Clinical trials: Light
Diabetic Neuropathy
NIR- and Multifrequent Impedance Spectroscopy on the Skin in Type 1 Diabetes
The aim of the study is to examine the suitability to detect diabetic neuropathy using NIR and impedance.
- Trial name
- NIR (NCT01707979)
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Lise Tarnow
Digital Eye Strain, Computer Vision Syndrome
Effect of Yellow Light AG Mobile Phone Screen on Dry Eye and Asthenopia.
This study aimed to evaluate the protective effects of yellow-light etching anti-glare (AG) screen on Digital Eye Strain (DES) induced by prolonged video display terminal (VDT) use under dim environment, Based on the proved…
- Conditions
- Digital Eye Strain, Computer Vision Syndrome, Dry Eye, Asthenopia
- Trial name
- NCT07340359
- Testing
- reading 2h on smartphone
- Where
- China
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Chronic Pain
Green Light Exposure in Healthy Volunteers Exposure in Normal Human Volunteers
This research project is intended to understand the mechanisms of action for the pain-relieving properties of visual green light exposure.
- Trial name
- NCT05295225
- Testing
- Green Light Emitting Diode, White Light Emitting Diode
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 4 of 7)
NOTE: This is the fourth of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02919228
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern
Food Selection
A Trial of Traffic Light Labeling With Behavioral Nudges and a Healthy Recipe Database to Increase Selection of Healthier Foods in Client-choice Food Pantries
This study is a pilot evaluation of the Healthy Pantry Program, a new behavioral economics-based training that allows pantry staff to learn how to implement nudges integrating traffic-light nutrition labeling and a healthy recipe…
- Trial name
- NCT04243252
- Testing
- Healthy Pantry Program, Waitlist Control
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Dental Plaque
Antimicrobial Photodynamic Therapy With Erythrosine and Blue Light on Dental Biofilm Bacteria
The objective of this study is to investigate the effect of Antimicrobial Photodynamic Therapy mediated by Erythrosine and blue LED in the reduction of bacteria in dental biofilm.
- Trial name
- NCT05805761
- Testing
- Conventional Treatment, Antimicrobial Photodynamic Therapy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
Glucose Intolerance, Sleep Deprivation
Influence of Nocturnal Light Exposure on the Impairment of Glucose Tolerance Induced by Chronic Sleep Restriction
This project is designed to test for the first time whether glucose metabolism is differentially impaired by sleep restriction with and without additional exposure to artificial light at night (ALAN).
- Conditions
- Glucose Intolerance, Sleep Deprivation, Sleep
- Trial name
- NCT04868539
- Testing
- Sleep Restriction with ALAN first, then Sleep Restriction without ALAN, Sleep Restriction without ALAN first, then sleep restriction with ALAN
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Atopic Dermatitis
Impact of Narrowband UVB Phototherapy on Systemic Inflammation in Patients With Atopic Dermatitis
Atopic dermatitis (eczema) is a chronic inflammatory disease that causes significant morbidity and is now known to be associated with cardiovascular disease.
- Trial name
- NCT03083730
- Testing
- Narrow band UVB treatment (NB-UVB)
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Platelet Activation Testing Before/After Anti-platelet Therapy, Healthy
The Accuracy Of A Novel Platelet Activity Assay In Humans On Antiplatelet Agents: Pharmacodynamics And Comparison With Light Transmission Aggregometry
The purpose of this study is to test a novel diagnostic immunoassay of platelet function and compare it to the current gold standard platelet function assay by testing the response to aspirin and clopidogrel in a group of healthy…
- Trial name
- NCT04822363
- Testing
- Aspirin, Clopidogrel
- Where
- United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Pigment; Lesion, Lesion; Vascular
Image Data Collection of Tanned Skin During Phototherapy Treatment Using a Multi-spectral Camera
This is a prospective, observational, single-center, image collection study. Any patient who arrived at the phototherapy clinic for the first time, regardless of this study, and is prescribed a total of 30 treatments can be…
- Trial name
- NCT05692544
- Testing
- Phototherapy treatment
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Lumenis Be Ltd.
