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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Blue Light PDT Clear all
Completed Phase 2 Interventional Results available

Levulan PDT Versus Vehicle for Extremity Actinic Keratoses (AK)

NCT01458587
View directory record Official record
Conditions
Keratosis, Actinic
Interventions
Aminolevulinic Acid PDT (ALA), Vehicle PDT (VEH)
Drug
Lead sponsor
DUSA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
3
States / cities
San Diego, California • Orange Park, Florida • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 13, 2013 · Synced Sep 13, 2026, 7:27 PM EDT
Terminated Phase 4 Interventional Results available

Treatment of Actinic Keratoses of the Face With Imiquimod 3.75% Cream Followed by Photodynamic Therapy

NCT01203878
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Photodynamic therapy, Imiquimod
Drug
Lead sponsor
Tennessee Clinical Research Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Englewood, Colorado • Charlotte, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Sep 13, 2026, 7:27 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 13, 2026, 7:27 PM EDT
Recruiting Phase 3 Interventional

Study of Reformulated Levulan Kerastick Plus PDT for Actinic Keratosis on Face and Scalp

NCT07144345
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Reformulated Levulan Kerastick containing aminolevulinic acid hydrochloride (ALA HCl), 20%, Vehicle containing excipients only (VEH) without active ingredient, 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
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
10
States / cities
Fremont, California • Aventura, Florida • Rolling Meadows, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 13, 2026, 7:27 PM EDT
Completed Not applicable Interventional

Photodynamic Therapy for Prevention of Nonmelanoma Skin Cancer in Organ Transplant Recipients

NCT02751151
View directory record Official record
Conditions
Nonmelanoma Skin Cancers
Interventions
have Levulan Kerastick (aminolevulinic acid) solution
Other
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Sep 13, 2026, 7:27 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 13, 2026, 7:27 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 Sep 13, 2026, 7:27 PM EDT
Not listed Phase 2 Interventional

Photodynamic Therapy Using Aminolevulinic Acid in Treating Patients With Skin Cancer

NCT00747903
View directory record Official record
Conditions
Non-melanomatous Skin Cancer
Interventions
aminolevulinic acid hydrochloride
Drug
Lead sponsor
Laser and Skin Surgery Center of New York
Other
Eligibility
30 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 9, 2014 · Synced Sep 13, 2026, 7:27 PM EDT
Not yet recruiting Phase 2 Interventional

A Phase 2 Study of Methylene Blue Photodynamic Therapy for Treatment of Breast Abscesses

NCT07179003
View directory record Official record
Conditions
Breast Abscess
Interventions
Standard of care breast abscess drainage, Methylene Blue, Lipid Emulsion, Insertion of optical fiber, Laser illumination, Photodynamic therapy
Procedure · Drug · Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 13, 2026, 7:27 PM EDT
Completed Phase 2 Interventional Results available

Maximal Use Systemic Exposure (MUSE) Study of Levulan Kerastick

NCT02281136
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
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
San Diego, California • Carmel, Indiana • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Sep 13, 2026, 7:27 PM 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 13, 2026, 7:27 PM 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 May 31, 2026 · Synced Sep 13, 2026, 7:27 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 13, 2026, 7:27 PM EDT
Completed Phase 1 Interventional

Safety and Feasibility Study of Methylene Blue Photodynamic Therapy to Sterilize Deep Tissue Abscess Cavities

NCT02240498
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, 20% I.V. Fat Emulsion, Insertion of optical fiber, Laser illumination, 5 minutes, Laser illumination, 10 minutes, Laser illumination, 15 minutes, Laser illumination, 20 minutes, Laser illumination, 25 minutes, Laser illumination, 30 minutes, Optical spectroscopy measurement
Drug · Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 13, 2026, 7:27 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 13, 2026, 7:27 PM 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 23, 2022 · Synced Sep 13, 2026, 7:27 PM EDT
Completed Phase 3 Interventional

Light-Activated Antimicrobial Therapy to Prevent Surgical Site Infections

NCT06702878
View directory record Official record
Conditions
Surgical Site Infections, Surgical Wound Infection, Infections, Anti-Infective Agents
Interventions
nasal antimicrobial photodisinfection therapy
Combination Product
Lead sponsor
Ondine Biomedical Inc.
Industry
Eligibility
18 Years and older
Enrollment
4,787 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
14
States / cities
Englewood, Colorado • Brandon, Florida • Largo, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 13, 2026, 7:27 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 13, 2026, 7:27 PM EDT
Completed Not applicable Interventional Results available

Clinical and Microbiologic Outcomes of Adjunctive Antimicrobial Photodynamic Therapy in the Non-surgical and Surgical Treatment of Teeth With Periodontal Disease

NCT05252000
View directory record Official record
Conditions
Periodontal Diseases
Interventions
mechanical debridement, adjunctive aPDT, sham aPDT
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 13, 2026, 7:27 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 13, 2026, 7:27 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Photodynamic Therapy for Cutibacterium Acnes (C. Acnes) Decolonization of the Shoulder Dermis

NCT04636242
View directory record Official record
Conditions
C. Acnes, Phototherapy, Postoperative Infection, Arthroscopic Rotator Cuff Repair, Shoulder Surgery
Interventions
Skin Biopsy, 5 Aminolevulinic Acid + Phototherapy
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years to 80 Years · Male only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Sep 13, 2026, 7:27 PM EDT
Not yet recruiting Phase 2 Interventional

Efficacy of Methylene Blue Photodynamic Therapy for Treatment of Deep Tissue Abscesses

NCT06052956
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, Lipid Emulsion, Insertion of optical fiber, Laser Illumination (pre-defined dose), Optical Spectroscopy Measurement, Laser Illumination (patient-specific dose), Standard of care abscess drainage
Drug · Device · Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 13, 2026, 7:27 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Red Light Photobiomodulation and Topical Disinfectants

NCT05797818
View directory record Official record
Conditions
Healthcare Associated Infection, Nosocomial Infection, Surgical Site Infection
Interventions
Methylene Blue Only, Chlorhexidine Gluconate Only, Methylene Blue + Chlorhexidine Gluconate, Light Only
Device
Lead sponsor
Ondine Biomedical Inc.
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 13, 2026, 7:27 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 13, 2026, 7:27 PM EDT