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Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Blue Light PDT Clear all
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 7, 2026, 2:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Use of Microneedles in Photodynamic Therapy

NCT01812837
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Microneedle, Aminolevulinic Acid, Blue light
Device · Drug · Radiation
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Sep 7, 2026, 2:15 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 7, 2026, 2:15 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 7, 2026, 2:15 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 7, 2026, 2:15 PM EDT
Completed Phase 4 Interventional Results available

Clinical and Microbiologic Outcomes of aPDT in the Non-surgical Treatment of Implant Inflammation

NCT04187053
View directory record Official record
Conditions
DENT IMPLANTS, LASER
Interventions
Conventional mechanical therapy, Saline, Methylene Blue, Light emitting laser, Non-light emitting laser
Procedure · Drug · Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Sep 7, 2026, 2:15 PM 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 7, 2026, 2:15 PM EDT
Not yet recruiting Early Phase 1 Interventional

Topical Methylene Blue-Photodynamic Therapy (MB-PDT) for Burn Wound Infection

NCT07494773
View directory record Official record
Conditions
Burns, Wound Infection
Interventions
Methylene Blue, Blue Light Illumination
Drug · Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 7, 2026, 2:15 PM 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 17, 2026 · Synced Sep 7, 2026, 2:15 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 7, 2026, 2:15 PM EDT
Withdrawn Not applicable Interventional

Photodynamic Therapy Mediated by Topical Application of 5- ALA for the Treatment of Actinic Keratoses

NCT00814528
View directory record Official record
Conditions
Actinic Keratosis
Interventions
5-ALA plus Blu-Light, 5-FU, Imiquimod or treatment with cryotherapy
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 95 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 9, 2018 · Synced Sep 7, 2026, 2:15 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 7, 2026, 2:15 PM EDT
Recruiting Phase 1 Interventional

Blue-Light Photodynamic Therapy and Sonidegib for Multiple Basal Cell Carcinomas

NCT06623201
View directory record Official record
Conditions
Basal Cell Carcinoma (BCC)
Interventions
aminolevulinic acid HCL (ALA), BLU-U device model 4170E
Drug · Device
Lead sponsor
Nathalie Zeitouni
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 7, 2026, 2:15 PM EDT
Terminated Not applicable Interventional Results available

Safety and Preliminary Efficacy of Combination Therapy for the Treatment of Acne Vulgaris

NCT02431494
View directory record Official record
Conditions
Acne Vulgaris, Acne
Interventions
Blue light phototherapy, Microcurrent therapy, Combination of BLP and Microcurrent
Device
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 30 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Fort Lauderdale, Florida • Hollywood, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2020 · Synced Sep 7, 2026, 2:15 PM 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 7, 2026, 2:15 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 7, 2026, 2:15 PM 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 17, 2017 · Synced Sep 7, 2026, 2:15 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 7, 2026, 2:15 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 7, 2026, 2:15 PM EDT
Completed Phase 4 Interventional Results available

Photodynamic Therapy (PDT) With Levulan and Blue Light for the Treatment of Actinic Cheilitis

NCT02409732
View directory record Official record
Conditions
Actinic Cheilitis
Interventions
aminolevulinic acid hydrochloride, Photodynamic therapy with blue light
Drug · Procedure
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Sep 7, 2026, 2:15 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 7, 2026, 2:15 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 7, 2026, 2:15 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 7, 2026, 2:15 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 Sep 7, 2026, 2:15 PM EDT