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ClinicalTrials.gov public records Last synced Oct 11, 2026, 9:02 AM EDT

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Showing 49–72 of 128 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: chemoprevention of cancer Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Discovering New Targets for Colorectal and Endometrial Cancer Risk Reduction

NCT06096688
View directory record Official record
Conditions
Colorectal Cancer, Endometrial Cancer, Hereditary Cancer Syndromes
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
1,120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 11, 2026, 9:02 AM EDT
Completed Phase 2 Interventional

Randomized, Double Blind, Placebo-Controlled, Phase IIB Trial of Ketorolac Mouth Rinse Evaluating the Effect of Cyclooxygenase Inhibition on Oropharyngeal Leukoplakia: Collaborative Study of the NCI, NIDCD and the NIDCR

NCT00001698
View directory record Official record
Conditions
Leukoplakia, Periodontal Disease
Interventions
Ketorolac Rinse
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 11, 2026, 9:02 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 11, 2026, 9:02 AM EDT
Completed Not applicable Interventional Results available

PReclude Infection EVEnts With No Prophylaxis Transperineal Biopsy 2

NCT04815876
View directory record Official record
Conditions
Infection
Interventions
Transperineal MRI-guided prostate biopsy, Transrectal MRI-guided prostate biopsy, Antibiotic (prophylaxis)
Procedure · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older · Male only
Enrollment
1,040 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
16
States / cities
Los Angeles, California • Farmington, Connecticut • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 11, 2026, 9:02 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Making Informed Choices on Incorporating Chemoprevention Into Care (MiCHOICE)

NCT04496739
View directory record Official record
Conditions
Atypical Hyperplasia of the Breast, Lobular Breast Carcinoma In Situ, Pleomorphic Lobular Breast Carcinoma In Situ
Interventions
Cancer Educational Materials, Decision Aid, Interview, Questionnaire Administration
Behavioral · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
Not listed
Enrollment
412 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
96
States / cities
Antioch, California • Costa Mesa, California • Duarte, California + 67 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 11, 2026, 9:02 AM EDT
Not yet recruiting Phase 1 Interventional

S-Adenosylmethionine (SAMe) for Chemoprevention of Colorectal Adenomas

NCT07582003
View directory record Official record
Conditions
Colorectal Cancer (Diagnosis), Adenoma
Interventions
S-Adenosylmethionine (SAMe)
Drug
Lead sponsor
Jun Gong, MD
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 11, 2026, 9:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Decision Support for BRCA Testing in Ethnically Diverse Women

NCT03470402
View directory record Official record
Conditions
Breast Cancer, BRCA1 Mutation, BRCA2 Mutation, Ovarian Cancer
Interventions
RealRisks, BNAV, iNYP, Standard Educational Material, High-Risk Message
Other
Lead sponsor
Columbia University
Other
Eligibility
21 Years to 75 Years · Female only
Enrollment
276 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Oct 11, 2026, 9:02 AM EDT
Completed Phase 2 Interventional

A Chemoprevention Study of an Investigational Drug in Men With High Grade Prostate Intraepithelial Neoplasia (PIN)

NCT00028353
View directory record Official record
Conditions
Prostatic Intraepithelial Neoplasia
Interventions
GTX-006 (Acapodene)
Drug
Lead sponsor
GTx
Industry
Eligibility
30 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
25
States / cities
Huntsville, Alabama • Little Rock, Arkansas • Aventura, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2013 · Synced Oct 11, 2026, 9:02 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 11, 2026, 9:02 AM EDT
Completed Phase 1 Interventional

Phase I-II Multiple-Dose Safety and Efficacy Study of a Selective Inhibitor of Cyclooxygenase - 2 (SC-58635) in Hereditary Non-Polyposis Colorectal Cancer (HNPCC) Patients and Carriers

