Clinical trials: Light
Effects of Blue-light Blocking Lens on Visual Functions
Effects of Blue-light Blocking Lens on Visual Functions
Working Hypothesis: The blue-light blocking lens has no effect on the contrast sensitivity, accommodative response, color vision, and subjective grading of the quality of life and vision.
- Trial name
- NCT02821403
- Testing
- clear lens with regular coating, regular coating lens with yellow tint, clear lens with blue-light blocking coating
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Non-visual Photoreception
Investigating the Effects of Evening Light Exposure on Melatonin Suppression, Alertness and Nocturnal Sleep
The timing and quality of sleep is governed by environmental and physiologic factors. Environmental factors, especially ambient lighting can impact the circadian system and alter the timing and structure of sleep.
- Trial name
- NCT01586039
- Testing
- Visible light
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Striae Distensae
Clinical Evaluation of Using Intense Pulsed Light for Improving the Appearance of Striae Distensae
This trial is intended to evaluate the effect of IPL treatment on the Striae Distensae. The study hypothesis is that the SR580 applicator will improve the appearance of Striae Distensae by at least 1 point on the Global Aesthetic…
- Trial name
- NCT02452359
- Testing
- Venus Versa
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Venus Concept
Optical Properties of Laminate Veneers
Optical Properties of Light Cured Luting Agent on Laminate Veneer
The aim of this randomized clinical trial is to evaluate the influence of luting agent, thickness and color of laminate veneers (LVs) and color of dental substrate on the optical properties of LVs.
- Trial name
- NCT02464540
- Testing
- Laminate veneers luted with light-cured resin cement, Laminate veneers luted with light-cured flowable composite
- Where
- Brazil
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Federal University of Pelotas
Depression, Adolescent - Emotional Problem
Light Therapy for Depression in Adolescent Outpatients
The goal of this placebo lead-in clinical trial was to test bright light therapy (BLT) in adolescents with depression. The main question[s] it aimed to answer were: 1.
- Trial name
- NCT05823090
- Testing
- light box (Carex DayLight Classic Model)
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Ann & Robert H Lurie Children's Hospital of Chicago
Gastroesophageal Reflux Disease
Narrow-band Imaging, Autofluorescence Imaging and Gastroesophageal Reflux Disease
Aim of this study is to compare the efficacy of narrow band imaging (NBI) and autofluorescence imaging (AFI) to distinguish subtle mucosal change related to acid reflux that is not visible in standard white light imaging (WLI)…
- Trial name
- NCT01504971
- Testing
- symptom questionaire, pH monitoring, Tri-modal imaging endoscopy
- Where
- China
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Chinese PLA General Hospital
Insomnia, Sleep
Blue Blockers at Night and Insomnia Symptoms
Under entrained conditions, humans maintain a consolidated nocturnal sleep episode that coincides with environmental darkness and endogenous melatonin secretion.
- Trial name
- NCT02698800
- Testing
- Blue blocking (BB) lenses, Clear lenses
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Columbia University
Dementia
Efficacy of 1072nm Infrared Stimulation on Executive Functioning in Dementia
This study will employ a double-blind, placebo-controlled approach to assess the effect of 1072nm infrared (IR) phototherapy on the behavioral and cognitive symptoms associated with early and mid-stage dementia.
- Trial name
- NCT01059877
- Testing
- 1072nm infrared Photobiomodulation, Photobiomodulation SIMULATED
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Quietmind Foundation
Hiv, HIV Infections
HIV HOspital TEsting: Bringing the Hidden to Light in the Hospital Setting
This study aims to evaluate the prevalence of previously undiagnosed HIV infection in the hospital setting (across various medical or surgical departments) among individuals exhibiting at least one HIV indicator condition…
- Conditions
- Hiv, HIV Infections, AIDS
- Trial name
- HIV-HOTE (NCT06282328)
- Testing
- HIV test
- Where
- Italy
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Castagna Antonella
Rosacea, Papulopustular Rosacea
Photodynamic Therapy for Papulopustular Rosacea
Rosacea is a chronic inflammatory disorder that is characterized by severe flushing (transient erythema), non-transient erythema, papules, pustules, and telangiectasia.
- Trial name
- NCT02075671
- Testing
- Aminolevulinic acid topical solution 20%, Blu-U Light Therapy
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- George Washington University
Colorectal Neoplasms, Colonic Polyps
Study of Flat Polyp Detection Using New Narrow Band Imaging (NBI) Compared to White Light Colonoscopy - The FIND FLAT Colonoscopy Study
We hypothesize that high definition narrow band imaging (NBI) colonoscopy compared to high definition white light colonoscopy will detect an increased number of nonpolypoid (flat and depressed) colorectal neoplasm.
