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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Eflornithine Placebo Clear all
Recruiting Early Phase 1 Interventional

Intratumoral Extracellular Metabolic Impact of DFMO and AMXT 1501 in Patients With Diffuse or High Grade Glioma

NCT05717153
View directory record Official record
Conditions
Diffuse Glioma, Malignant Glioma
Interventions
Biospecimen Collection, Computed Tomography, Eflornithine, Magnetic Resonance Imaging, Polyamine Transport Inhibitor AMXT-1501 Dicaprate, Resection, Microdialysis, Placement
Procedure · Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Sep 21, 2026, 9:13 PM EDT
Active, not recruiting Phase 2 Interventional

TArgeting Type 1 Diabetes Using POLyamines (TADPOL)

NCT05594563
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
DFMO, Placebo
Drug
Lead sponsor
Emily K. Sims
Other
Eligibility
4 Years to 40 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
7
States / cities
Aurora, Colorado • Chicago, Illinois • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 21, 2026, 9:13 PM EDT
Completed Phase 3 Interventional Results available

Eflornithine and Sulindac in Preventing Colorectal Cancer in Patients With Colon Polyps

NCT00118365
View directory record Official record
Conditions
Precancerous Condition
Interventions
placebo, eflornithine, sulindac, laboratory biomarker analysis
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years to 80 Years
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2008
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2015 · Synced Sep 21, 2026, 9:13 PM EDT
Completed Phase 2 Interventional Results available

Acetylsalicylic Acid and Eflornithine in Treating Patients at High Risk for Colorectal Cancer

NCT00983580
View directory record Official record
Conditions
Adenomatous Polyp
Interventions
Aspirin, Eflornithine, Laboratory Biomarker Analysis, Placebo, Telephone-Based Intervention
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
3
States / cities
Chicago, Illinois • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 3, 2019 · Synced Sep 21, 2026, 9:13 PM EDT
Completed Phase 2 Interventional

Eflornithine To Prevent Cervical Cancer in Patients With Cervical Intraepithelial Neoplasia

NCT00006079
View directory record Official record
Conditions
Cervical Cancer, Precancerous Condition
Interventions
Eflornithine, Placebo
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 24, 2018 · Synced Sep 21, 2026, 9:13 PM EDT
Completed Phase 2 Interventional

Neoadjuvant Eflornithine and Bicalutamide Compared With Eflornithine Alone, Bicalutamide Alone, and No Neoadjuvant Therapy in Treating Patients With Localized Prostate Cancer Undergoing Brachytherapy or Radical Prostatectomy

NCT00086736
View directory record Official record
Conditions
Prostate Cancer
Interventions
bicalutamide, eflornithine, oral eflornithine placebo, oral bicalutamide placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Male only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Nov 18, 2013 · Synced Sep 21, 2026, 9:13 PM 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 13, 2018 · Synced Sep 21, 2026, 9:13 PM 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 28, 2020 · Synced Sep 21, 2026, 9:13 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Topical Eflornithine for Pseudofolliculitis Barbae: Randomized Controlled Trial

NCT04403282
View directory record Official record
Conditions
Pseudofolliculitis Barbae
Interventions
Eflornithine Topical, Placebo Eflornithine Topical
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 64 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Sep 21, 2026, 9:13 PM EDT
Completed Phase 1 Interventional

DFMO in Children With Type 1 Diabetes

NCT02384889
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Difluoromethylornithine, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
12 Years to 40 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
3
States / cities
Indianapolis, Indiana • Buffalo, New York • Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Sep 21, 2026, 9:13 PM EDT
Active, not recruiting Phase 3 Interventional

S0820, Adenoma and Second Primary Prevention Trial

NCT01349881
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Eflornithine placebo & sulindac placebo, eflornithine & sulindac placebo, Eflornithine placebo & sulindac, Eflornithine plus sulindac
Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2032
U.S. locations
990
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 617 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 21, 2026, 9:13 PM EDT
Completed Phase 2 Interventional

Eflornithine With or Without Triamcinolone in Preventing Nonmelanoma Skin Cancer in Patients With Actinic Keratosis

NCT00021294
View directory record Official record
Conditions
Non-melanomatous Skin Cancer, Precancerous/Nonmalignant Condition
Interventions
eflornithine, triamcinolone
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Sep 21, 2026, 9:13 PM EDT
Completed Phase 3 Interventional

Eflornithine in Treating Patients With Bladder Cancer

NCT00003814
View directory record Official record
Conditions
Bladder Cancer
Interventions
eflornithine
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2007
U.S. locations
61
States / cities
Birmingham, Alabama • Huntsville, Alabama • Anaheim, California + 49 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Sep 21, 2026, 9:13 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 Sep 21, 2026, 9:13 PM EDT
Completed Phase 3 Interventional Results available

Trial of Eflornithine Plus Sulindac in Patients With Familial Adenomatous Polyposis (FAP)

NCT01483144
View directory record Official record
Conditions
Familial Adenomatous Polyposis
Interventions
Eflornithine, Eflornithine Placebo, Sulindac 150 MG, Sulindac placebo
Drug
Lead sponsor
Cancer Prevention Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
10
States / cities
La Jolla, California • Atlanta, Georgia • Boston, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Sep 21, 2026, 9:13 PM EDT