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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:22 PM EDT

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Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Lighting Intervention Blue light Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Bright Light on Co-occurring Cancer-related Symptoms in Breast Cancer Survivors

NCT03304587
View directory record Official record
Conditions
Breast Cancer
Interventions
Polysomnography (PSG), Rectal thermistor 400 Series, Bright blue-green light, Dim red light, Digital foot candle datalogging light meter, Patient-Reported Outcomes Measurement Information System (PROMIS)-Cancer-Fatigue, Patient-Reported Outcomes Measurement Information System (PROMIS)-Sleep Disturbance, Patient-Reported Outcomes Measurement Information System (PROMIS)-Depression, Patient-Reported Outcomes Measurement Information System (PROMIS)-Physical Function, Pittsburgh Sleep Quality Index (PSQI), Center for Epidemiological Studies - Depression, Montreal Cognitive Assessment (MoCA), European Organization for Research and Treatment of Cancer-Quality of Life Questionnaire (EORTC QLQ-C30), Daily Log
Diagnostic Test · Other
Lead sponsor
Michigan State University
Other
Eligibility
21 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 22, 2026, 5:22 PM EDT
Completed Not applicable Interventional Results available

Lighting Intervention for Cancer-related Fatigue

NCT04827446
View directory record Official record
Conditions
Breast Cancer, Prostate Cancer, Hematologic Malignancy, Survivorship, Fatigue
Interventions
Wearable Sensor, Blue-blocking glasses, Clear glasses, Full SYNC app, "Dummy" SYNC app
Other
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Oct 22, 2026, 5:22 PM EDT
Completed Not applicable Interventional Results available

The SleepWell Study - Chronotherapeutic Intervention to Improve Sleep Following ACS

NCT05299723
View directory record Official record
Conditions
Sleep Disturbance, Insomnia, Acute Coronary Syndrome
Interventions
BLT Intervention, BLB Intervention, Sleep Hygiene Education
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Oct 22, 2026, 5:22 PM 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 19, 2025 · Synced Oct 22, 2026, 5:22 PM EDT
Not listed Not applicable Interventional

Visual Outcomes of Tecnis Symfony Opti-Blue EDOF Intraocular Lens (IOL)

NCT06500416
View directory record Official record
Conditions
Cataract
Interventions
Tecnis Symfony OptiBlue/ Tecnis Symfony OptiBlue toric IOL
Device
Lead sponsor
Coastal Eye Surgeons PLLC
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Greenwich, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 22, 2026, 5:22 PM 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 11, 2026 · Synced Oct 22, 2026, 5:22 PM EDT
Completed No phase listed Observational

Novel Exoscope System for 5-ALA Fluorescence-Guided Surgery for Gliomas

NCT04055688
View directory record Official record
Conditions
Brain Tumor, Glioma
Interventions
Orbeye surgical videomicroscope, 5-Aminolevulinic Acid
Device · Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Oct 22, 2026, 5:22 PM EDT
Recruiting Not applicable Interventional

Circadian Light Exposure Adjustment for Restfulness

NCT07391852
View directory record Official record
Conditions
Sleep Onset Latency
Interventions
Amber Tinted Glasses, Clear Glasses, Smart Lightbulbs
Device
Lead sponsor
University of Arizona
Other
Eligibility
60 Months to 83 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 22, 2026, 5:22 PM EDT
Terminated Not applicable Interventional Results available

PACESETTER: Program to Avoid Cerebrovascular Events Through Systematic Electronic Tracking and Tailoring of an Eminent Risk-factor

NCT03401489
View directory record Official record
Conditions
Blood Pressure, Hypertension, Mhealth
Interventions
PACESETTER
Device
Lead sponsor
Northern California Institute of Research and Education
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
4
States / cities
San Francisco, California • Charleston, South Carolina • Columbia, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 22, 2026, 5:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Understanding Circadian Responses to Light in Persons With Mild Cognitive Impairment

NCT05411822
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Lighting Intervention Blue light, Lighting Intervention Green light, Dim-light control condition
Device · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Menands, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Oct 22, 2026, 5:22 PM EDT
Recruiting Not applicable Interventional

Transdiagnostic Sleep and Circadian Intervention + Bright Light in Adolescents With Elevated Depression (TranS-C+BL)

NCT06963463
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
TranS-C, Sleep Feedback
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years to 18 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 22, 2026, 5:22 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety of Meibomian Gland Dysfunction and Dry Eye With an LED Blue Treatment Device

