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Showing 1–24 of 167 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Actinic Keratoses Clear all
Recruiting Phase 1 Interventional

Actinic Keratoses Treated With 5-fluorouracil Plus Aluminum

NCT07401277
View directory record Official record
Conditions
Actinic Keratoses
Interventions
5% 5-fluorouracil (5-FU) powder, 5% 5-fluorouracil (5-FU) powder PLUS 15% Aluminum Chloride Hexahydrate (ACH)
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of Ingenol Mebutate Gel for Actinic Keratosis Applied on Large Area on Face, Scalp or Chest

NCT02361216
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Ingenol Mebutate, Vehicle
Drug · Other
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years and older
Enrollment
729 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Carmel, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 24, 2026, 5:51 AM EDT
Not yet recruiting No phase listed Observational

5-Fluorouracil and Calcipotriene for Field Treatment of Actinic Keratoses

NCT07794059
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Combination field therapy with 5-fluorouracil and calcipotriene (5FU/C)
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Los Angeles, California • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 1 Interventional Results available

Bioequivalence Study of Two Imiquimod Cream 5%

NCT00828568
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Imiquimod 5% manufactured by Taro, Aldara - Imiquimod 5%, Imiquimod Vehicle manufactured by Taro
Drug
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
18 Years and older
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
20
States / cities
Gilbert, Arizona • Tempe, Arizona • Tuscon, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2014 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 1Phase 2 Interventional

DUSA: Cyclic PDT for the Prevention of AK & NMSC in Solid Organ Transplant Recipients

NCT03110159
View directory record Official record
Conditions
Skin Cancer, Non-melanoma Skin Cancer, Sun Damaged Skin, Actinic Keratosis
Interventions
Levulan® Kerastick®, BLU-U Blue Light Photodynamic Therapy
Drug
Lead sponsor
Medical Dermatology Specialists
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Photodynamic Therapy Incubation Times for Actinic Keratosis

NCT03066843
View directory record Official record
Conditions
Actinic Keratoses
Interventions
ALA (5-aminolevulinic acid), Blue light therapy
Drug · Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional

Metvix PDT Versus Vehicle PDT With Aktilite CL128 Lamp in Patients With Actinic Keratosis on the Face and Scalp

NCT00306800
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Photodynamic therapy with methyl aminolevulinate cream
Procedure
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
7
States / cities
St. Petersburg, Florida • New York, New York • Rochester, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Sep 24, 2026, 5:51 AM EDT
Terminated Not applicable Interventional Results available

Photodynamic Therapy Using Topical Aminolevulinic Acid in Treating Patients With Actinic Keratosis

NCT00524485
View directory record Official record
Conditions
Precancerous/Nonmalignant Condition
Interventions
aminolevulinic acid, laser therapy
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 24, 2026, 5:51 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Assess Recurrence of Actinic Keratosis in Participants Treated With Methyl Aminolevulinate Hydrochloride Cream or Vehicle Cream Who Achieved Complete Response to Treated Lesions in Earlier Study

NCT04269395
View directory record Official record
Conditions
Keratosis, Actinic
Interventions
MAL Cream, Vehicle cream
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
52
States / cities
Fort Smith, Arkansas • Encinitas, California • Fountain Valley, California + 43 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Sep 24, 2026, 5:51 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Celecoxib in Preventing Skin Cancer in Patients With Actinic Keratoses

NCT00027976
View directory record Official record
Conditions
Precancerous Condition
Interventions
celecoxib, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
7
States / cities
Birmingham, Alabama • Irvine, California • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2013 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 1 Interventional

Ph 1, Single-Center, Safety, Tolerability & Pharmacokinetic Study of KX2 391 Ointment in Subj. w Actinic Keratosis

NCT02337205
View directory record Official record
Conditions
Actinic Keratosis
Interventions
KX2-391 Ointment
Drug
Lead sponsor
Athenex, Inc.
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

An Open-Label 18-Month Safety Study of Fluorouracil Cream 0.5% for the Treatment of Actinic Keratoses

NCT00377273
View directory record Official record
Conditions
Actinic Keratoses
Interventions
fluorouracil cream 0.5%
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 9, 2008 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional

Protocols for Painless Photodynamic Therapy (PDT) of Actinic Keratoses

NCT02124733
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Aminolevulinic acid based photodynamic therapy
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of LEO 43204 in the Field Treatment of Actinic Keratosis on Face or Chest including12-month Follow-up

NCT02549339
View directory record Official record
Conditions
Actinic Keratosis
Interventions
LEO 43204 gel, Vehicle gel
Drug
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years and older
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Carmel, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available

