Clinical trials: Light
Esophagus Cancer
Influence of Different Light Dose on the Adverse Effect of Swallowing for Esophageal Carcinoma
The purpose of this experiment is to study the alleviating effects and side effects of different laser irradiation doses on esophageal stricture of esophageal cancer in order to find the appropriate dose of light.
- Trial name
- NCT05174117
- Testing
- single irradiation, Double irradiation
- Where
- China
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital of Henan University of Science and Technology
Pupil
Color and Pupil Function
This study will examine the effects of different colors of light on pupil function and alertness.
- Trial name
- NCT02636140
- Testing
- Light
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
Newborn Jaundice
Influence of Breast Milk Smell on Newborns Bilirubin Level, Duration of Time Phototherapy and Comfort in Newborns Receiving Phototherapyv
ABSTRACT Purpose: This research was done for the purpose of determining the impact of breast milk smell administered to term infants hospitalized in neonatal intensive care units (NICU) due to physiological jaundice on their…
- Trial name
- NCT05167474
- Testing
- breast milk smell
- Where
- Turkey (Türkiye)
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Eskisehir Osmangazi University
Chronobiology Disorders, Circadian Rhythm Disorders
Light Sensitization Study
Circadian rhythm disorders are a class of sleep disorders characterized by misalignment between the timing of sleep and the timing of rhythms driven by the biological clock.
- Conditions
- Chronobiology Disorders, Circadian Rhythm Disorders, Sleep Disorders, Circadian Rhythm
- Trial name
- NCT01327040
- Testing
- light exposure
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Chronic Obstructive Pulmonary Disease
Thora-3DI™ for Evaluation of Severity of Chronic Obstructive Pulmonary Disease (COPD)
To demonstrate differences in tidal breathing patterns measured by SLP(Structured Light Plethysmography) between healthy subjects and COPD (chronic obstructive pulmonary disease).
- Trial name
- SLPCOPD (NCT03492359)
- Testing
- Thora-3Di, Body Plethysmography, Spirometry
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Landon Pediatric Foundation
Healthy Subjects
Shoulder Strength in Baseball Players
The purpose of this graduate student research study is to transform the existing concepts surrounding shoulder strength in baseball players, particularly in the context of retroverted shoulders.
- Trial name
- NCT07209423
- Testing
- Strength and Range of Motion
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Sleep, Alertness
Operational Evaluation of a Photic Countermeasure to Improve Alertness, Performance, and Mood During Nightshift Work on a 105-day Simulated Human Exploration Mission to Mars
The success of human expedition missions critically depend on the ability of the crew to be alert and maintain high levels of cognitive function while operating complex, technical equipment.
- Conditions
- Sleep, Alertness, Fatigue
- Trial name
- Mars 105 (NCT01169233)
- Testing
- Bright Light Box
- Where
- Russia
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Sleep, Mild Cognitive Impairment
Light and Sleep Fragmentation
This trial will examine scheduled exposure to bright light in the morning and afternoon as a countermeasure to sleep fragmentation in older individuals with mild cognitive impairment.
- Conditions
- Sleep, Mild Cognitive Impairment, Mood Disorders
- Trial name
- NCT06009289
- Testing
- Light therapy
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Stanford University
Circadian System
Beneficial Effects of Daytime Light Exposure and Physical Activity on the Human Circadian Clock and Sleep
This study is to examine the circadian phase-shifting effects of daylight and physical activity (primary endpoint: shift in dim-light melatonin onset (DLMO)) as well as their effects on sleep the ensuing night and analyzes how…
- Trial name
- DayCiS (NCT05513547)
- Testing
- LE protocol 1: exposure to artificial light, LE protocol 2: natural daylight, LE protocol 3: natural daylight with reduced short-wavelength proportions
- Where
- Switzerland
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Visible Light Exposure on Healthy Back Skin
Photoprotection Efficacy of Different Topical Agents Under Visible Light Exposure
To evaluate the protective effect of seven sunscreens on the pigmentation induced by visible light in comparison to an untreated control zone in healthy volunteers
- Trial name
- NCT06796153
- Testing
- Visible Light Exposure - Treated zones, Visible Light Exposure - Untreated zone
- Where
- Romania
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Cosmetique Active International
Regional Blood Flow, Ocular Physiology
Mechanisms of Choroidal Blood Flow Changes During Dark/Light Transitions
There is evidence from a variety of animal studies that choroidal blood flow is under neural control. By contrast, only little information is available from human studies.