Dentin Sensitivity
Evaluation of the Effect of Fluoride and Laser Application on the Prevention of Sensitivity in Bleached Teeth
To investigate the effects of desensitizing agents on the dental bleaching process, testing the hypothesis that they may prevent dental sensitivity.
- Trial name
- NCT03044171
- Testing
- Low Level Laser Therapy, 1.1% Sodium Fluoride, In-office dental bleaching
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Para
Sleep Deprivation
Improving Sleep and the Patient Experience in the Emergency Department
Background The emergency department is a chaotic place with high levels of noise and light 24 hours a day. Patients are often boarded overnight while they await tests or consultations scheduled for the morning.
- Trial name
- SOULMAN (NCT02488772)
- Testing
- Sleep mask, Standard of care, Ear Plugs
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kingston Health Sciences Centre
Sleep, Physical Activity
Determining How Indoor Lighting Affects the Brain Health of Older Adults
The goal of this randomized, cross-over, single-site trial followed by an exploratory third intervention is to understand how indoor lighting affects different measures of brain health in older adults living in independent living…
- Conditions
- Sleep, Physical Activity, Cognitive Function, Social Isolation
- Trial name
- NCT05978934
- Testing
- Static Lighting Condition (L1), Dynamic Lighting Condition (L2), Dynamic Lighting Condition (L3)
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Well Living Lab, Inc.
Colon Adenoma
BLI, NBI or White Light Colonoscopy for Proximal Colonic Adenoma
This is a prospective randomised trial comparing the proximal adenoma detection rate and miss rate by blue laser imaging (BLI), narrow band imaging or white light colonoscopy.
- Trial name
- BNW (NCT03696992)
- Testing
- Tandem colonoscopy
- Where
- Hong Kong
- Volunteers
- 884 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Telangiectasis, Spider Veins
Treatment of Lower Extremity Spider Veins With Excel V
The purpose of this study is to evaluate the safety and effectiveness of a new laser for the removal of unsightly spider veins on the legs.
- Trial name
- NCT01362192
- Testing
- 532 nm KTP Excel V Laser, manufactured by Cutera, Inc.
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cutera Inc.
Age-related Macular Degeneration, Aging
Functionally Validated Structural Endpoints for Early AMD
Delayed rod-mediated dark adaptation (RMDA), or delayed recovery of vision in a dark environment, is a functional biomarker (i.e., risk factor) for early age-related macular degeneration (AMD).
- Trial name
- ALSTAR2 (NCT04112667)
- Testing
- Normal Macular Health, Early Macular Degeneration, Young Normals
- Where
- United States
- Volunteers
- 556 people, healthy volunteers welcome
- Sponsor
- Cynthia Owsley
Bronchiolitis
Pneumacare SLP Validation in Infants and in Clinical Bronchiolitis
A cohort observational study to characterise baseline Structured Light Plethysmography (SLP) outputs in infants with bronchiolitis and examine response to treatment using the Thora3DiTM
- Trial name
- NCT02881632
- Testing
- Structured Light Plethysmography (SLP) - Pneumscan
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospitals of North Midlands NHS Trust
Age-Related Macular Degeneration
Direct Discrimination of Quantum States by the Human Eye
Age-related macular degeneration (AMD), is a debilitating eye disease that causes a loss of central vision. The prevalence of AMD increases exponentially with age and causes a significant impact through both medical expenses and…
- Trial name
- NCT05913063
- Testing
- Structured Light Imaging Microscopy
- Where
- Hong Kong
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Centre for Eye and Vision Research
Smoking, Stress
Physiological Responses in Tobacco Chippers
This study will analyze a series of biological and behavioral markers in different populations of smokers. The study groups will differ in their cigarette consumption and level of nicotine dependence.
- Trial name
- NCT01237834
- Where
- United States
- Volunteers
- 178 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Alzheimer's Disease, Mild Cognitive Impairment
A Light Exposure Tracker Designed to Improve Circadian Rhythms - Aim 1
The purpose of this research study is to investigate the relationship between reminder messages sent via text and compliance with a daily morning light intervention designed to advance the circadian clock.
- Trial name
- NCT06356337
- Testing
- Light goggles, Daily reminder test message
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai