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ClinicalTrials.gov public records Last synced Oct 23, 2026, 6:03 PM EDT

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Showing 793–816 of 966 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Light Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Excimer Light Treatment for Idiopathic Guttate Hypomelanosis: A Pilot Study

NCT01956435
View directory record Official record
Conditions
Idiopathic Guttate Hypomelanosis
Interventions
Excimer Light Treatment
Device
Lead sponsor
Seton Healthcare Family
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2017 · Synced Oct 23, 2026, 6:03 PM EDT
Recruiting No phase listed Observational

Advancing Identification of Circadian Delay in ADHD Youth: Associations With Clinical Heterogeneity and Cognition

NCT06971640
View directory record Official record
Conditions
ADHD - Attention Deficit Disorder With Hyperactivity, ADHD
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
6 Years to 9 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 23, 2026, 6:03 PM EDT
Not listed Phase 2Phase 3 Interventional Accepts healthy volunteers

Treatment of Keratoconus Using Collagen Cross-Linking

NCT00841386
View directory record Official record
Conditions
Keratoconus
Interventions
Riboflavin-5-phosphate, Sham cross-linking
Drug
Lead sponsor
University at Buffalo
Other
Eligibility
16 Years to 35 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Amherst, New York • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 11, 2009 · Synced Oct 23, 2026, 6:03 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Shifting Sleep Timing in Teens

NCT05808179
View directory record Official record
Conditions
Sleep Insufficiency, Sleep, Adolescent Behavior
Interventions
Light, CBT, Sham Light
Device · Behavioral
Lead sponsor
Stanford University
Other
Eligibility
14 Years to 18 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 23, 2026, 6:03 PM EDT
Completed Phase 2 Interventional

Efficacy of Swedish Massage Therapy on Cancer-related Fatigue in Cancer Survivors

NCT01926678
View directory record Official record
Conditions
Cancer Related Fatigue
Interventions
Swedish massage therapy, Light touch therapy
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Oct 23, 2026, 6:03 PM EDT
Completed Not applicable Interventional Results available

Morning Light Treatment for Traumatic Stress: The Role of Amygdala Reactivity

NCT04117347
View directory record Official record
Conditions
Stress
Interventions
Light therapy A via the Re-Timer®, Light therapy B via the Re-Timer®, Light therapy C via the Re-Timer®
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 23, 2026, 6:03 PM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Light and Sleep Fragmentation

NCT06009289
View directory record Official record
Conditions
Sleep, Mild Cognitive Impairment, Mood Disorders
Interventions
Light therapy
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
65 Years to 99 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2023 · Synced Oct 23, 2026, 6:03 PM EDT
Completed Early Phase 1 Interventional

Photobiomodulation for the Treatment of Diabetic Macular Edema

NCT02457975
View directory record Official record
Conditions
Diabetic Retinopathy
Interventions
670nm PBM, intravitreous VEGF-inhibitors
Device · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 23, 2026, 6:03 PM EDT
Recruiting No phase listed Observational

Clinical Evaluation of WaveLight Plus LASIK

NCT07127757
View directory record Official record
Conditions
Myopia, Astigmatism
Interventions
Wavelight Plus LASIK
Device
Lead sponsor
Laser Defined Vision
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2025 – 2026
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 23, 2026, 6:03 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Birtamimab in Mayo Stage IV Patients With AL Amyloidosis

NCT04973137
View directory record Official record
Conditions
Light Chain (AL) Amyloidosis
Interventions
Birtamimab, Placebo, Standard of Care Chemotherapy
Drug · Other
Lead sponsor
Prothena Biosciences Ltd.
Industry
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
22
States / cities
North Haven, Connecticut • Trumbull, Connecticut • Washington D.C., District of Columbia + 16 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 23, 2026, 6:03 PM EDT
Terminated Phase 2 Interventional

UVB Phototherapy Treatment of Oral Chronic GVHD

NCT00374257
View directory record Official record
Conditions
Oral Chronic Graft-versus-host Disease
Interventions
Narrow-Band UVB Phototherapy
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
4 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 23, 2026, 6:03 PM EDT
Recruiting Phase 4 Interventional

Arcuate Incisions With Light Adjustable Lens for Astigmatism Correction in Lens Surgery

NCT07140653
View directory record Official record
Conditions
Astigmatism
Interventions
Femto arcs, Light Adjustable Lens (LAL)
Other · Device
Lead sponsor
Center For Sight
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Venice, Florida • Mt. Pleasant, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Oct 23, 2026, 6:03 PM EDT
Completed Not applicable Interventional