- Trial name
- NCT00431392
- Testing
- Phenylephrine, NG-Monomethyl-L-Arginine, Propanolol
- Where
- Austria
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Localized Scleroderma
Photobiomodulation in Children With Localized Scleroderma
to evaluate the efficacy of the Polarized light therapy and Hand Grip Strengthening exercises in patients with CREST syndrome
- Trial name
- NCT06621628
- Testing
- Study Group A, Study GrouB, Study Group C
- Where
- 2 sites in Egypt
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- New Ismailia National University
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
Periorbital Disorder
Treatment of Periorbicular Hyperchromia Comparing 10% Thioglycolic Acid Peeling Versus Pulsed Intense Light
Periorbital hyperchromia (POH) or periorbital hyperpigmentation, commonly known as "dark circles", is a relatively common condition and a frequent reason for dermatological consultation.
- Trial name
- NCT03238105
- Testing
- Thioglycolic Acid, Intense Pulsed Light
- Where
- Brazil
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Hospital de Clinicas de Porto Alegre
White Spot Lesion of Tooth
Effect of Bioactive Resin Material Containing S-PRG Filler on White Spot Lesions
the effect of bioactive resin composite containing S-PRG filler will be tested as the material of choice for attachments bonded on teeth prior to the use of orthodontic clear aligners compared to the conventionally used flowable…
- Trial name
- NCT07715942
- Testing
- Bioactive resin composite containing S-PRG filler, Conventional flowable composite is used for the attachments for the clear orthodontic aligners
- Where
- Jordan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Macula Edema, Retinal Vein Occlusion
Near-Infrared Light Photobiomodulation Treatment for Retinal Vein Occlusion Macular Oedema
This pilot study aims to establish that treatment with near infrared light (NIR) reduces cystic macular oedema in patients with a retinal vein occlusion.
- Trial name
- NIRVO (NCT04847869)
- Testing
- Ellex Integre NIR laser
- Where
- Australia
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Sydney
Cardiovascular Risk Factor, Type2 Diabetes
Breaking up Sitting With a Treadmill Desk in Office Workers
Sitting for long uninterrupted periods of time can increase risk of heart disease, diabetes and early death, even if you take part in the United Kingdom government guidelines for physical activity of 21/2 hours per week of…
- Conditions
- Cardiovascular Risk Factor, Type2 Diabetes, Sedentary Lifestyle
- Trial name
- NCT03468894
- Testing
- Treadmill desk walking
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Bedfordshire
Amyloidosis; Systemic
Study of AT-02 in Healthy Volunteers and Subjects With Systemic Amyloidosis
This is a multicenter, international, three-part, Phase 1 study designed to evaluate the safety, tolerability, and PK of rising single doses of AT-02 in healthy volunteers and in subjects with systemic amyloidosis and to assess…
- Trial name
- AT02-001 (NCT05521022)
- Testing
- AT-02
- Where
- 11 sites in United States, Australia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Attralus, Inc.
Age-related Cognitive Decline
Effect of Transcranial NIR Light Upon Memory
A double-blind placebo-controlled study evaluating the effect of 1068nm NIR trans-cranial phototherapy upon the cognitive function of healthy individuals between the age of 45 years and 80 years.
- Trial name
- NCT04568057
- Testing
- NIR Transcranial phototherapy device
- Where
- United Kingdom
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Maculume Ltd.
Human Sleep and Chronobiology
Benefits and Risks of Artificial Light Exposure: Characterisation of Effects on Alertness, Sleep, Cognitive Performance, Mood and Biological Rhythms
The purpose of this project is to study the influence of light on sleep, wakefulness, EEG activity and cognitive performances.
- Trial name
- LumEnColor (NCT05232383)
- Testing
- polychromatic light, red light, green light
- Where
- France
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France