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ClinicalTrials.gov public records Last synced Oct 9, 2026, 2:51 AM EDT

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Showing 25–48 of 128 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: chemoprevention of cancer Clear all
Completed Phase 3 Interventional

Aspirin in Treating Patients With Colorectal Cancer That Has Been Surgically Removed

NCT00002527
View directory record Official record
Conditions
Colorectal Cancer
Interventions
aspirin, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
30 Years to 74 Years
Enrollment
635 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2006
U.S. locations
41
States / cities
Scottsdale, Arizona • San Francisco, California • Miami Beach, Florida + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2016 · Synced Oct 9, 2026, 2:51 AM EDT
Terminated Phase 3 Interventional

Chemoprevention of Colorectal Adenomas

NCT00486512
View directory record Official record
Conditions
Adenomatous Polyps
Interventions
0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), Colonoscopy
Drug · Procedure
Lead sponsor
Colotech A/S
Industry
Eligibility
40 Years to 75 Years
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
24
States / cities
Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Know Your Risk: Assessment at Screening for Breast Cancer - Pilot Study

NCT02954900
View directory record Official record
Conditions
Breast Neoplasms
Interventions
RealRisks, BNAV
Other
Lead sponsor
Columbia University
Other
Eligibility
35 Years to 75 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2021 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Early Phase 1 Interventional

RANKL Inhibition and Breast Tissue Biomarkers

NCT03629717
View directory record Official record
Conditions
Breast Cancer Prevention, Mammographic Density
Interventions
Ultrasound-guided core needle biopsy, Denosumab, Blood draw, Calcium, Vitamin D
Procedure · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
35 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Oct 9, 2026, 2:51 AM EDT
Terminated Not applicable Interventional Results available

Lenalidomide as Chemoprevention in Treating Patients With High-Risk, Early-Stage B-Cell Chronic Lymphocytic Leukemia

NCT01649791
View directory record Official record
Conditions
B-cell Chronic Lymphocytic Leukemia, Chronic Lymphocytic Leukemia, Stage 0 Chronic Lymphocytic Leukemia, Stage I Chronic Lymphocytic Leukemia, Stage II Chronic Lymphocytic Leukemia
Interventions
lenalidomide, laboratory biomarker analysis, lymph node biopsy, bone marrow aspiration, pharmacological study, flow cytometry
Drug · Other · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2016 · Synced Oct 9, 2026, 2:51 AM EDT
Completed No phase listed Observational

An Examination of Predictors of Indicators of Response to Celecoxib in Women Who Have a Diagnosis of Early Breast Cancer

NCT00291122
View directory record Official record
Conditions
Breast Cancer
Interventions
celecoxib 400 mg BID
Drug
Lead sponsor
University of Kansas
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 16, 2008 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Prophylactic Antibiotic Administration for Bladder OnabotulinumtoxinA Injection

NCT05719285
View directory record Official record
Conditions
Overactive Bladder, Overactive Bladder Syndrome, Urge Incontinence, Urinary Incontinence, Urge
Interventions
Single-Dose Antibiotic, Multi-Dose Antibiotic
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 2 Interventional

Chemoprevention Therapy in Treating Patients at High Risk of Developing Multiple Myeloma

NCT00006219
View directory record Official record
Conditions
Multiple Myeloma and Plasma Cell Neoplasm
Interventions
clarithromycin, prasterone
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2006
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 4, 2011 · Synced Oct 9, 2026, 2:51 AM EDT
Withdrawn Not applicable Interventional

Chemoprevention of Cancer in the Lower Female Genital Tract: The Antineoplastic Activity of the Fungicide Ciclopirox.

NCT00382330
View directory record Official record
Conditions
Vulvar Cancer
Interventions
Ciclopirox
Drug
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years to 75 Years · Female only
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 6, 2013 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Glucobrassicin-Brussel Sprout Effect on D10 Phe Metabolism

NCT02999399
View directory record Official record
Conditions
Smoking
Interventions
Brussel Sprouts, Deuterated Phenanthrene
Other · Drug
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Vitamin D in Postmenopausal Women at High Risk for Breast Cancer

NCT00859651
View directory record Official record
Conditions
Breast Cancer
Interventions
Cholecalciferol, Placebo capsule
Drug
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 27, 2017 · Synced Oct 9, 2026, 2:51 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Aspirin in Preventing Colorectal Cancer in Patients With Colorectal Adenoma

NCT02965703
View directory record Official record
Conditions
Colorectal Adenoma, Colorectal Carcinoma
Interventions
Aspirin, Biospecimen Collection, Placebo Administration, Questionnaire Administration, Rectal Biopsy
Drug · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Clinical Evaluation of Bioadhesive Gels for Oral Cancer Chemoprevention

