Clinical trials: Light
Visible Light Exposure on Healthy Back Skin
Agents Effect Under Visible Light on Caucasian, Asian and Darker Skin Types
The study intends to get knowledge on pigmentation induced by visible light on Asian/Chinese skin type and darker skin type, and to evaluate and to compare with a non-treated control zone and between them, the efficacy of…
- Trial name
- VLAD (NCT07462845)
- Where
- France
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- L'Oreal
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
Choroid, Retina
Effect of Different Intensities of Repeated Low-Level Red-Light Therapy on Choroidal and Retinal Blood Flow Among Adults
The purpose of this clinical trial is to evaluate the effect of different intensities of repeated low-level red-light (RLRL) therapy on the choroidal and retinal blood flow among adults.
- Trial name
- NCT05747742
- Testing
- RLRL device
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Fibrosis, Scarring
High Fluence Light Emitting Diode-Red Light (LED-RL) in Human Skin
The goal of this study is to establish the safety of high fluence LED-RL from 160 J/cm2 up to 640 J/cm2 in healthy subjects. The hypothesis is that high fluence LED-RL phototherapy is safe in human skin.
- Conditions
- Fibrosis, Scarring, Scar, Wounds
- Trial name
- NCT02630303
- Testing
- LED-RL Phototherapy, Mock Therapy
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Jared Jagdeo, MD, MS
Myopia
Sustained Effect of Red-light Therapy for Myopia Control: A 2-Year Post-Trial Follow-up Study
To evaluate the long-term efficacy and safety of red-light therapy for myopia control over 2 years, and the potential rebound effect after treatment cessation.
- Trial name
- NCT06232161
- Testing
- Red-light therapy device, Spectacles
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
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
Light; Therapy, Complications
PhotoDynamic Therapy for Line Infection Prevention (PLIP): Pilot Study on Healthy Volunteers.
We are evaluating the effect of methylene blue and visible light activation on the microbiome of the skin.
- Trial name
- NCT01981460
- Testing
- Methylene blue and light treatment
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Erythema
Characterisation of the Time-course Response of UV-induced Erythema
Erythema is a physiological response to an insult on the skin. One such insult is ultraviolet (UV) radiation, with the resultant erythema also known as sunburn.
- Trial name
- CHERY (NCT04290273)
- Testing
- MED Test, Wearing device
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Dundee
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
Asthma
Validation of Structured Light Plethysmography: Asthma
Validation of Structured Light Plethysmography (SLP) in patients with asthma, in patients with acute asthma; an observational study in healthy participants and during patients' clinical investigation of broncho-reversibility in…
- Trial name
- SLPBD (NCT02543333)
- Where
- 2 sites in United Kingdom
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Bright Light Treatment, Emotion
Effects of a Single Dose of Bright Light Treatment on Measures of Affective Information Processing
This study aims to investigate the effects of a single session of bright light treatment (BLT) on emotional information processing in healthy volunteers.
- Conditions
- Bright Light Treatment, Emotion, Facial Expression Recognition
- Trial name
- NCT03688048
- Testing
- Bright light treatment lamp
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Healthy Aging
Vestibular Stimulation, Exercise and Light Optimization for Circadian Clock Enhancement (Velocce)
This study investigates the effects of remote interventions based on the exposure to one or more zeitgebers (i.e. adapted physical activity alone or combined with bright light exposure, or galvanic vestibular stimulation)…
- Trial name
- velocce (NCT05030389)
- Testing
- Adapted Physical Activity (APA), Bright Light Exposure (BLE), Galvanic Vestibular Stimulation (GVS)
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Université de Caen Normandie
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
Presbyopia, Near Vision
Validation of an Activities-of-daily-living Framework at Different Light Conditions
Primary objective of this study is the construction and validation of an experimental environment for the simulation of a variety of near- and intermediate-vision activities of daily living (ADLs) in different combinations of…
- Conditions
- Presbyopia, Near Vision, Reading, Daily Activities
- Trial name
- NCT05005624
- Testing
- ADL performance
- Where
- Greece
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
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
Chronic Obstructive Pulmonary Disease (COPD)
Validation of Structured Light Plethysmography - Health and Disease
Validation of Structured Light Plethysmography (SLP) in patients with conditions such as Chronic Obstructive Pulmonary Disease (COPD) that effect breathing and in healthy participants.
- Trial name
- SLP-RespDis (NCT02626468)
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd
Postoperative Pain After Cesarean Section
Efficacy and Safety of Photobiomodulation for Postoperative Pain After Cesarean Section
Postoperative pain following cesarean section remains a major clinical challenge that can impair early maternal recovery, delay ambulation, and interfere with newborn care.
- Trial name
- BIOLUZCE (NCT07863960)
- Testing
- Photobiomodulation Therapy (MitoQUAD® Belt System)
- Where
- Honduras
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Universidad Nacional Autonoma de Honduras
Healthy, Teenager
Effects of Afternoon and Evening Light on Teenagers' Melatonin Levels, Alertness, Sleepiness and Sleep
Many teenagers are familiar with this: on school days, they have to get up early; during the day, they hardly get any light exposure; in the evening, they go to bed late - and are then tired at school the next day! Around the…
- Conditions
- Healthy, Teenager, Healthy Lifestyle
- Trial name
- TeenLight (NCT05483296)
- Testing
- Dim light condition, Moderate light condition, Bright light condition
- Where
- Switzerland
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University Psychiatric Clinics Basel
Non-pressure Chronic Ulcer of Skin, Not Elsewhere Classified
To Study the Effect of Organic Light Emitting Diodes (OLED) on Cultured Fibroblast
Chronic ulcers is a common clinical problem. Diabetes or peripheral vascular occlusion is major reason leading to chronic wound healing.
- Trial name
- NCT01724710
- Where
- Taiwan
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Pulmonary Disease
Validation of Structured Light Plethysmography
Measurements of Structured Light Plethysmography (SLP) using a chest wall movement based method will be compared to those obtained by spirometry using a flow based pneumotachograph method.
- Trial name
- SLPvsPNT (NCT02598336)
- Testing
- Structured Light Plethysmography, Pneumotachograph Spirometry
- Where
- United Kingdom
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Pneumacare Ltd