- Conditions
- Colorectal Neoplasms, Colonic Polyps, Colorectal Cancer
- Trial name
- NBI (NCT01310699)
- Testing
- Olympus Colonoscope CFHQ190AL
- Where
- 3 sites in United States
- Volunteers
- 281 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
Photoreceptor Sensitivity Thresholds
Wearable Dark-adaptometer in Normal Adult Healthy Volunteers
Conventional dark-adaptometers are unsuitable as a mass screening tool due to their high cost, lack of easy portability, need of trained staff and a totally dark room to be operated, arbitrary testing procedures, associated time…
- Trial name
- NCT02674425
- Testing
- Dark Adaptometer
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Nerve Disorders
The Use of i/t Curve in Assessment of Phototherapy Effects
Conventional electrodiagnostic examination is useful in daily physiotherapeutic practice. Nevertheless, the subjective assessment of muscle contraction and perceived current vibrations carries the risk of error and thus is a…
- Trial name
- NCT02618642
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Rzeszow
Tobacco Use Cessation
Project Q Pilot: Smoking Cessation for Light Smokers
The purpose of this pilot study is to evaluate the feasibility, acceptability, and preliminary efficacy of an intervention to promote smoking cessation among light smokers.
- Trial name
- NCT03416621
- Testing
- Cognitive behavioral cessation counseling, Counseling and active drug intervention
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Duke University
Sports Performance, Injury Prevention
Effect of Whole-body Photobiomodulation on Muscular Performance Enhancement.
Introduction: Photobiomodulation therapy (PBMT) is based on the emission of light ranging from red to near-infrared spectra by different devices based on diode lasers or light-emitting diodes.
- Conditions
- Sports Performance, Injury Prevention, Muscle Damage, Musculoskeletal Pain
- Trial name
- WBPME (NCT05989815)
- Testing
- Muscle damage protocol training, Photobiomodulation therapy (PBMT)
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Sao Carlos
Concussion, Mild, Post-Concussion Symptoms
Bright Light Therapy for Treatment of Sleep Problems Following Mild Traumatic Brain Injury
The purpose of the research study is to understand the effectiveness of a six-week course of light exposure on cognitive functioning, mood, activity, and sleep in people that have suffered a head injury leading to a concussion.
- Conditions
- Concussion, Mild, Post-Concussion Symptoms, Sleep Problems
- Trial name
- NCT02374918
- Testing
- mTBI wavelength-1 bright light, mTBI wavelength-2 bright light, HC wavelength-1 bright light
- Where
- United States
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Onychomycosis of Toenail
Light Therapy for Onychomycosis Study
This is a pilot prospective study designed to capture information about the safety and effectiveness of the ToeFX Therapy Light.
- Trial name
- NCT05139888
- Testing
- Single wavelength light (red) only, Dual wavelength light (red/blue)
- Where
- Canada
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- ToeFX Inc.
Conscious Sedation, Deep Sedation
Effects of Two Different Sedation Regimes on Auditory Evoked Potentials and Electroencephalogram (EEG)
Sedation may be necessary in intensive care to facilitate diverse therapeutic interventions, but the use of sedative drugs may increase the risk of delirium and long-term cognitive impairment.
- Conditions
- Conscious Sedation, Deep Sedation, Critical Care
- Trial name
- NCT00641563
- Testing
- Dexmedetomidine, Midazolam, Remifentanil
- Where
- Switzerland
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Circumference Reduction
Study of Over-The-Counter Use of Low Level Laser Light Therapy for Body Contouring of the Waist, Hips and Thighs
The purpose of this study is to test the ability of the lay end user to understand the information contained in the User's Guide; to correctly identify patients who are suitably qualified to receive treatment; and to correctly…
- Trial name
- NCT02167867
- Testing
- Lay End Users, Treatment Subject Group
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Erchonia Corporation
Endoscopy
Study Comparing Blue Light Imaging (BLI) With Flexible Spectral-Imaging Color Enhancement (FICE)
The study is intended to demonstrate substantial equivalence of visualization using BLI to the predicate device, FICE, so as to support the addition of BLI as an adjunct to white light imaging in the company's video processor.
- Trial name
- BLI (NCT02755285)
- Testing
- Single Endoscopy Procedure
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fujifilm Medical Systems USA, Inc.