NCT01192204
View directory record Official record
Conditions
Squamous Cell Carcinoma of Mouth, Intraepithelial Neoplasia
Interventions
10% FBR containing bioadhesive gel, placebo gel
Drug
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
3
States / cities
Louisville, Kentucky • Chapel Hill, North Carolina • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 14, 2015 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 2 Interventional

Chemoprevention of Oral Premalignant Lesions

NCT00036283
View directory record Official record
Conditions
Precancerous Conditions
Interventions
Celecoxib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
7
States / cities
Farmington, Connecticut • Shreveport, Louisiana • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2008 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Results available

Green Tea or Polyphenon E in Preventing Lung Cancer in Former Smokers With Chronic Obstructive Pulmonary Disease

NCT00363805
View directory record Official record
Conditions
Lung Cancer Prevention
Interventions
green tea, Polyphenon E, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Sherry Chow
Other
Eligibility
40 Years to 80 Years
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
3
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 28, 2013 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 4 Interventional Results available

CSP #562 - The VA Keratinocyte Carcinoma Chemoprevention Trial

NCT00847912
View directory record Official record
Conditions
Carcinoma, Basal Cell, Carcinoma, Squamous Cell, Skin Neoplasms, Skin Diseases, Neoplasms, Basal Cell, Neoplasms, Squamous Cell, Carcinoma
Interventions
5-fluorouracil, Placebo, vehicle control
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
954 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
13
States / cities
Palo Alto, California • San Diego, California • Denver, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 2 Interventional

Celecoxib in Preventing Lung Cancer in Former Heavy Smokers

NCT00055978
View directory record Official record
Conditions
Lung Cancer
Interventions
celecoxib, placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 20, 2011 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 1 Interventional

A Pilot Trial of Tamoxifen and 4-HPR (4-N-Hydroxyphenyl Retinamide) in Persons at High Risk for Developing Breast Cancer

NCT00001378
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasms
Interventions
fenretinide
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 9, 2026, 2:51 AM EDT
Terminated Phase 2 Interventional Results available

Erlotinib Hydrochloride in Treating Patients With Bladder Cancer Undergoing Surgery

NCT02169284
View directory record Official record
Conditions
Bladder Carcinoma, Recurrent Bladder Carcinoma
Interventions
Erlotinib Hydrochloride, Laboratory Biomarker Analysis, Pharmacological Study, Placebo, Quality-of-Life Assessment, Therapeutic Conventional Surgery
Drug · Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
6
States / cities
Baltimore, Maryland • Burlington, Massachusetts • Rochester, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Tamoxifen-MRI Study

NCT00295100
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 21, 2007 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Phase 2 Interventional Results available

Eflornithine in Treating Patients At High Risk of Developing Prostate Cancer

NCT00006101
View directory record Official record
Conditions
Prostate Cancer
Interventions
eflornithine, Placebo
Drug
Lead sponsor
Thomas E. Ahlering
Other
Eligibility
35 Years to 70 Years · Male only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2012
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Chemoprevention of Prostate Cancer, HDAC Inhibition and DNA Methylation

NCT01265953
View directory record Official record
Conditions
Prostate Cancer Prevention
Interventions
SFN-rich broccoli sprout extract capsules, Gelatin capsule containing microcrystalline cellulose.
Drug · Dietary Supplement
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
21 Years and older · Male only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 1, 2019 · Synced Oct 9, 2026, 2:51 AM EDT
Recruiting Phase 2 Interventional

DCIS: RECAST Trial Ductal Carcinoma In Situ: Re-Evaluating Conditions for Active Surveillance Suitability as Treatment

NCT06075953
View directory record Official record
Conditions
Ductal Carcinoma in Situ
Interventions
Tamoxifen, Exemestane, Letrozole, Anastrazole, Testosterone + Anastrazole, Elacestrant, Z-endoxifen
Drug
Lead sponsor
QuantumLeap Healthcare Collaborative
Other
Eligibility
18 Years and older · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
29
States / cities
Berkeley, California • Duarte, California • Irvine, California + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 9, 2026, 2:51 AM EDT
Completed Not applicable Interventional

Acitretin in Preventing Skin Cancers in Patients With Previously Treated Skin Cancers Who Have Undergone Organ Transplantation

NCT00003611
View directory record Official record
Conditions
Non-melanomatous Skin Cancer
Interventions
acitretin, placebo
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
11
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Peoria, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Oct 9, 2026, 2:51 AM EDT