NCT03788486
View directory record Official record
Conditions
Meibomian Gland Dysfunction
Interventions
2-3 Joule LED blue light device
Device
Lead sponsor
Toyos Clinic
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Germantown, Tennessee • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 22, 2026, 5:22 PM EDT
Recruiting Phase 3 Interventional

Outcomes of High-risk Non-muscle Invasive Bladder Cancer Treated With Blue Light Resection

NCT06525571
View directory record Official record
Conditions
Bladder Cancer
Interventions
Cysview, Karl Storz D-Light C Photodynamic Diagnostic (PDD) system
Drug · Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 22, 2026, 5:22 PM EDT
Active, not recruiting Phase 2 Interventional

Alteration of the Immune Microenvironment in Basal Cell Carcinoma Following Photodynamic Therapy

NCT05020912
View directory record Official record
Conditions
Basal Cell Carcinoma
Interventions
ALA, PDT
Drug · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 22, 2026, 5:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

WatchWell: Simple and Practical Strategies to Reduce the Negative Health Impact of Sedentary Screen Time

NCT06963736
View directory record Official record
Conditions
Sedentary Time, Cardiovascular Diseases, Prediabetes, Obesity
Interventions
Blue light, Eating, Standing
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
26 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 22, 2026, 5:22 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Fatigue in Long-Haul Operations

NCT07761611
View directory record Official record
Conditions
Alertness, Fatigue, Mood, and Performance, Calorie Restriction and Light Intervention
Interventions
Caloric restriction, Light exposure
Behavioral · Device
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 22, 2026, 5:22 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 29, 2019 · Synced Oct 22, 2026, 5:22 PM EDT
Active, not recruiting Not applicable Interventional

Far Red Light to Improve Functioning in PAD

NCT06165016
View directory record Official record
Conditions
Peripheral Artery Disease, Peripheral Vascular Disease, Aging, Walking, Difficulty
Interventions
Far red light therapy, Sham light therapy
Device
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Birmingham, Alabama • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 22, 2026, 5:22 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Chromoendoscopy or Narrow Band Imaging (NBI) for Improving Adenoma Detection in Colonoscopy

NCT04192929
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Narrow band imaging, Chromoendoscopy, High definition white light endoscopy
Device · Other
Lead sponsor
Indiana University
Other
Eligibility
40 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 22, 2026, 5:22 PM EDT
Completed Phase 1 Interventional

Bright Light on Fatigue in Women Being Treated for Breast Cancer

NCT02658708
View directory record Official record
Conditions
Breast Neoplasms, Breast Cancer, Cancer of Breast, Cancer of the Breast
Interventions
Bright blue-green light using light visor cap, Dim red light using light visor cap, European Organization for Research and Treatment of Cancer-Quality of Life Questionnaire, Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, Patient-Reported Outcomes Measurement Information System (PROMIS)-Sleep Disturbance, Patient-Reported Outcomes Measurement Information System (PROMIS)-Cancer-Fatigue, Digital foot candle datalogging light meter (Extech Instrument, Model SDL400), Polysomnography (Easy Ambulatory 2 Cadwell, Kennewick, WA), Horne-Ostberg Morningness-Eveningness Questionnaire, Daily Fatigue and Sleep Log
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 22, 2026, 5:22 PM EDT
Completed Phase 1 Interventional Results available

Daylight Photodynamic Therapy for Actinic Keratosis

NCT03322293
View directory record Official record
Conditions
Actinic Keratoses
Interventions
Aminolevulinic Acid Topical 20% Topical Solution, BLU-U blue light phototherapy illuminator
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 22, 2026, 5:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study Comparing Blue Light Imaging (BLI) With Flexible Spectral-Imaging Color Enhancement (FICE)

NCT02755285
View directory record Official record
Conditions
Endoscopy
Interventions
Single Endoscopy Procedure
Device
Lead sponsor
Fujifilm Medical Systems USA, Inc.
Industry
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Oct 22, 2026, 5:22 PM EDT
Recruiting Not applicable Interventional

Sleep and Circadian Interventions for College Students at High Risk of Suicide

NCT07346014
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
Sleep Feedback + Psychoeducation, Transdiagnostic Sleep and Circadian Intervention + Bright Light (TSC+), Triple Chronotherapy (TCT+)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 22, 2026, 5:22 PM 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 22, 2022 · Synced Oct 22, 2026, 5:22 PM EDT