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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Topical Aminolevulinate Clear all
Terminated Phase 3 Interventional Results available

Combination Therapy With 5-Fluorouracil and Photodynamic Therapy in Post-transplant Premalignant Skin Disease

NCT01525329
View directory record Official record
Conditions
Actinic Keratosis, Organ or Tissue Transplant; Complications
Interventions
5-Fluorouracil
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Sep 29, 2026, 5:22 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Assessment of Skin Lesions Using a Tissue Oxygen Imager Based on Protoporphyrin IX (PPIX) Fluorescence. This is an Open-label, Non-randomized, Feasibility Study That Includes a One-time Application of an FDA Approved Medication Followed by Local Imaging for Benign Skin Growth and Lesions Clinically

NCT07201376
View directory record Official record
Conditions
Non-Melanoma Skin Cancer (NMSC), Benign Skin Growth
Interventions
Ameluz 10% Topical Gel, Protoporphyrin IX
Drug · Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 29, 2026, 5:22 PM 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 29, 2026, 5:22 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Photodynamic Therapy With Levulan Kerastick + Blue Light for Actinic Keratoses on the Upper Extremities

NCT02137785
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Aminolevulinic Acid (ALA), Topical Solution Vehicle, Blue Light Photodynamic Therapy Illuminator (BLU-U)
Drug · Device
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
13
States / cities
Fremont, California • San Diego, California • Aventura, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2015 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 1 Interventional Results available

Daylight Photodynamic Therapy for Actinic Keratosis

NCT03322293
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Aminolevulinic Acid Topical 20% Topical Solution, BLU-U blue light phototherapy illuminator
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 29, 2026, 5:22 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 Sep 29, 2026, 5:22 PM EDT
Completed Not applicable Interventional

Blue Light Photodynamic Therapy Treatment for Distal and Lateral Subungual Toenail Onychomycosis

NCT03022903
View directory record Official record
Conditions
Toenail Onychomycosis, Distal and Lateral Subungual Toenail Onychomycosis
Interventions
Aminolevulinic Acid (ALA)
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 70 Years · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 2 Interventional

Study to Evaluate the Safety and Efficacy of BF-200 ALA (Ameluz®) and BF-RhodoLED® in the Treatment of Moderate to Severe Acne Vulgaris With Photodynamic Therapy in Adults

NCT05080764
View directory record Official record
Conditions
Acne Vulgaris
Interventions
1h Incubation Photodynamic therapy (PDT) (ALA-PDT, Ameluz®-PDT), 1h Incubation Photodynamic therapy (PDT) (vehicle to BF-200 ALA containing no active ingredient), 3h Incubation Photodynamic therapy (PDT) (ALA-PDT, Ameluz®-PDT), 3h Incubation Photodynamic therapy (PDT) (vehicle to BF-200 ALA containing no active ingredient)
Combination Product
Lead sponsor
Biofrontera Inc.
Industry
Eligibility
16 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
9
States / cities
Fountain Valley, California • San Diego, California • Delray Beach, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 2 Interventional Results available

Controlled Study of the Occurrence of Actinic Keratosis on the Face After Cryotherapy + Aminolevulinic Acid (ALA) Photodynamic Therapy

NCT02239679
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Aminolevulinic Acid, Topical Solution Vehicle, BLU-U, Cryotherapy
Drug · Device · Procedure
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
8
States / cities
San Diego, California • Arlington Heights, Illinois • Carmel, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Sep 29, 2026, 5:22 PM EDT
Not yet recruiting No phase listed Observational

Advancing Antimicrobial Photodynamic Therapy to Prevent Infection in Osseointegrated Prosthesis Patients

NCT06777511
View directory record Official record
Conditions
Amputation, Osseointegration
Interventions
5-aminolevulinic acid (5-ALA), Photodynamic therapy (PDT)
Drug · Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 29, 2026, 5:22 PM EDT
Terminated Phase 2 Interventional

ALA-PDT Versus Vehicle PDT for Treatment of AK and Reduction of New NMSC in Solid Organ Transplant Recipients

NCT00865878
View directory record Official record
Conditions
Actinic Keratoses, Skin Neoplasms
Interventions
Aminolevulinic Acid, Vehicle
Drug · Other
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
7
States / cities
Irvine, California • San Francisco, California • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2011 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 2 Interventional

Photodynamic Therapy in Treating Patients With Skin Cancer

NCT00002963
View directory record Official record
Conditions
Non-melanomatous Skin Cancer
Interventions
aminolevulinic acid hydrochloride, conventional surgery
Drug · Procedure
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2007
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 30, 2013 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety, Tolerability and Efficacy of BF-200 ALA (Ameluz®) in the Field-directed Treatment of Actinic Keratosis (AK) on the Extremities and Neck/Trunk With Photodynamic Therapy (PDT) Using a RhodoLED Lamp

