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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Keratosis Clear all
Completed Phase 3 Interventional Results available

Safety and Effectiveness Study of Imiquimod Creams for the Treatment of Actinic Keratoses (AKs)

NCT00603798
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Imiquimod cream, Placebo cream
Drug
Lead sponsor
Graceway Pharmaceuticals, LLC
Industry
Eligibility
18 Years and older
Enrollment
490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
26
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Encino, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2010 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PEP005 Gel - Evaluation of Local Tolerability After Exposure to Ingenol Mebutate Gel Followed by Hand Washing in Healthy Subjects

NCT01302925
View directory record Official record
Conditions
Healthy, Actinic Keratosis
Interventions
PEP005 Gel
Drug
Lead sponsor
Peplin
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 13, 2015 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 4 Interventional

Bilateral Comparison of Treatment of Facial Actinic Keratoses Using Microneedling and Photodynamic Therapy With Aminolevulinic Acid and Blue Light Versus Photodynamic Therapy With Aminolevulinic Acid and Blue Light Using Two Incubation Times

NCT02622594
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Aminolevulinic Acid (ALA), Environ Cosmetic Roller, BLU-U IIlluminator
Drug · Device
Lead sponsor
Dermatology, Laser & Vein Specialists of the Carolinas
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional Results available

Study to Evaluate Safety and Tolerability of BF-200 ALA (Ameluz®) for Photodynamic Therapy in the Treatment of the Expanded Field of Actinic Keratosis on Face and Scalp

NCT05060237
View directory record Official record
Conditions
Actinic Keratosis, Keratosis, Actinic, Keratosis
Interventions
BF-200 ALA and red light LED lamp
Combination Product
Lead sponsor
Biofrontera Bioscience GmbH
Industry
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
9
States / cities
Phoenix, Arizona • Greenwood Village, Colorado • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Jul 23, 2026, 4:11 PM EDT
Completed No phase listed Observational

Twelve Month Follow-Up of CP0108

NCT02209012
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Aminolevulinic Acid (ALA), Topical Solution Vehicle, BLU-U Blue Light Photodynamic Therapy Illuminator
Drug · Device
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
13
States / cities
Fremont, California • San Diego, California • Aventura, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional

Photodynamic Therapy Using Silicon Phthalocyanine 4 in Treating Patients With Actinic Keratosis, Bowen's Disease, Skin Cancer, or Stage I or Stage II Mycosis Fungoides

NCT00103246
View directory record Official record
Conditions
Lymphoma, Non-melanomatous Skin Cancer, Precancerous Condition
Interventions
silicon phthalocyanine 4
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years to 120 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 21, 2019 · Synced Jul 23, 2026, 4:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Wide Frequency Band Test of Hearing in Veterans

NCT02019888
View directory record Official record
Conditions
Hearing Loss, Sensorineural, Hearing Loss, Conductive, Hearing Loss, Mixed Conductive-Sensorineural, Otosclerosis, Tympanic Membrane Perforation, Otitis Media With Effusion, Cholesteatoma
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years to 89 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
2
States / cities
Portland, Oregon • Mountain Home, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Jul 23, 2026, 4:11 PM EDT
Recruiting Phase 3 Interventional

Study of Reformulated Levulan Kerastick Plus PDT for Actinic Keratosis on Upper Extremities

NCT07144852
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Reformulated Levulan Kerastick containing aminolevulinic acid hydrochloride (ALA HCl), 20%, Vehicle, Blue Light Photodynamic Therapy Illuminator device, BLU-U® model 4170E.
Drug · Other · Device
Lead sponsor
Sun Pharmaceutical Industries, Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
20
States / cities
Phoenix, Arizona • Fremont, California • Castle Rock, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 2 Interventional Results available

Study of SOR007 Ointment for Actinic Keratosis

NCT03083470
View directory record Official record
Conditions
Actinic Keratosis
Interventions
SOR007 (Uncoated Nanoparticulate Paclitaxel) Ointment, SOR007 Ointment Vehicle
Drug · Other
Lead sponsor
DFB Soria, LLC
Industry
Eligibility
45 Years to 85 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 14, 2019 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety and Pharmacokinetics of Multiple Ascending Subcutaneous Doses of DS-2325a in Healthy Subjects

NCT05583669
View directory record Official record
Conditions
Netherton Syndrome
Interventions
DS-2325a, Placebo
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 2 Interventional Results available