An Equivalence Study of Generic Ingenol Mebutate Gel 0.015% and Picato Gel 0.015% in Subjects With Actinic Keratosis

NCT03200912
View directory record Official record
Conditions
ACTINIC KERATOSIS
Interventions
Ingenol Mebutate (Picato®), Generic Ingenol Mebutate, Vehicle Foam
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years to 95 Years
Enrollment
507 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
23
States / cities
Oceanside, California • Denver, Colorado • Aventura, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2020 · Synced Sep 24, 2026, 5:51 AM EDT
Not listed Phase 4 Interventional

Potential Effect of Topical Imiquimod on Atrial Ectopy in Patients With Actinic Keratosis

NCT01413763
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Imiquimod cream 3.75%, Placebo cream
Drug
Lead sponsor
Medicis Global Service Corporation
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Fort Meyers, Florida
Source: ClinicalTrials.gov public record
Updated Oct 24, 2012 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional

Therapeutic Equivalence of Fluorouracil Cream, 5% Compared With Fluorouracil 5% Topical Cream of MylanPharmaceuticals Inc., U.S.A in the Treatment of Actinic Keratosis

NCT05078827
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Test Product (A): Fluorouracil Cream, 5% topical cream, Reference Product (B): Fluorouracil 5% Topical Cream of Mylan Pharmaceuticals Inc., Morgantown, WV 26505 U.S.A., Placebo Product (C): Test vehicle cream for fluorouracil 5% of Encube Ethicals Pvt. Ltd., India
Drug
Lead sponsor
Encube Ethicals Pvt. Ltd.
Industry
Eligibility
18 Years and older
Enrollment
458 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
7
States / cities
Bakersfield, California • Cerritos, California • Lauderdale Lakes, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial Evaluating the Role of Systemic Antihistamine Therapy in the Reduction of Adverse Effects Associated With Topical 5-aminolevulinic Acid Photodynamic Therapy

NCT02451579
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Antihistamine Cetirizine Hydrochloride, Placebo
Drug · Other
Lead sponsor
Goldman, Butterwick, Fitzpatrick and Groff
Other
Eligibility
19 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available

Multicenter Study to Assess the Efficacy and Safety of Methyl Aminolevulinate Hydrochloride (MAL) 16.8% Cream (CD06809-41) Versus Vehicle Cream for Actinic Keratosis of the Face

NCT04085367
View directory record Official record
Conditions
Actinic Keratoses
Interventions
MAL 16.8% cream, MAL Vehicle Cream
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
557 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
59
States / cities
Tucson, Arizona • Fort Smith, Arkansas • Encinitas, California + 52 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Sep 24, 2026, 5:51 AM EDT
Withdrawn Phase 3 Interventional

Phase 3 Study of Levulan With New Blue Light for AK on the Face or Scalp

NCT03024060
View directory record Official record
Conditions
Actinic Keratosis
Interventions
ALA, Vehicle, IBL 20 mW, IBL 10 mW
Drug · Device
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
7
States / cities
San Diego, California • Arlington Heights, Illinois • Carmel, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study of Increasing Strengths, Safety and Efficacy of Two Formulas of LEO 43204 on the Face or the Chest in Patients With Actinic Keratosis

NCT01922050
View directory record Official record
Conditions
Actinic Keratosis
Interventions
LEO 43204 Formulation 1, LEO 43204 Formulation 2, LEO 43204 Formulation 1 Dose X, LEO 43204 Formulation 1 Dose Y, LEO 43204 Formulation 2 Dose XX, LEO 43204 Formulation 2 Dose YY, Placebo Formulation 1, Placebo Formulation 2
Drug
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
13
States / cities
Phoenix, Arizona • Lomita, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Sep 24, 2026, 5:51 AM 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 24, 2026, 5:51 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Efficacy Imiquimod Cream, 2.5% in Participants With Actinic Keratoses

NCT02120898
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Imiquimod, Zyclara®, Vehicle Cream
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older
Enrollment
467 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
27
States / cities
Birmingham, Alabama • Fremont, California • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 24, 2026, 5:51 AM EDT
Completed Not applicable Interventional Results available

The Use of Microneedles to Expedite Treatment Time in Photodynamic Therapy

NCT02594644
View directory record Official record
Conditions
Keratosis, Actinic
Interventions
Microneedle Roller, Aminolevulinic Acid, Blue Light
Device · Drug · Radiation
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2018 · Synced Sep 24, 2026, 5:51 AM EDT