7T MRI for Light Therapy in Patients With Mild Cognitive Impairment and Mild AD

NCT05596994
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
Lighting Intervention Therapy, Sham LIT
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2025 · Synced Oct 23, 2026, 6:03 PM EDT
Not yet recruiting Phase 1 Interventional

Circadian-Optimized Light Therapy for the Treatment of Patients With Advanced Melanoma Receiving Tumor-Infiltrating Lymphocyte Therapy

NCT07628894
View directory record Official record
Conditions
Advanced Cutaneous Melanoma, Clinical Stage III Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Metastatic Cutaneous Melanoma
Interventions
Biospecimen Collection, Internet-Based Intervention, Medical Device Usage and Evaluation, Phototherapy, Questionnaire Administration, Therapeutic Tumor Infiltrating Lymphocytes
Procedure · Other · Biological
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 23, 2026, 6:03 PM EDT
Completed Not applicable Interventional

Bright White Light Therapy for the Improvement of Sleep, Fatigue, Distress, Depression, and Anxiety in Hospitalized Leukemia Patients

NCT04597086
View directory record Official record
Conditions
Acute Leukemia, Recurrent Leukemia, Refractory Leukemia
Interventions
Best Practice, Bright White Light Therapy, Survey Administration
Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 7, 2023 · Synced Oct 23, 2026, 6:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cannabis Effects on Sleep, Circadian Rhythms, and Light Sensitivity in Young Adults

NCT06743373
View directory record Official record
Conditions
Cannabis Use, Sleep, Circadian Rhythm
Interventions
Cannabis Discontinuation
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 23, 2026, 6:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing a Novel Phototherapy Kiosk to Oral Vitamin D Supplementation

NCT04556136
View directory record Official record
Conditions
Hypovitaminosis D
Interventions
Standing Phototherapy Kiosk, D3 Oral supplement
Device · Dietary Supplement
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 69 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Mar 13, 2024 · Synced Oct 23, 2026, 6:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigating Brain Function in People With and Without Visual Snow Syndrome Using Adaptation to Visual Stimuli

NCT06961864
View directory record Official record
Conditions
Visual Snow Syndrome, Migraine, Healthy
Interventions
Visual Adaptation, Assessments and Questionnaires, Functional Magnetic Resonance Imaging (fMRI), Magnetic Resonance Imaging (MRS)
Behavioral · Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 23, 2026, 6:03 PM 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 23, 2025 · Synced Oct 23, 2026, 6:03 PM EDT
Terminated Phase 3 Interventional Results available

Trial of High Dose Melphalan/Stem Cell Transplant With or Without Bortezomib

NCT02489500
View directory record Official record
Conditions
AL Amyloidosis
Interventions
Bortezomib, Melphalan, Neupogen, Stem Cell Collection, Stem cell infusion
Drug · Procedure
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Oct 23, 2026, 6:03 PM EDT
Not yet recruiting Not applicable Interventional

Therapeutic Induction of Dermal Remodeling in Veterans to Prevent Actinic Neoplasia Caused by Chronic Environmental Exposure to Ultraviolet Radiation

NCT07648407
View directory record Official record
Conditions
Nonmelanoma Skin Cancer, Actinic Keratosis
Interventions
Microneedling, Trichloroacetic acid peel
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
Indianapolis, Indiana • Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 23, 2026, 6:03 PM EDT
Recruiting Not applicable Interventional

High Frequency Light, Sound, and Tactile Stimulation to Improve Motor and Cognitive Deficits in Parkinson's Disease

NCT05268887
View directory record Official record
Conditions
Parkinson Disease
Interventions
GENUS device (Active Settings), GENUS device (Sham settings)
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
45 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 23, 2026, 6:03 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Early DHA/ARA Supplementation in Growth-restricted Very Preterm Infants: A Randomized Clinical Trial

NCT06207071
View directory record Official record
Conditions
Infant Malnutrition, Light-For-Dates With Signs of Fetal Malnutrition, Premature, Nutrition Disorder, Infant
Interventions
DHA
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
24 Hours to 72 Hours
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 23, 2026, 6:03 PM EDT
Completed Phase 3 Interventional Results available

FLASH [Fluorescent Light Activated Synthetic Hypericin] Clinical Study: Topical SGX301 (Synthetic Hypericin) for the Treatment of Cutaneous T-Cell Lymphoma (Mycosis Fungoides)

NCT02448381
View directory record Official record
Conditions
Cutaneous T-Cell Lymphoma
Interventions
SGX301 (synthetic hypericin), Placebo
Drug
Lead sponsor
Soligenix
Industry
Eligibility
18 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
33
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2022 · Synced Oct 23, 2026, 6:03 PM EDT