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ClinicalTrials.gov public records Last synced Oct 1, 2026, 10:15 AM EDT

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Showing 25–48 of 122 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Chemoprevention Clear all
Completed Phase 2 Interventional Results available

NSAID Effects on Clinical and Imaging Breast Biomarkers

NCT01761877
View directory record Official record
Conditions
Inflammation, Cancer, Pain, Hypertension
Interventions
Sulindac
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
Up to 75 Years · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Tucson, Arizona • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 10, 2023 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Web-based Decision Aids for Increasing Breast Cancer Chemoprevention in the Primary Care Setting

NCT03069742
View directory record Official record
Conditions
Breast Neoplasm
Interventions
RealRisks, BNAV
Other
Lead sponsor
Columbia University
Other
Eligibility
35 Years to 75 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

An Endometrial Cancer Chemoprevention Study of Metformin

NCT01697566
View directory record Official record
Conditions
Gynecology
Interventions
Metformin, Placebo, Endometrial Biopsy, Lifestyle Intervention, Questionnaires
Drug · Other · Procedure + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years to 65 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Oct 1, 2026, 10:15 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 1, 2026, 10:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Breast Cancer Chemoprevention by SOM230, an IGF-I Action Inhibitor: A Proof of Principle Trial

NCT01372644
View directory record Official record
Conditions
Atypical Ductal Breast Hyperplasia, Lobular Carcinoma in Situ (LCIS), Atypical Lobular Hyperplasia (ALH) of Breast
Interventions
SOM 230 / Pasireotide
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Oct 1, 2026, 10:15 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Phase II Trial to Modulate Intermediate Endpoint Biomarkers in Former and Current Smokers

NCT03598309
View directory record Official record
Conditions
Lung Diseases, Lung Cancer, Protection Against
Interventions
Curcumin C3 complex®, Lovaza®, Placebo
Drug · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
55 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 1, 2026, 10:15 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 1, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Weekly Dosing of Malarone ® for Prevention of Malaria

NCT00984256
View directory record Official record
Conditions
Malaria
Interventions
Atovaquone Proguanil, Procedure - malaria challenge
Drug · Other
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 50 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 25, 2013 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Efficacy of Vitamin D in Colorectal Cancer Chemoprevention

NCT01574027
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Vitamin D3 (cholecalciferol), Placebo
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
50 Years and older
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 10, 2012 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Juntas Adelante: A Peer-Coaching Intervention to Promote Chemoprophylaxis for HIV Prevention Among Latina Transgender Women in the Washington DC Metropolitan Area.

NCT07808541
View directory record Official record
Conditions
Prevention of HIV Infection, STI Prevention
Interventions
Juntas Adelante: A Peer coaching Intervention to Promote Chemoprophylaxis for HIV Prevention among Latina Transgender Women in the Washington DC Metropolitan Area.
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older · Male only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Celecoxib With or Without Eflornithine in Preventing Colorectal Cancer in Patients With Familial Adenomatous Polyposis

NCT00033371
View directory record Official record
Conditions
Colorectal Cancer, Familial Adenomatous Polyposis
Interventions
Celecoxib, Placebo, eflornithine, Laboratory biomarker analysis, Questionnaire administration
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 65 Years
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 29, 2020 · Synced Oct 1, 2026, 10:15 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 1, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Protocol for Women at Increased Risk of Developing Breast Cancer

NCT00291135
View directory record Official record
Conditions
Breast Cancer
Interventions
letrozole
Drug
Lead sponsor
Carol Fabian, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2016 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Genetic Counseling for Menopausal Therapy Decision-Making for Women at Increased Risk for Breast Cancer

NCT00349011
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Oct 1, 2026, 10:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterization of the Pharmacokinetics of Oral Selenium Compounds in Humans Before and Following Supplementation

NCT00342966
View directory record Official record
Conditions
Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
20 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2010
U.S. locations
2
States / cities
Beltsville, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 1, 2026, 10:15 AM 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 4, 2016 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Clinical Trial of Lung Cancer Chemoprevention With Sulforaphane in Former Smokers

NCT03232138
View directory record Official record
Conditions
Lung Cancer
Interventions
Sulforaphane, Placebo
Dietary Supplement · Drug
Lead sponsor
Jian-Min Yuan, MD
Other
Eligibility
55 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Phase 2 Interventional Results available

Pioglitazone for Lung Cancer Chemoprevention

NCT00780234
View directory record Official record
Conditions
Lung Cancer, Endobronchial Dysplasia
Interventions
fluorescence bronchoscopy, quantitative high resolution CT scan, PIOGLITAZONE VS. PLACEBO 30 mg
Procedure · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
2
States / cities
Denver, Colorado • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 11, 2019 · Synced Oct 1, 2026, 10:15 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Inositol in Preventing Colorectal Cancer in Patients With Colitis-Associated Dysplasia

NCT01111292
View directory record Official record
Conditions
Colon Carcinoma, Dysplasia in Crohn Disease, Low Grade Dysplasia in Ulcerative Colitis, Rectal Carcinoma
Interventions
Inositol, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
3
States / cities
Chicago, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Oct 1, 2026, 10:15 AM EDT
Completed Phase 2 Interventional

Celecoxib in Preventing Non-Small Cell Lung Cancer in Tobacco Smokers

NCT00020878
View directory record Official record
Conditions
Lung Cancer
Interventions
celecoxib
Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
45 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Oct 1, 2026, 10:15 AM 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 14, 2026 · Synced Oct 1, 2026, 10:15 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 1, 2026, 10:15 AM 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 11, 2021 · Synced Oct 1, 2026, 10:15 AM EDT
Enrolling by invitation Not applicable Interventional

Investigation of β-hydroxybutyrate Supplementation as Chemoprevention in Familial Adenomatous Polyposis

NCT06578637
View directory record Official record
Conditions
FAP, Familial Adenomatous Polyposis
Interventions
R-1,3-Butanediol (10G-A), R-1,3-Butanediol (20G-A), R-1,3-Butanediol (30G-A), R-1,3-Butanediol (30G-B)
Dietary Supplement
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 1, 2026, 10:15 AM EDT