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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Red Light (PDT) Clear all
Completed Phase 2 Interventional Results available

Efficacy and Safety Study With Visonac Photodynamic Therapy (PDT)

NCT00933543
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Visonac PDT (MAL PDT), Vehicle cream (placebo), PDT
Drug · Procedure
Lead sponsor
Photocure
Industry
Eligibility
9 Years to 35 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
San Diego, California • Chicago, Illinois • Naperville, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2013 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 2 Interventional Results available

Photodynamic Therapy (PDT) With Methyl Aminolevulinate (MAL) Cream in Moderate to Severe Acne

NCT00594425
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
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
14
States / cities
San Diego, California • Vallejo, California • Naperville, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2013 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 2 Interventional

Imaging Techniques to Monitor Photosensitizer and sO2 Levels During Photodynamic Therapy of Actinic Keratoses

NCT05923060
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Topical Aminolevulinate, Photodynamic therapy (PDT), Red light illumination
Drug · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 4, 2026, 6:22 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 19, 2022 · Synced Sep 4, 2026, 6:22 AM 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 4, 2026, 6:22 AM EDT
Completed Phase 2 Interventional Results available

Short Contact Protocols to Reduce Pain During 10% ALA Gel Red-light Photodynamic Therapy of Actinic Keratoses

NCT06027619
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Topical aminolevulinate (10% ALA gel), Red light illumination
Drug · Device
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Sep 4, 2026, 6:22 AM 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 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Results available

Blue vs Red Light During Levulan Based Photodynamic Therapy in Patients With Basal Cell Nevus Syndrome

NCT02157623
View directory record Official record
Conditions
Basal Cell Nevus Syndrome
Interventions
Levulan, Red Light PDT, Blue Light PDT
Drug · Other
Lead sponsor
Edward Maytin, MD, PhD
Other
Eligibility
Not listed
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 29, 2020 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 2 Interventional Results available

A Double Blinded, Prospective, Randomized, Vehicle Controlled Multi-center Study of Photodynamic Therapy With Visonac® Cream in Patients With Acne Vulgaris

NCT01347879
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Visonac PDT, Vehicle cream with PDT
Drug
Lead sponsor
Photocure
Industry
Eligibility
12 Years to 35 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
15
States / cities
Oceanside, California • San Diego, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2014 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional

Light Therapy Intervention in Individuals With Parkinson's Disease

NCT06916260
View directory record Official record
Conditions
Parkinson Disease
Interventions
Red Light (PDT), Placebo
Device
Lead sponsor
University of Delaware
Other
Eligibility
50 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced Sep 4, 2026, 6:22 AM 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 4, 2026, 6:22 AM 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 4, 2026, 6:22 AM 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 4, 2026, 6:22 AM 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 4, 2026, 6:22 AM EDT
Completed No phase listed Observational

Photodynamic Therapy Using Porfimer Sodium in Treating Patients With Non-Small Cell Lung Cancer And Bronchial Disease

NCT00754910
View directory record Official record
Conditions
Lung Cancer
Interventions
porfimer sodium, bronchoscopy
Drug · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 4, 2026, 6:22 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 16, 2024 · Synced Sep 4, 2026, 6:22 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 3, 2022 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 2 Interventional

Nasal Photodisinfection in All Patients Presenting for Surgery for a Wide Range of Surgical Procedures

NCT05090657
View directory record Official record
Conditions
Surgical Site Infections, Nosocomial Infection, Healthcare Associated Infections
Interventions
methylene blue 0.01%/chlorhexidine gluconate 0.25% + light activation
Combination Product
Lead sponsor
Ondine Biomedical Inc.
Industry
Eligibility
18 Years and older
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Sep 4, 2026, 6:22 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 13, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Phase 1 Interventional

Photodynamic Therapy For Onychomycosis

NCT07756671
View directory record Official record
Conditions
Onychomycosis of Toenail
Interventions
ALA 10% gel, PDT, Urea
Drug · Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 100 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Arlington, Texas • Houston, Texas • Webster, Texas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 3 Interventional Results available

Metvix PDT Versus Vehicle PDT With Aktilite CL128 Lamp in Patients With Actinic Keratosis on the Face and Scalp

NCT00304239
View directory record Official record
Conditions
Actinic Keratosis
Interventions
Metvix-PDT, Vehicle-PDT
Combination Product
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
4
States / cities
Naperville, Illinois • Louisville, Kentucky • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 4, 2026, 6:22 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 28, 2024 · Synced Sep 4, 2026, 6:22 AM EDT
Not listed Phase 4 Interventional

Cryotherapy in Combination with Red Light PDT for Actinic Keratosis of Full Face

NCT06745999
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Ameluz 10% Topical Gel, Red Light PDT, Cryotherapy
Drug · Device · Procedure
Lead sponsor
Psoriasis Treatment Center of Central New Jersey
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
East Windsor, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 23, 2024 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 1 Interventional

Safety Study Using Photodynamic Therapy Light Therapy for Patients With Chest Wall Progression of Breast Cancer and Satellite Metastases of Melanoma

NCT00862901
View directory record Official record
Conditions
Breast Cancer, Skin Cancer
Interventions
CLIPT patch
Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 25, 2011 · Synced Sep 4, 2026, 6:22 AM EDT