NCT05662202
View directory record Official record
Conditions
Actinic Keratoses
Interventions
BF-200 ALA and red light LED lamp, Vehicle and red light LED lamp
Combination Product
Lead sponsor
Biofrontera Inc.
Industry
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
14
States / cities
Phoenix, Arizona • Greenwood Village, Colorado • Delray Beach, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 29, 2026, 5:22 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 Sep 29, 2026, 5:22 PM EDT
Completed Phase 2 Interventional Results available

Short-incubation Levulan Photodynamic Therapy Versus Vehicle for Face/Scalp Actinic Keratosis (AK)

NCT01475955
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Broad Area ALA 1-hour incubation, Broad Area ALA 2 hour incubation, broad area ALA 3-hour incubation, Spot ALA 2 hour incubation, Vehicle PDT, Blue Light Treatment
Drug · Device
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
13
States / cities
La Jolla, California • Los Angeles, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Sep 29, 2026, 5:22 PM EDT
Not listed Phase 2 Interventional

Evaluating the Use of Photodynamic Therapy to Treat Facial Cutaneous Squamous Cell Carcinoma in Situ (SCCis)

NCT06577311
View directory record Official record
Conditions
Cutaneous Squamous Cell Carcinoma
Interventions
Aminolevulinic acid hydrochloride 10% topical gel with Red Light
Combination Product
Lead sponsor
The Center for Clinical and Cosmetic Research
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Aventura, Florida
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 1 Interventional Results available

Phase I Photodynamic Therapy (PDT) for Benign Dermal Neurofibromas (NF1)

NCT01682811
View directory record Official record
Conditions
Neurofibromatoses
Interventions
Part 1 Levulan injection, Part 1 Levulan surface application, Part 1 Levulan surface application twice, Part 1 Levulan surface application twice with microneedling, Levulan (5-aminolevulinic acid) photodynamic therapy - Dose level 1, Levulan (5-aminolevulinic acid) photodynamic therapy - Dose level 2, Levulan (5-aminolevulinic acid) photodynamic therapy - Dose level 3
Drug
Lead sponsor
Harry T Whelan, MD
Other
Eligibility
18 Years to 90 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 29, 2026, 5:22 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 Sep 29, 2026, 5:22 PM EDT
Completed Phase 2 Interventional Results available

Light Dose Ranging Study of Photodynamic Therapy (PDT) With Levulan + Blue Light Versus Vehicle + Blue Light in Severe Facial Acne

NCT00706433
View directory record Official record
Conditions
Acne Vulgaris
Interventions
aminolevulinic acid HCL (ALA), Vehicle (VEH)
Drug · Other
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
12 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
14
States / cities
Hot Springs, Arkansas • San Diego, California • Denver, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2011 · Synced Sep 29, 2026, 5:22 PM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

PDT vs Peels for Treatment of Actinic Keratoses

NCT04429308
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Photodynamic Therapy, Chemical Peels
Procedure · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 29, 2026, 5:22 PM EDT
Terminated Phase 2 Interventional

Photodynamic Therapy for Benign Dermal Neurofibromas- Phase II

NCT02728388
View directory record Official record
Conditions
NEUROFIBROMATOSIS 1
Interventions
aminolevulinic acid
Drug
Lead sponsor
Donald Basel
Other
Eligibility
14 Years to 30 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 29, 2026, 5:22 PM EDT
Withdrawn Not applicable Interventional

Topical 5-ALA-PDT With Blu-U Therapy Versus Topical 5-ALA With Pulse Dye Laser In Treating Recalcitrant Acne Vulgaris

NCT00814918
View directory record Official record
Conditions
Acne Vulgaris
Interventions
5-ALA with Blu-U Light, 5-ALA with Candela V-beam Pulse Dye Laser
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 79 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 1 Interventional Results available

Study to Evaluate the Safety of BF-200 ALA (Ameluz®) for Photodynamic Therapy (PDT) in the Treatment of Expanded Fields of Actinic Keratosis (AK)

NCT04319159
View directory record Official record
Conditions
Actinic Keratoses
Interventions
BF-200 ALA and red light LED lamp
Combination Product
Lead sponsor
Biofrontera Bioscience GmbH
Industry
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Sep 29, 2026, 5:22 PM EDT
Completed Phase 2 Interventional Results available

Microneedle Lesion Preparation Prior to Aminolevulinic Acid Photodynamic Therapy (ALA-PDT) for AK on Face

NCT02632110
View directory record Official record
Conditions
Actinic Keratosis
Interventions
ALA, Topical Solution Vehicle, IBL 10 mW, Microneedle lesion preparation, IBL 20 mW
Drug · Device · Procedure
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
8
States / cities
San Diego, California • Brandon, Florida • Arlington Heights, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 29, 2026, 5:22 PM EDT