyme technique, laboratory biomarker analysis
Drug · Genetic · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced Sep 30, 2026, 8:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Estradiol-Receptor Blockade in Older Men and Women

NCT02271282
View directory record Official record
Conditions
Normal Healthy Volunteers
Interventions
Toremifene, Placebo, GHRH/Ghrelin combined Injection
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 14, 2016 · Synced Sep 30, 2026, 8:36 PM EDT
Completed No phase listed Observational Results available

Loss of Grip Strength, BMI, and Adjuvant Endocrine Therapy Breast Cancer

NCT01896050
View directory record Official record
Conditions
Breast Cancer, Arthralgia, Obesity
Interventions
anastrozole, letrozole, exemestane, Tamoxifen
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced Sep 30, 2026, 8:36 PM EDT