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ClinicalTrials.gov public records Last synced May 22, 2026, 3:48 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–33 of 9 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Leukoplakia Clear all
Enrolling by invitation No phase listed Observational
View directory record Official record
Conditions
Vitamin A, Vitamin A Deficiency, Leukoplakia, Vocal Cord Neoplasm
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
90 participants
Timeline
2022 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced May 22, 2026, 3:48 AM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Oral Leukoplakia, Oral Dysplasia
Interventions
Mucoadhesive fenretinide-releasing system (FMS)
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 100 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced May 22, 2026, 3:48 AM EDT
Terminated Phase 2 Interventional
View directory record Official record
Conditions
Oral Leukoplakia
Interventions
Lozenge Intake
Drug
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced May 22, 2026, 3:48 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Oral Leukoplakia
Interventions
pioglitazone-metformin
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Minneapolis, Minnesota • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
fenretinide, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2004
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 11, 2013 · Synced May 22, 2026, 3:48 AM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Erythroplakia, Leukoplakia, Oral Cavity Carcinoma, Proliferative Verrucous Leukoplakia
Interventions
Metformin, Biopsy
Drug · Procedure
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 85 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced May 22, 2026, 3:48 AM EDT
Withdrawn Phase 1 Interventional
View directory record Official record
Conditions
Oral Leukoplakia
Interventions
5-fluorouracil
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Celecoxib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced May 22, 2026, 3:48 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Head and Neck Cancer, Precancerous/Nonmalignant Condition
Interventions
Porfimer Sodium, Photodynamic Therapy
Drug · Procedure
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 120 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced May 22, 2026, 3:48 AM EDT