NCT00001693
View directory record Official record
Conditions
Colorectal Neoplasm, Hereditary Nonpolyposis
Interventions
Celecoxib (SC-58635)
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 11, 2026, 9:02 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 11, 2026, 9:02 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Phase II Trial to Evaluate the Efficacy of Topical Bexarotene Gel in Patients With Parapsoriasis

NCT00322296
View directory record Official record
Conditions
Parapsoriasis
Interventions
Bexarotene 1% gel
Drug
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Oct 11, 2026, 9:02 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 11, 2026, 9:02 AM EDT
Completed Not applicable Interventional Results available

PReclude Infection EVEnts With No Prophylaxis Transperineal Biopsy

NCT04843566
View directory record Official record
Conditions
Infection
Interventions
Transperineal MRI-guided prostate biopsy, Transrectal MRI-guided prostate biopsy, Antibiotic (prophylaxis)
Procedure · Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older · Male only
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
10
States / cities
Farmington, Connecticut • Washington D.C., District of Columbia • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 11, 2026, 9:02 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 11, 2026, 9:02 AM EDT
Completed Phase 2 Interventional Results available

Metformin Hydrochloride in Preventing Esophageal Cancer in Patients With Barrett Esophagus

NCT01447927
View directory record Official record
Conditions
Barrett Esophagus, Esophageal Cancer
Interventions
metformin hydrochloride, placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Hines, Illinois • Rochester, Minnesota • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 11, 2026, 9:02 AM EDT
Completed Phase 3 Interventional Results available

Prostate Cancer Prevention Study for Men With High Grade PIN (Prostatic Intraepithelial Neoplasia)

NCT00106691
View directory record Official record
Conditions
Preneoplastic Conditions, Prostatic Intraepithelial Neoplasia
Interventions
Toremifene 20 mg, Placebo
Drug
Lead sponsor
GTx
Industry
Eligibility
30 Years and older · Male only
Enrollment
1,589 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
108
States / cities
Huntsville, Alabama • Mobile, Alabama • Phoenix, Arizona + 93 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Oct 11, 2026, 9:02 AM EDT
Terminated Phase 2 Interventional Results available

Metformin as a Chemoprevention Agent in Non-small Cell Lung Cancer

NCT01717482
View directory record Official record
Conditions
Lung Neoplasms, Carcinoma, Non-Small-Cell Lung
Interventions
Metformin, Placebo Comparator
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Oct 11, 2026, 9:02 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Metformin for Chemoprevention of Lung Cancer in Overweight or Obese Individuals at High Risk for Lung Cancer

NCT04931017
View directory record Official record
Conditions
Lung Carcinoma
Interventions
Biopsy, Biospecimen Collection, Bronchoscopy, Extended Release Metformin Hydrochloride, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Northwestern University
Other
Eligibility
30 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
2
States / cities
Aurora, Colorado • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 11, 2026, 9:02 AM EDT
Completed Phase 2 Interventional

Eflornithine to Prevent Cancer in Patients With Barrett's Esophagus

NCT00003076
View directory record Official record
Conditions
Esophageal Cancer
Interventions
eflornithine
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2005
U.S. locations
5
States / cities
New Orleans, Louisiana • Boston, Massachusetts • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Oct 11, 2026, 9:02 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 11, 2026, 9:02 AM EDT
Withdrawn Phase 2 Interventional

Celecoxib in Preventing Skin Cancer

NCT00025051
View directory record Official record
Conditions
Non-melanomatous Skin Cancer
Interventions
celecoxib, anti-cytokine therapy, antiangiogenesis therapy, biological therapy, cancer prevention intervention, chemoprevention of cancer, growth factor antagonist therapy
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
20 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 22, 2013 · Synced Oct 11, 2026, 9:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Methylselenocysteine Effects on Circadian Rhythm

NCT01611038
View directory record Official record
Conditions
Breast Cancer, Prostate Cancer
Interventions
Methylselenocysteine, Placebo
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 11, 2026, 9:02 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 11, 2026, 9:02 AM EDT