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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Light emitting diodes (LED) 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 4, 2026, 8:15 PM 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Withdrawn Not applicable Interventional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 4, 2026, 8:15 PM EDT
Completed Early Phase 1 Interventional

Fluorescence Imaging in Sentinel Lymph Node Biopsy for Breast Cancer and Melanoma

NCT02316795
View directory record Official record
Conditions
Breast Cancer, Cancer of Breast, Cancer of the Breast, Melanoma, Malignant Melanoma
Interventions
Sentinel lymph node biopsy, Goggle-based device with light-emitting diodes (LED), Indocynanine Green
Procedure · Device · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Phase 2 Interventional

Photodynamic Therapy With Talaporfin Sodium (LS11) in Treating Patients With Refractory Colorectal Liver Metastases

NCT00068068
View directory record Official record
Conditions
Liver Metastasis, Colorectal Neoplasms, Liver Neoplasms, Neoplasm Metastasis
Interventions
Talaporfin sodium (LS11), LED-based light infusion device, Light emitting diodes (LED), Photodynamic therapy, Phototherapy, Chemotherapy
Drug · Device · Procedure
Lead sponsor
Light Sciences LLC
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
5
States / cities
Denver, Colorado • Greenville, North Carolina • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2006 · Synced Sep 4, 2026, 8:15 PM 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 4, 2026, 8:15 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Gamma Light and Sound Stimulation to Prevent Dementia in Cognitively Normal People at Risk for Alzheimer's Disease

NCT05776641
View directory record Official record
Conditions
Alzheimer Disease, Family Members
Interventions
GENUS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional

LED Treatment to Improve Cognition and Promote Recovery in TBI

NCT02404402
View directory record Official record
Conditions
Traumatic Brain Injury, Posttraumatic Stress Disorder
Interventions
LED, sham LED
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional Results available

Revitalize Cognition: Near Infrared Stimulation in Parkinson Patients

NCT06688357
View directory record Official record
Conditions
Parkinson Disease
Interventions
Active NIR-PBM (MedX 1116, MCT502), Sham NIR-PBM (MedX 1116, MCT502)
Device
Lead sponsor
University of Florida
Other
Eligibility
62 Years to 89 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 16, 2025 · Synced Sep 4, 2026, 8:15 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers Results available

The Revitalize Study in Older Adults at Risk for Alzheimer's Disease

NCT04018092
View directory record Official record
Conditions
Cognitive Aging, Alzheimer Disease, Protection Against
Interventions
Active NIR-PBM, Sham NIR-PBM
Device
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 89 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
2
States / cities
Tucson, Arizona • Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 4, 2026, 8:15 PM EDT
Not listed Early Phase 1 Interventional

Photobiomodulation to Improve Cognition in TBI, With fMRI

NCT04230577
View directory record Official record
Conditions
Traumatic Brain Injury, Closed Head Injury, Cognitive Dysfunction
Interventions
Real LED Intervention, Sham LED Intervention
Device
Lead sponsor
Boston VA Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 24, 2022 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Individually Tailored Lighting System to Improve Sleep in Older Adults

NCT01855126
View directory record Official record
Conditions
Sleep Disturbances
Interventions
Blue light, Red light
Other
Lead sponsor
Rensselaer Polytechnic Institute
Other
Eligibility
65 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Troy, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2019 · Synced Sep 4, 2026, 8:15 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Brain Effects of Gamma Frequency Sensory Stimulation (40Hz Light, Sound and Other Devices)

NCT07496918
View directory record Official record
Conditions
Cognitively Healthy People, Alzheimer Disease
Interventions
GENUS, Tactile GENUS
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
18 Years to 100 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Revitalize Cognition: Near Infrared Stimulation in Older Adults

NCT02582593
View directory record Official record
Conditions
Aging
Interventions
MedX 1116 Rehab Console, Sham MedX 1116 Rehab Console
Device
Lead sponsor
University of Florida
Other
Eligibility
62 Years to 99 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 18, 2025 · Synced Sep 4, 2026, 8:15 PM EDT
Withdrawn Not applicable Interventional

The Effect of Light Therapy on Post-Surgical Pain

NCT05853731
View directory record Official record
Conditions
Intensive Care Unit, Cardiac Surgery
Interventions
Green light emitting diode, White light emitting diode
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Sep 4, 2026, 8:15 PM EDT
Not yet recruiting Not applicable Interventional

Photobiomodulation for Cancer-Related Cognitive Impairment

NCT05855694
View directory record Official record
Conditions
Cancer-related Cognitive Impairment
Interventions
THOR LED Photobiomodulation Helmet - Therapeutic, THOR LED Photobiomodulation Helmet - Control
Device
Lead sponsor
Arash Asher, MD
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional Results available

Scalp Application of LED Therapy to Improve Thinking and Memory in Veterans With Gulf War Illness

NCT01782378
View directory record Official record
Conditions
Gulf War Veterans Illness, Neurobehavioral Manifestations, Memory Disorders
Interventions
Real LED Treatment, Sham LED Treatment
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
38 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
San Francisco, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional Results available

Effects of LEDs on Memory in TBI Patients

NCT01598532
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
MedX Health Phototherapy (light therapy)
Device
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional Results available

Light Therapy for Moderate Traumatic Brain Injury

NCT02233413
View directory record Official record
Conditions
Moderate Traumatic Brain Injury (TBI)
Interventions
Active LLLT helmet application, Non-active LLLT helmet application
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Phase 2 Interventional

Study of the Litx™ System Combined With Chemotherapy in Patients With Colorectal Liver Metastases

NCT00083785
View directory record Official record
Conditions
Liver Metastasis, Colorectal Neoplasms, Liver Neoplasms, Neoplasm Metastasis
Interventions
Talaporfin sodium (LS11), LED-based light infusion device, Light emitting diodes (LED), Photodynamic therapy, Phototherapy, Chemotherapy
Drug · Device · Procedure
Lead sponsor
Light Sciences LLC
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 10, 2007 · Synced Sep 4, 2026, 8:15 PM EDT
Completed Not applicable Interventional Results available

LED Therapy for the Treatment of Concussive Brain Injury

NCT02383472
View directory record Official record
Conditions
Brain Concussion
Interventions
MedX Health Console model 1100, MedX Health Console model 1100-placebo
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
11 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2018 · Synced Sep 4, 2026, 8:15 PM EDT
Not yet recruiting Not applicable Interventional

Treatment of Chronic Lower Back Pain With a Combination of Electrical Stimulation, LED, and Laser Therapy

NCT07313826
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Active Neurolumen, Inactive Neurolumen
Device
Lead sponsor
Defense and Veterans Center for Integrative Pain Management
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Portsmouth, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 4, 2026, 8:15 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Technology and Assessing the Biological Effects of Commercially Available PhotoBioModulation Devices

NCT06403644
View directory record Official record
Conditions
Physiological Wellness
Interventions
NovoTHOR XL Photobiomodulation Full Body Light Bed, ARRC LED Photobiomodulation Full Body Light Bed
Device
Lead sponsor
United States Air Force Research Laboratory
Federal
Eligibility
18 Years to 45 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Beavercreek, Ohio
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 4, 2026, 8:15 PM EDT
Withdrawn Not applicable Interventional

Photobiomodulation on Neuropathic Pain and Sensation Post-mastectomy

NCT06194136
View directory record Official record
Conditions
Neuropathic Pain, Sensation Disorders
Interventions
PBM light therapy
Device
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 4, 2026, 8:15 PM EDT