Clinical trials: Light
Ureter Injury
Evaluation of Lumitrace for Visualizing Ureters During Abdominopelvic Surgeries
The goal of this clinical trial is to learn if Lumitrace and the KARL STORZ POWER LED BLUE System can be used for anatomic visualization of the ureters in participants undergoing laparoscopic abdominopelvic surgery.
- Trial name
- NCT07080008
- Testing
- Lumitrace, KARL STORZ POWER LED BLUE System
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- MediBeacon
Sleep Quality
Filtered Eyewear to Prevent Light-induced Melatonin Suppression - Aim 1
The aim of this study is to determine the relative effectiveness of monocular and binocular light exposures, with and without selective blue-blocking filtering, on nocturnal melatonin suppression, subjective sleepiness, and…
- Trial name
- NCT06310135
- Testing
- Filtered Eyewear, Unfiltered Eyewear, No Filters
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
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
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
25-hydroxyvitamin D Concentration (Vitamin D Status)
D-Light Intervention
Vitamin D insufficiency has become a global concern, with low vitamin D status associated with bone disorders, cardiovascular disease and certain cancers.
- Trial name
- D-Light (NCT02495584)
- Testing
- Fortified milk (10µg vitamin D3), 10µg vitamin D3 supplement
- Where
- United Kingdom
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- University of Ulster
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
Myopia
A Real-world Study of 650nm Low-intensity Single-wavelength Red Light for Children and Adolescents
To evaluate the efficacy and safety of 650nm low-level red-light irradiation for myopia control and prevention in children under less restrictive conditions than randomized controlled trials.
- Trial name
- NCT05832723
- Testing
- 650 nm low-level red-light
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren 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
Healthy
Dynamic Light Scattering to Study Crystalline Proteins in Young Normal Lenses
This study will use a method called dynamic light scattering (DLS) to study the lens of the eye in young normal subjects. The DLS device uses a very dim laser light to study the lens of the eye.
- Trial name
- NCT00304967
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Electroencephalography
EEG Analysis During Light Propofol Sedation
The hypothesis of this study is that propofol sedation does not affect the detectability of a movement intention in the EEG motor cortex signal.
- Trial name
- MOTANA (NCT03362775)
- Testing
- Propofol
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Systemic Amyloidosis
A Phase 1 Study of 99mTc-p5+14 in Healthy Volunteers and Patients With AL or ATTR Systemic Amyloidosis
This study will investigate 99mTc-p5+14, an amyloid-reactive synthetic peptide, p5+14, radiolabeled with technetium-99m, as a radiotracer for detecting paamyloid deposits in patients with AL or ATTR-associated systemic…
- Trial name
- NCT05951816
- Testing
- 99mTc-p5+14 is an amyloid reactive peptide labeled with technetium-99m., 99mTc-Pyrophosphate
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Tennessee Graduate School of Medicine
High Myopia, Axial Length
Repeated Low-Level Red-Light Therapy Shortens Axial Length
The purpose of this clinical trial is to investigate the incidence and magnitude of axial length shortening after repeated low-level red-light therapy in high myopia children and teenagers.
- Conditions
- High Myopia, Axial Length, Eye Diseases
- Trial name
- NCT05768152
- Testing
- RLRL
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Choroid Diseases
Choroid In Coronary Artery Disease
Purpose: To investigate any relationship between choroid thickness (CTh) and coronary artery disease (CAD), particularly in its earlier stages before clinically evident.
- Trial name
- NCT06442176
- Testing
- OCT
- Where
- Turkey (Türkiye)
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Phototherapy, Low-level Laser Therapy
Local and Systemic Effects of Photobiomodulation Therapy on Muscle Performance and Recovery Post-exercise.
Recent studies with photobiomodulation therapy have shown positive results in delaying skeletal muscle fatigue and improving performance through levels of biochemical markers and variables related to exercise when this therapy…
- Conditions
- Phototherapy, Low-level Laser Therapy, Systemic
- Trial name
- NCT03695458
- Testing
- Phototherapy
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
Tooth Discoloration, Dentin Sensitivity
Efficacy and Safety Assessment of Experimental Bleaching Agents
Tooth bleaching is widely used to treat the colors of teeth. This study compares the efficiency of two experimental bleaching gels, with and without nanoparticles, and with and without light activation versus two commercial…
- Conditions
- Tooth Discoloration, Dentin Sensitivity, Patient Satisfaction
- Trial name
- NCT06802614
- Testing
- BLEACHING GEL A, 5% NF_TiO2, BLEACHING GEL B
- Where
- United States
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
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
Dry Eye, Meibomian Gland Dysfunction (Disorder)
Effect of Low-Level Light Therapy on Ocular Surface Parameters in Patients Undergoing Femto-Lasik Surgery
This study evaluates the role of perioperative low-level light therapy (LLLT) in reducing dry eye disease (DED) symptoms after femtosecond laser-assisted in situ keratomileusis (Femto-LASIK).
- Conditions
- Dry Eye, Meibomian Gland Dysfunction (Disorder), Ocular Surface Disease
- Trial name
- LLLT-Lasik (NCT07181668)
- Testing
- Low-Level Light Therapy
- Where
- Romania
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Grigore T. Popa University of Medicine and Pharmacy
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
Phototherapy
Validation of a New Hand Held Light Emitting Diode Device for the Determination of Minimal Erythema Dose (MED)
The purpose of this study is to validate a new hand held light emitting diode (LED) device for the measurement of minimal erythema dose (MED) for narrow band Ultraviolet B (UVB) radiation by comparing to the traditional approach…
- Trial name
- NCT01818154
- Testing
- LED phototherapy, narrowband UVB phototherapy
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Henry Ford Health System
Schizophrenia
Novel Candidate Genes for Treatment Response to Antipsychotics in Schizophrenia
Schizophrenia is a severe and chronic mental disorder. The lifetime risk of schizophrenia is around 1%. Its course is chronic and frequently disabling. The keystone of schizophrenia treatment is antipsychotic medications.
- Trial name
- GEXANT (NCT02205437)
- Where
- Spain
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Fundación Marques de Valdecilla