Clinical trials: Light, open to volunteers
Major Depressive Episode
Signature Response to Light Therapy in Unipolar and Bipolar Major Depressive Episode (MDE)
Major depressive episode (MDE) are severe and common psychiatric disorders that affect up to 20% of the general population. MDE cause a decrease in psychosocial functioning, quality of life, and is associated with a high rate of…
- Trial name
- SoLuRep (NCT07462637)
- Testing
- Light therapy
- Where
- France
- Volunteers
- 173 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Skin
See the Impact Beem's Blue Light Therapy Has on Your Skin Health!
Participants will experience a rejuvenating twice-weekly light therapy journey that blends the power of blue, red, and infrared light.
- Trial name
- NCT07298382
- Testing
- Blue Light Therapy
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Efforia, Inc
Presbyopia
Luminous Efficiency Function V(λ)' of Patients That Underwent Pseudophakic Presbyopic Corrections With EDOF IOLs
Primary objective of this study is to introduce a modified luminous efficiency function that addresses the distinct total eye light transmittance of patients who underwent pseudophakic presbyopic correction with extended-depth of…
- Trial name
- V(λ)'_EDOF (NCT07077967)
- Testing
- Phacoemulsification with EDOF IOLs
- Where
- Greece
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Healthy Tissue, Muscles
Deep Optical Imaging of Tissue (DOIT)
In medical imaging, X-ray-based methods are widely used, which means that patients are exposed to ionizing radiation. In addition, invasive tissue samples often need to be taken with biopsy needles to, for example, safely…
- Conditions
- Healthy Tissue, Muscles, Extremity, Breast
- Trial name
- DOIT (NCT07754500)
- Testing
- Mk1
- Where
- Sweden
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Lund University
Amplitude of Pseudoaccommodation
Pseudoaccommodation of the Light Adjustable Lens: A Comparitive Study
Cataract surgery involves the removal of a cloudy natural lens, followed by the implantation of an artificial lens. The choice of lens implant helps determine what the vision will be like after surgery.
- Trial name
- NCT07176429
- Testing
- Measurement of refractive error and amplitude of pseudoaccommodation
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Helm Vision Group
Myopia, Light; Therapy, Complications
Optimizing Light Exposure for Myopia Prevention and Control (LightSPAN)
The goal of this clinical trial is to evaluate whether the optimization of daily exposure to light in primary school children can lead to better myopia prevention and control.
- Conditions
- Myopia, Light; Therapy, Complications, Myopia Progression, Short-Sighted
- Trial name
- LightSPAN (NCT06631339)
- Testing
- Light Intervention, Digital Intervention, Control Group
- Where
- 5 sites in Singapore
- Volunteers
- 396 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Photophobia
Comparison Between Spectacles and Contact Lenses
Many people suffer from migraine headaches, some more so than others and a common trigger/complaint is light sensitivity, or photophobia1.
- Trial name
- NCT06905912
- Testing
- Biomedics55 Premier contact lenses, and Altius Tinted Contact Lenses
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
Sleep, Circadian Rhythm
Morning Bright Light Therapy and Daytime Functioning in University Students
This study tests whether a week of morning bright light therapy changes how well healthy young adults sleep and how alert, positive, and mentally sharp they feel during the day.
- Conditions
- Sleep, Circadian Rhythm, Daytime Sleepiness, Mood
- Trial name
- BLIGHT (NCT07685262)
- Testing
- Bright light therapy (10,000 lux light box)
- Where
- Hong Kong
- Volunteers
- 153 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Alzheimer Disease, Family Members
Gamma Light and Sound Stimulation to Prevent Dementia in Cognitively Normal People at Risk for Alzheimer's Disease
Alzheimer's disease (AD) is characterized by significant memory loss, toxic protein deposits (amyloid and tau) in the brain, and changes in the gamma frequency band on EEG.
- Trial name
- NCT05776641
- Testing
- GENUS
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Adenoma Colon
White Light vs Narrow Band Imagingin the Diagnosis of Right Sided Colonic Polyps in Asymptomatic Subjects Undergoing Screening Colonoscopy
A randomized controlled crossover study to determine if narrow band imaging or white light endoscopy is superior in detecting right colonic polyps in average risk subjects undergoing screening colonoscopy
- Trial name
- WLEvsB-NBI (NCT05935124)
- Testing
- WLE first, then B-NBI
- Where
- Australia
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Western Sydney Local Health District
Hypoxic-Ischemic Encephalopathy
A Study of a Blood Marker in Newborns With Brain Injury Caused by Lack of Oxygen at Birth
Perinatal asphyxia is a significant health problem with an incidence of 1 to 8 per 1,000 live births and can lead to serious morbidity and mortality during the neonatal period.