ACT01 in Combination With Comp01-04 in Patients With Actinic Keratosis

NCT02126670
View directory record Official record
Conditions
Actinic Keratosis
Interventions
ACT01, Comp01, Comp02, Comp03, Comp04
Drug
Lead sponsor
Promius Pharma, LLC
Industry
Eligibility
30 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
4
States / cities
San Diego, California • Louisville, Kentucky • High Point, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2016 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 4 Interventional Results available

An A Study Assessing Subject Satisfaction With A-101 Topical Solution for Seborrheic Keratoses

NCT03487588
View directory record Official record
Conditions
Seborrheic Keratosis
Interventions
A-101 Topical Solution
Drug
Lead sponsor
Aclaris Therapeutics, Inc.
Industry
Eligibility
30 Years to 75 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Fort Washington, Pennsylvania • Knoxville, Tennessee • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Jul 23, 2026, 4:11 PM EDT
Completed No phase listed Observational

A Long Term Follow up Study of Patients Who Have Completed the PEP005-020 Study

NCT00952783
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Lesion count
Drug
Lead sponsor
Peplin
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
Orange Park, Florida • Newnan, Georgia • Snellville, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Clinical Study to Evaluate the Sensitizing Potential of LEO 43204 Gel

NCT02650505
View directory record Official record
Conditions
Actinic Keratosis
Interventions
LEO 43204, LEO 43204 Vehicle
Drug
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years to 65 Years
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Jul 23, 2026, 4:11 PM 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 Jul 23, 2026, 4:11 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Daylight Photodynamic Therapy With Aminolevulinic Acid for Actinic Keratoses

NCT03327831
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Aminolevulinic Acid
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional

Pharmacokinetics of LEO 43204 Gel in Actinic Keratosis Administered Under Maximal Use Conditions

NCT02424305
View directory record Official record
Conditions
Actinic Keratosis
Interventions
LEO 43204 gel 0.018%, LEO 43204 gel 0.1%, LEO 43204 gel 0.037%
Drug
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Pflugerville, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 2 Interventional

8 Weeks Treatment With DDP225 in Patients With Diarrhea Predominant IBS

NCT00230581
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
DDP225
Drug
Lead sponsor
Dynogen Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
5
States / cities
Scottsdale, Arizona • St Louis, Missouri • Great Neck, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2007 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional

Pharmacokinetics of Ingenol Mebutate Gel in Actinic Keratosis Under Maximum Use Conditions

NCT02124239
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Ingenol mebutate
Drug
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Jul 23, 2026, 4:11 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Comparison of Two Modes of Photodynamic Therapy for the Treatment of Actinic Keratosis on the Upper Extremities

NCT05359419
View directory record Official record
Conditions
Skin Neoplasms
Interventions
aminolevulinic acid hydrochloride gel, 10%, aminolevulinic acid HCl topical solution, 20%
Combination Product
Lead sponsor
Goldman, Butterwick, Fitzpatrick and Groff
Other
Eligibility
35 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 2 Interventional Results available

A Six Week Topical Cream Study for Subjects With Ichthyosis Vulgaris

NCT03173547
View directory record Official record
Conditions
Ichthyosis Vulgaris
Interventions
146-9251 cream, Vehicle cream
Drug
Lead sponsor
Crown Laboratories, Inc.
Industry
Eligibility
12 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
7
States / cities
San Diego, California • Plainfield, Indiana • Metairie, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Jul 23, 2026, 4:11 PM EDT
Terminated No phase listed Observational Results available

Natural History of Netherton Syndrome

NCT05902663
View directory record Official record
Conditions
Netherton Syndrome
Interventions
Not listed
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Rancho Santa Margarita, California • Chicago, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Not applicable Interventional

Study Determining Safety and Efficacy of Avena Sativa (Oat) Skincare Products for Treating Skin Dryness and Itching in Cancer Patients

NCT03796052
View directory record Official record
Conditions
Ichthyosis, Pruritus
Interventions
Avena Sativa Skincare Regimen
Other
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
18 Years to 75 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 3, 2020 · Synced Jul 23, 2026, 4:11 PM EDT
Completed Phase 1 Interventional

Biological Effects of LEO 43204 in Actinic Keratosis

NCT02600598
View directory record Official record
Conditions
Actinic Keratosis
Interventions
LEO 43204 Gel, 0.037%
Drug
Lead sponsor
LEO Pharma
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Quincy, Massachusetts • Smithtown, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2025 · Synced Jul 23, 2026, 4:11 PM EDT