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ClinicalTrials.gov public records Last synced Oct 5, 2026, 7:22 AM EDT

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Showing 1–24 of 80 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Aminolevulinic Acid PDT (ALA) Clear all
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 21, 2026 · Synced Oct 5, 2026, 7:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Portable Measurement of Protoporphyrin IX in the Skin

NCT04223570
View directory record Official record
Conditions
Photodynamic Therapy, Protoporphyrin IX
Interventions
Portable Apple Smart Phone Protoporphyrin IX Spectrometer Camera
Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 5, 2026, 7:22 AM EDT
Active, not recruiting Phase 2 Interventional

Alteration of the Immune Microenvironment in Basal Cell Carcinoma Following Photodynamic Therapy

NCT05020912
View directory record Official record
Conditions
Basal Cell Carcinoma
Interventions
ALA, PDT
Drug · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 5, 2026, 7:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Photodynamic Therapy for Papulopustular Rosacea

NCT02075671
View directory record Official record
Conditions
Rosacea, Papulopustular Rosacea
Interventions
Aminolevulinic acid topical solution 20%, Blu-U Light Therapy, Placebo vehicle only
Drug · Device · Other
Lead sponsor
George Washington University
Other
Eligibility
18 Years to 79 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 29, 2022 · Synced Oct 5, 2026, 7:22 AM 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 27, 2024 · Synced Oct 5, 2026, 7:22 AM 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 4, 2022 · Synced Oct 5, 2026, 7:22 AM 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 9, 2022 · Synced Oct 5, 2026, 7:22 AM EDT
Withdrawn Phase 1Phase 2 Interventional

A Study of Neoadjuvant Photodynamic Immunomodulation for Colon Cancer

NCT01522677
View directory record Official record
Conditions
Colon Cancer
Interventions
PDT with 5-ALA radiosensitization
Drug
Lead sponsor
Edward Nelson
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Orange, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 5, 2026, 7:22 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 Mar 1, 2017 · Synced Oct 5, 2026, 7:22 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 10, 2023 · Synced Oct 5, 2026, 7:22 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of BF-200 ALA (Ameluz®) and BF-RhodoLED® in the Treatment of Superficial Basal Cell Carcinoma (sBCC) With Photodynamic Therapy (PDT).

NCT03573401
View directory record Official record
Conditions
Superficial Basal Cell Carcinoma
Interventions
Photodynamic therapy (PDT) (ALA-PDT, Ameluz®-PDT), Placebo Photodynamic therapy (PDT) (vehicle to BF-200 ALA containing no active ingredient)
Combination Product
Lead sponsor
Biofrontera Inc.
Industry
Eligibility
18 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2029
U.S. locations
18
States / cities
Phoenix, Arizona • Fountain Valley, California • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 5, 2026, 7:22 AM EDT
Completed Phase 2 Interventional

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

NCT06159842
View directory record Official record
Conditions
Facial Cutaneous Squamous Cell Carcinoma in Situ
Interventions
Aminolevulinic Acid 20% Topical Solution with Blue Light
Combination Product
Lead sponsor
The Center for Clinical and Cosmetic Research
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Aventura, Florida
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Oct 5, 2026, 7:22 AM 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 28, 2016 · Synced Oct 5, 2026, 7:22 AM EDT
Completed Phase 2 Interventional Results available

Vitamin D Supplementation as a Neoadjuvant for Photodynamic Therapy of Actinic Keratoses

NCT04140292
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Photodynamic therapy (PDT), Vitamin D3
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2022 · Synced Oct 5, 2026, 7:22 AM EDT
Recruiting Not applicable Interventional

Vitamin D Effects on Immune Microenvironment of Nonmelanoma Skin Cancer After Photodynamic Therapy (PDT)

NCT07241585
View directory record Official record
Conditions
Nonmelanoma Skin Cancer, Basal Cell Carcinoma, Squamous Cell Carcinoma
Interventions
Vitamin D (VitD), Placebo, Photodynamic therapy (PDT), Mohs surgery or electrodessication & curettage (ED&C) (standard of care)
Dietary Supplement · Other · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 5, 2026, 7:22 AM 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 17, 2024 · Synced Oct 5, 2026, 7:22 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 14, 2017 · Synced Oct 5, 2026, 7:22 AM 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 29, 2024 · Synced Oct 5, 2026, 7:22 AM 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 29, 2026 · Synced Oct 5, 2026, 7:22 AM EDT
Completed Phase 2 Interventional Results available

Photodynamic Therapy (PDT) With Methyl Aminolevulinate (MAL) Cream in Patients With Skin Type V or IV With Acne Vulgaris

NCT00673933
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Methyl aminolevulinate (MAL) PDT
Drug
Lead sponsor
Photocure
Industry
Eligibility
15 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
Naperville, Illinois • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 12, 2013 · Synced Oct 5, 2026, 7:22 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 29, 2018 · Synced Oct 5, 2026, 7:22 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 10, 2023 · Synced Oct 5, 2026, 7:22 AM EDT
Completed Not applicable Interventional

Indoor Daylight Photo Dynamic Therapy for Actinic Keratosis

NCT03805737
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Amulez and sunlight, Amulez and red light treatment
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 20, 2022 · Synced Oct 5, 2026, 7:22 AM EDT
Completed Phase 2 Interventional Results available

Maximal Use Systemic Exposure Study of Levulan Kerastick (MUSE 2)

NCT02628236
View directory record Official record
Conditions
Keratosis, Actinic
Interventions
Aminolevulinic Acid (ALA), BLU-U
Drug · Device
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
2
States / cities
Austin, Texas • College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2017 · Synced Oct 5, 2026, 7:22 AM EDT