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ClinicalTrials.gov public records Last synced Sep 17, 2026, 7:28 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: light exposure Clear all
Recruiting Not applicable Interventional

Project Q: Cue-based Treatment Intervention to Promote Cessation Among People Who Smoke Lightly or Non-daily

NCT07425119
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Cognitive Behavioral Therapy (CBT), Cue-based treatment intervention
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional

Effects of Simulated Solar Radiation on Human Skin in Preventing Skin Cancer

NCT05027009
View directory record Official record
Conditions
Melanoma
Interventions
Physical Examination, Solar Simulated Light
Procedure · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
18 Years to 100 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Supporting and Enhancing NICU Sensory Experiences (SENSE)

NCT03316547
View directory record Official record
Conditions
Premature Birth of Newborn
Interventions
SENSE Program
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Up to 32 Weeks
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 6, 2021 · Synced Sep 17, 2026, 7:28 AM 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 30, 2026 · Synced Sep 17, 2026, 7:28 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 17, 2026, 7:28 AM EDT
Terminated Not applicable Interventional Results available

Clinical Trial Proximal Caries Infiltration and Detection

NCT01796106
View directory record Official record
Conditions
Caries,Dental
Interventions
Resin infiltration, Fluoride varnish & Oral hygiene instruction
Device
Lead sponsor
DMG Dental Material Gesellschaft mbH
Industry
Eligibility
6 Years to 13 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Sep 17, 2026, 7:28 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Dose-dependent Impact of Daytime Lighting on Evening Responses to Light

NCT04882280
View directory record Official record
Conditions
Sleep
Interventions
Light
Behavioral
Lead sponsor
Palo Alto Veterans Institute for Research
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2022 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Dyadic Telehealth Program for Alzheimer's Patients/Caregivers

NCT05102565
View directory record Official record
Conditions
Sleep
Interventions
sleep education program
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional Results available

Improving the Sleep and Circadian Rhythms of Mechanically Ventilated Patients

NCT01284140
View directory record Official record
Conditions
Critical Illness, Sleep Deprivation, Respiratory Failure, Sleep Disorders, Circadian Rhythm
Interventions
Sleep and circadian rhythm promotion, Usual care
Behavioral
Lead sponsor
Brian Gehlbach
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
Chicago, Illinois • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Circadian OS Technology on Melatonin Suppression

NCT07095270
View directory record Official record
Conditions
Circadian Disruption
Interventions
Circadian OS software
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
30 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 17, 2026, 7:28 AM EDT
Recruiting Not applicable Interventional

ENhancing Exercise With LIGHT to Improve Functioning in PAD

NCT06399900
View directory record Official record
Conditions
Peripheral Artery Disease, Peripheral Vascular Disease, Aging, Walking, Difficulty
Interventions
Far red light therapy, Sham light therapy, Home-based walking exercise
Device · Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 17, 2026, 7:28 AM 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 17, 2026, 7:28 AM EDT
Completed Phase 2 Interventional Results available

A Trial of Extracorporeal Photopheresis, Pentostatin, and Total Body Irradiation in Patients Undergoing Reduced Intensity Allogeneic Stem Cell Transplantation for the Treatment of Malignancies

NCT00402714
View directory record Official record
Conditions
Hematologic Malignancies
Interventions
extracorporeal photopheresis, Pentostatin, Total Body Irradiation
Procedure · Drug · Radiation
Lead sponsor
Yale University
Other
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional

Using Early Time Restricted Feeding and Timed Light Therapy to Improve Glycemic Control in Adults With Type 2 Diabetes

NCT04155619
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Time Restricted Feeding, Light; Therapy, Complications
Interventions
No change in meal timing, No change in light exposure, Early Time-Restricted Feeding, Timed Light Therapy
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
30 Years to 80 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 17, 2026, 7:28 AM EDT
Completed No phase listed Observational

Comparative Effectiveness of Psoriasis Treatments on Systemic Inflammation

NCT02330380
View directory record Official record
Conditions
Psoriasis, Inflammation
Interventions
Methotrexate, Ustekinumab, Etanercept, Adalimumab, Acitretin, UVB Excimer Laser, Narrowband UVB
Drug · Other
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sensor Off Study Using a Nellcor USB Pulse Oximetry Monitor Interface Cable

NCT02265783
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Nellcor USB Pulse Oximeter Monitor Interface Cable
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 30, 2017 · Synced Sep 17, 2026, 7:28 AM EDT
Enrolling by invitation Phase 2 Interventional

Bright Light Therapy for Depressed Geriatric Inpatients

NCT07002554
View directory record Official record
Conditions
Unipolar Depression
Interventions
Bright light therapy, dim red light
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 17, 2026, 7:28 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Neurocognitive Effects of Non-Invasive Near-Infrared Light Stimulation

NCT05802680
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Attention Difficulties, Attention Deficit, Cognitive Deficit, Wellness
Interventions
Transcranial photobiomodulation, Sham transcranial photobiomodulation
Device
Lead sponsor
Francisco Gonzalez-Lima, PhD
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 17, 2026, 7:28 AM EDT
Active, not recruiting Not applicable Interventional

Circadian Health Regulation and Optimization for Rejuvenation Outcomes

NCT07203196
View directory record Official record
Conditions
Aging, Healthy, Blood Sugar; High, Blood Sugar (Glucose) Control, Time Restricted Eating, Circadian Dysregulation
Interventions
Circadian Rhythm Optimization
Behavioral
Lead sponsor
Salk Institute for Biological Studies
Other
Eligibility
50 Years to 80 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Phase 2 Interventional

Topical Chemoprevention of Skin Cancer Biomarkers

NCT02636569
View directory record Official record
Conditions
Non-melanoma Skin Cancer
Interventions
topical diclofenac daily, placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 17, 2026, 7:28 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Dyadic Sleep Health Approach for Persons With Alzheimer's Disease and Caregivers

NCT05452031
View directory record Official record
Conditions
Sleep
Interventions
Care2Sleep, Sleep Education
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
672 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
3
States / cities
La Jolla, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional Results available

Stimulating Neural Activity to Improve Blood Flow and Reduce Amyloid: Path to Clinical Trials

NCT03543878
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Flicker
Device
Lead sponsor
Emory University
Other
Eligibility
50 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 1, 2021 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional

Immersive Virtual Reality for Chronic Neuropathic Pain After Spinal Cord Injury: A Feasibility Trial

NCT04700033
View directory record Official record
Conditions
Neuralgia, Spinal Cord Injuries, Chronic Pain
Interventions
Somatic IVR (sIVR), Distractive IVR (dIVR), Control IVR (cIVR)
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Sep 17, 2026, 7:28 AM EDT
Completed Not applicable Interventional

Determining Which Regions of the Brain Are Active During Flight Simulation at Separate Timepoints During Training

NCT06606925
View directory record Official record
Conditions
Cognitive Performance
Interventions
fMRI with virtual reality flight simulator
Diagnostic Test
Lead sponsor
The Geneva Foundation
Other
Eligibility
18 Years to 54 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 17, 2026, 7:28 AM EDT