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Showing 1–24 of 221 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Red light Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Treatment of Androgenetic Alopecia in Males and Females

NCT01437163
View directory record Official record
Conditions
Androgenetic Alopecia
Interventions
TopHat 655 rejuvenation system, Laser and/or Light Hair Rejuvenation System
Device
Lead sponsor
Apira Science, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
4
States / cities
Hoboken, New Jersey • New York, New York • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Sep 6, 2026, 5:34 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 6, 2026, 5:34 AM EDT
Withdrawn No phase listed Observational

Intraoperative Optical Imaging of Brain Function

NCT00632437
View directory record Official record
Conditions
Brain Tumor
Interventions
Speckle-Contrast Imaging
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2012 · Synced Sep 6, 2026, 5:34 AM EDT
Withdrawn Not applicable Interventional

LED Light Therapy to Improve Cognitive & Psychosocial Function in TBI-PTSD Veterans

NCT02356861
View directory record Official record
Conditions
Traumatic Brain Injury (TBI), Post-traumatic Stress Disorder (PTSD)
Interventions
Photomedex Sham Helmet with Red/Near-Infrared Light-Emitting Diodes (LEDs) that are not turned on
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 6, 2026, 5:34 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 6, 2026, 5:34 AM EDT
Completed Not applicable Interventional Results available

Clinical Efficacy and Human Factors Validation Testing of the Erchonia EVRL for Providing Temporary Relief of Diabetic Peripheral Neuropathy Foot Pain

NCT05291975
View directory record Official record
Conditions
Neuropathy, Diabetic, Neuropathy;Peripheral, Neuropathy, Painful
Interventions
Erchonia® EVRL™, Placebo Laser
Device
Lead sponsor
Erchonia Corporation
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Phoenix, Arizona • West Covina, California • Dunedin, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Sep 6, 2026, 5:34 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Effects of a Red/Gold/IR LED Combination Light on Reduction of Fat

NCT04525573
View directory record Official record
Conditions
Body Image, Diabetes Mellitus, Type 2
Interventions
LLLT Combination Red/Gold/IR Therapy
Device
Lead sponsor
Ward Photonics LLC
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Schaumburg, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 17, 2022 · Synced Sep 6, 2026, 5:34 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Use of Infrared Photomodulation for Hormonal Balance (Joovvin' for Hormonal Health)

NCT04245527
View directory record Official record
Conditions
Testosterone Deficiency, Estrogen Deficiency
Interventions
Joovv Infrared Light Device
Device
Lead sponsor
ProofPilot
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Sep 6, 2026, 5:34 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

SpO2 Validation Study-Philips Optimus

NCT07215429
View directory record Official record
Conditions
Pulse Oximetry, Oxygen Measurements, SpO2
Interventions
No intervention
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 6, 2026, 5:34 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Light Therapy for Depression in Adolescent Outpatients

NCT05823090
View directory record Official record
Conditions
Depression, Adolescent - Emotional Problem
Interventions
light box (Carex DayLight Classic Model)
Device
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
12 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Sep 6, 2026, 5:34 AM EDT
Completed Phase 2 Interventional Results available

Research Study of Treatment for Winter Depression With Different Colors of Light

NCT00269633
View directory record Official record
Conditions
Seasonal Affective Disorder
Interventions
Blue Light Box 467 nm, Red Light Box 657 nm
Device
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2016 · Synced Sep 6, 2026, 5:34 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 6, 2026, 5:34 AM EDT
Completed Phase 1 Interventional

Photobiomodulation to Alter Cerebral Blood Flow and to Affect the Emotional Status of Patients With Major Depression

NCT00961454
View directory record Official record
Conditions
Major Depression, Anxiety Disorder, Post-Traumatic Stress Disorder, Substance Abuse Disorder
Interventions
Photobiomodulation with a super-luminous light emitting diode
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2009 · Synced Sep 6, 2026, 5:34 AM EDT
Recruiting Not applicable Interventional

Phase 2 - Rhythmic Light Therapy for Alzheimer's Disease Patients

NCT05016219
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Circadian-Effective Light, Rhythmic Light, Placebo Light, Placebo Rhythmic Light
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Menands, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 6, 2026, 5:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Open-label Safety and Tolerability Study of LTS-PDT in Healthy Volunteers

NCT01830764
View directory record Official record
Conditions
Acne Vulgaris
Interventions
Red Light (PDT)
Drug
Lead sponsor
Dermira, Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 19, 2021 · Synced Sep 6, 2026, 5:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Temperature Rise Caused by Short or Long-wavelengths

NCT06418958
View directory record Official record
Conditions
Post-operative Pain
Interventions
Red Light, Blue Light
Device
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 35 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Sep 6, 2026, 5:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Inhibitory Control and Pediatric Weight Management

NCT04747548
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Kurbo Only, Kurbo + PolyRules!
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
7 Years to 13 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2022 · Synced Sep 6, 2026, 5:34 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 6, 2026, 5:34 AM EDT
Completed Not applicable Interventional

Crossover Study to Evaluate the Efficacy of LED in Treating the Signs of Contact/Irritant Dermatitis of the Hand

NCT05497921
View directory record Official record
Conditions
Contact Dermatitis of Hand
Interventions
handLITE LED device
Device
Lead sponsor
Steven Baker
Industry
Eligibility
21 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Sep 6, 2026, 5:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Inactivation of Whole Blood With Mirasol

NCT01907906
View directory record Official record
Conditions
Focus of Study: Radiolabel Recovery and Survival of RBCs
Interventions
Mirasol System for Whole Blood
Device
Lead sponsor
Terumo BCTbio
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Cincinnati, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 17, 2015 · Synced Sep 6, 2026, 5:34 AM EDT
Completed Phase 2 Interventional Results available

Use of Jet-injection in Photodynamic Therapy for Basal Cell Carcinoma

NCT04552990
View directory record Official record
Conditions
BCC, BCC - Basal Cell Carcinoma, Basal Cell Carcinoma, Basal Cell Cancer, Superficial Basal Cell Carcinoma, Nodular Basal Cell Carcinoma
Interventions
Jet injection of ALA, Surgical excision, Illumination, Incubation
Drug · Procedure · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 6, 2026, 5:34 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 6, 2026, 5:34 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Study of Low Level Laser Therapy and Tinnitus Relief

NCT00845975
View directory record Official record
Conditions
Tinnitus
Interventions
Erchonia Hearing Lasers #1 & #2, Placebo Lasers
Device
Lead sponsor
Erchonia Corporation
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2014 · Synced Sep 6, 2026, 5:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Rhythmic Light Therapy for Alzheimer's Disease Patients

NCT05015478
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Tailored Rhythmic Lighting Intervention, Placebo Rhythmic Lighting Intervention
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Menands, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 6, 2026, 5:34 AM EDT