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Showing 1–24 of 121 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Chemoprevention 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 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase I/II Study of Chemoprevention With EGFR and COX-2 Inhibitor

NCT00314262
View directory record Official record
Conditions
Precancerous Conditions
Interventions
Erlotinib & Celecoxib
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional

Topical Diclofenac and Topical DFMO Chemoprevention Trial in Subjects With a History of Skin Cancer

NCT04091022
View directory record Official record
Conditions
Non-melanoma Skin Cancer
Interventions
Solaraze and Vaniqa
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sustainable Healthcenter Implementation PrEP Pilot Study

NCT02074891
View directory record Official record
Conditions
HIV Chemoprophylaxis, HIV Preexposure Prophylaxis
Interventions
coformulated TDF/FTC
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
1,420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Chicago, Illinois • Jackson, Mississippi + 1 more
Source: ClinicalTrials.gov public record
Updated May 27, 2024 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional

Imiquimod in Preventing Cervical Cancer in Women With Cervical Neoplasia

NCT00031759
View directory record Official record
Conditions
Cervical Cancer, Precancerous Condition
Interventions
imiquimod, Ablative or excisional therapy
Drug · Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2010
U.S. locations
8
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Honolulu, Hawaii + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 3 Interventional

High-Dose Multivitamins Compared to a Placebo in Preventing the Recurrence of Cancer in Patients With Early Stage Bladder Cancer

NCT00003623
View directory record Official record
Conditions
Bladder Cancer
Interventions
multivitamin, Placebo
Dietary Supplement · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
16
States / cities
Scottsdale, Arizona • Urbana, Illinois • Cedar Rapids, Iowa + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1 Interventional

Curcumin Biomarkers

NCT01333917
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Curcumin C3 tablet
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
40 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Phase 1 Interventional

Chemoprevention With Tamoxifen in Pre-Invasive Pancreas Mucinous Cystic Neoplasms Not Undergoing Immediate Resection

NCT06320990
View directory record Official record
Conditions
Pancreatic Cyst, Pancreatic Mucinous Cystic Neoplasm
Interventions
Tamoxifen 20mg
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Jul 22, 2026, 2:26 PM 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 11, 2023 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dose Escalation PfSPZ-CVac

NCT03083847
View directory record Official record
Conditions
Malaria
Interventions
Chloroquine Phosphate, Pyrimethamine, Sanaria PfSPZ Challenge
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2021 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Results available

Chemoprevention Trial - Anastrozole in Ductal Carcinoma In Situ (DCIS) in Postmenopausal Women

NCT00256217
View directory record Official record
Conditions
DCIS
Interventions
Anastrozole
Drug
Lead sponsor
Rita Sanghvi, Mehta
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Jul 22, 2026, 2:26 PM 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 9, 2020 · Synced Jul 22, 2026, 2:26 PM 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 15, 2024 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Vitamin D for Chemoprevention

NCT00585637
View directory record Official record
Conditions
Gastrointestinal Cancers, Prostate Cancer, Hypertension
Interventions
Vitamin D, Placebo
Drug · Dietary Supplement
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
30 Years to 80 Years
Enrollment
328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2015 · Synced Jul 22, 2026, 2:26 PM EDT
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 3, 2016 · Synced Jul 22, 2026, 2:26 PM EDT
Not yet recruiting Phase 2 Interventional

Erlotinib for Hepatocellular Carcinoma Chemoprevention

NCT04172779
View directory record Official record
Conditions
Cirrhosis, Liver, Advanced Liver Fibrosis
Interventions
erlotinib hydrochloride, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Hydroxychloroquine as Chemoprevention for COVID-19 for High Risk Healthcare Workers

NCT04345653
View directory record Official record
Conditions
Covid19
Interventions
Hydroxychloroquine Sulfate (HCQ)
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 99 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Edison, New Jersey
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Jul 22, 2026, 2:26 PM 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 6, 2026 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Phase 2 Interventional

Optimal Dosing For Low-Dose Aspirin Chemoprophylaxis For VTE Following Total Joint Arthroplasty

NCT04295486
View directory record Official record
Conditions
Venous Thromboembolism
Interventions
Aspirin
Drug
Lead sponsor
University of Miami
Other
Eligibility
19 Years and older
Enrollment
5,478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Phase 2 Interventional

Safety and Efficacy of Atorvastatin v. Placebo on HCC Risk

NCT05028829
View directory record Official record
Conditions
Liver Fibroses, Cirrhosis
Interventions
Atorvastatin 20mg, Placebo
Drug
Lead sponsor
Raymond Chung
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
2
States / cities
Boston, Massachusetts • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Chemoprevention With Folic Acid

NCT00018551
View directory record Official record
Conditions
Colon Cancer, Adenoma, Colonic Polyps
Interventions
Folic Acid
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 20, 2009 · Synced Jul 22, 2026, 2:26 PM 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 28, 2008 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 3 Interventional

Fenretinide in Treating Patients Who Have Undergone Surgery for Bladder Cancer

NCT00004154
View directory record Official record
Conditions
Bladder Cancer
Interventions
Fenretinide, Placebo
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2005
U.S. locations
3
States / cities
Houston, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Jul 22, 2026, 2:26 PM 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 5, 2013 · Synced Jul 22, 2026, 2:26 PM EDT