- Trial name
- NCT07292220
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mustafa Gürkan
Rosacea
Evaluating Use of Topical Imipramine and Amitriptyline in Reducing Ultraviolet B Light-Induced Redness in Patients With Rosacea
Rosacea is a common skin condition associated with easy blushing and red face; many patients with rosacea react to sunlight with increased redness.
- Trial name
- NCT06312813
- Testing
- Imipramine, Amitriptyline, Vehicle
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Wright State University
Hypotension, Spinal Anesthesia
Pupillary Light Reflex to Predict Post-Spinal Hypotension in Elective Cesarean Delivery
This prospective observational cohort study investigates whether pre-anesthetic pupillary light reflex (PLR) parameters can predict the risk of hypotension following spinal anesthesia in women undergoing elective cesarean…
- Conditions
- Hypotension, Spinal Anesthesia, Cesarean Delivery
- Trial name
- NCT07678723
- Testing
- Not applicable- observational study
- Where
- Egypt
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Physical Inactivity, Walking
Daily Goal Setting to Increase Everyday Physical Activity and Promote Cognitive Health in Midlife
The purpose of this study is to determine whether interaction with an adaptive Fitbit-based goal setting application can increase levels of everyday light intensity physical activity in middle-aged adults.
- Conditions
- Physical Inactivity, Walking, Cognitive Health, Self-regulation
- Trial name
- NCT05826379
- Testing
- Adaptive Daily Goal Setting, Interim Goal Prompt
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Exposure to Man-made Visible Light
Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 6 of 7)
NOTE: This is the sixth of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674.
- Trial name
- NCT02919163
- Testing
- Visible light exposure
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Bern
Toothbrushing, Gingivitis
Effectiveness of Dual Light Electric Toothbrush vs. Manual Toothbrush in Orthodontic Patients Undergoing Oral Surgery
The study is a randomized clinical trial to compare the effectiveness of a dual light ultrasonic toothbrush on periodontal health in orthodontic patients undergoing surgery.
- Conditions
- Toothbrushing, Gingivitis, Cleft Lip and Palate
- Trial name
- NCT06122805
- Testing
- Toothbrush
- Where
- United States
- Volunteers
- 198 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Los Angeles
Light Color Temperature
Effect of Reduced Light Color Temperature on Postpartum Mothers' Well-being, Breastfeeding Motivation, and Psychological Well-being After Cesarean Section
The aim of this study is to determine the effects of reduced light color temperature on postpartum mothers' well-being, breastfeeding motivation, and psychological well-being after cesarean section.
- Trial name
- NCT07104045
- Testing
- Reduced light color temperature
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Emine Yıldırım
Photodamaged Skin
Study Comparing Two Serums With Intense Pulsed Light for the Treatment of Moderate to Severe Photodamage and Crepiness on the Forearms
The primary objective is to compare Re-Q Pro-Longevity serum versus vehicle serum combined with Intense Pulsed Laser for the treatment of moderate to severe photodamage and crepiness on the dorsal forearms.
- Trial name
- NCT07686198
- Testing
- Right Arm treated with Active Re-Q Pro-Longevity Serum and Intense Pulsed Light Therapy, Left Arm treated with vehicle serum and Intense Pulsed Light Therapy
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Goldman, Butterwick, Fitzpatrick and Groff
Dental Caries (Diagnosis), Diagnostic Imaging
Diagnostic Performance and Children's Acceptance of Near-Infrared Light Transillumination and Bitewing Radiographs for Detecting Proximal Cavitation in Primary Molars of Patients Aged 4 to 10 Years
The goal of this observational study is to compare the diagnostic performance of three detection methods for approximal carious lesions in primary molars among pediatric patients aged 4-10 years.
- Conditions
- Dental Caries (Diagnosis), Diagnostic Imaging, Optical Imaging, Radiographic Image Interpretation, Computer-Assisted
- Trial name
- NILT (NCT07041164)
- Testing
- Bitewing radiograph, Near-infrared light transillumination
- Where
- 2 sites in Thailand
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Sawanya Prutthithaworn
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