Clinical trials: Color
Alcohol Use Disorder
Alcohol Use Disorder and Cannabidiol
This is a double-blind, placebo-controlled, parallel group study designed to assess the efficacy of full spectrum CBD and broad spectrum CBD, compared to a placebo control (PC), to reduce drinking in participants with alcohol use…
- Trial name
- NCT05613608
- Testing
- Cannabidiol
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- University of Colorado, Denver
Iris Diseases
Iris Color and Day-Night Changes in the Sympathovagal Ratio
Iris melanocytes are innervated by parasympathetic and sympathetic nerve endings. Light affects autonomic nervous system activity via the retino-hypothalamic pathway.
- Trial name
- NCT05759715
- Testing
- Iris Color Measurement , LF/HF Measurement
- Volunteers
- 621 people
- Sponsor
- Ankara Ataturk Sanatorium Training and Research Hospital
Parkinson Disease, Healthy Adult Participants
Brain Dopamine Biomarker
This study is being conducted at the Morsani College of Medicine to determine whether signals recorded from the eyes and brain can be used as a noninvasive way to monitor dopamine function.
- Trial name
- B3-4D (NCT07748715)
- Testing
- Levadopa/Carbidopa eyedrops, Levodopa/Carbidopa (Sinemet)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Photodamage
Laser 360iQ: Optimal Light-laser Combination Therapy
To assess the safety and efficacy of light-laser combination therapy for the improvement of skin color, tone, texture and laxity
- Trial name
- NCT04519723
- Testing
- Assess the safety and efficacy of light-laser therapy using the Harmony XL and Dye-VL (500-600nm), Q-Switched 1064nm, Er:YAG 2940nm modules in combination .
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Alma Lasers Inc.
Pleural Thickening
Role of B Mode and Color Doppler Sonography in Differentiation Between Pleural Neoplasm and Inflammatory Pleural Thickening in Correlation With CT Findings
pleura is a serous membrane, it consist of parietal pleura and visceral pleura. pleural thickening is any form of thickening involving the pleura more than 3 mm.
- Trial name
- NCT05701462
- Testing
- biopsy under sonographic gidance
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Sohag University
Myopia
Evaluation of the Performance of AIR OPTIX® COLORS
The purpose of this study was to assess the ocular response to and performance of the cosmetically printed silicone hydrogel contact lens AIR OPTIX® COLORS compared to FRESHLOOK® COLORBLENDS.
- Trial name
- NCT01338402
- Testing
- Lotrafilcon B contact lens, Lotrafilcon B contact lens with color, Phemfilcon A contact lens with color
- Where
- Canada
- Volunteers
- 47 people
- Sponsor
- CIBA VISION
Natural Optical Properties
Evaluation of Patient Satisfaction and Color Difference Between Natural Teeth and Monolithic All-ceramic Crowns Fabricated From Celtra Press Treated With Different Surface Finishing Protocols
investigating the effect of glazing and polishing on the color difference between natural teeth and all ceramic crowns made from celtra press (zirconia reinforced lithium silicate ceramic).
- Trial name
- NCT03813628
- Testing
- polished celtra press full coverage crown, glazed celtra press full coverage crowns, contralateral natural teeth
- Volunteers
- 10 people
- Sponsor
- Cairo University
Tooth Hypersensitivity
Hypersensitivity and Color Changes of Bleached Teeth Using Different Remineralizing Agents
The aim of this in vivo study is to evaluate the post-bleaching enamel hypersensitivity and the possible color changes following the application of arginine and nano-hydroxyapatite remineralizing solutions after enamel bleaching…
- Trial name
- NCT04875000
- Testing
- Remineralizing agent I application, Remineralizing agent II application, Remineralizing agent III application
- Where
- Egypt
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Research Centre, Egypt
Healthy Volunteer, Retinal Disease
Color Vision as a Measure for Inherited Retinal Diseases
Background: The purpose of this study is to find out whether color vision measured with the Cambridge Color Test is a good way to examine the severity of inherited retinal diseases (IRDs).
- Conditions
- Healthy Volunteer, Retinal Disease, Inherited Retinal Degeneration
- Trial name
- NCT01878032
- Where
- United States
- Volunteers
- 166 people
- Sponsor
- National Eye Institute (NEI)
Dry Eye, Eye Strain
Effects of Gunnar Computer Glasses on Viewing Comfort and Performance
The proposed study aims to test if Gunnar computer glasses provide any advantages, in comparison to no glasses, on the following aspects in computer-related office work: Any enhancement on the visual performance of the basic…
- Conditions
- Dry Eye, Eye Strain, Visual Acuity, Color Perception
- Trial name
- NCT02925884
- Testing
- Gunnar OTC Glasses
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Pacific University
Skin Diseases, Healthy Skin
An Observational Study to Assess Objective Skin Pigmentation Variation.
Accurate assessment of skin pigmentation is essential in dermatology for properly diagnosing and managing a wide range of skin conditions.
- Trial name
- SKIN-IMAGING (NCT07091604)
- Where
- Netherlands
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Leiden University Medical Center
Hypoxemia
SpO2 Accuracy in Children
Evaluation of SpO2 Accuracy in Children with Various Skin Color
- Trial name
- NCT07168798
- Testing
- Pulse oximeter
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Nihon Kohden
Tooth Color
Evaluation of the Whitening Effect in Subjects After Professional Tooth Cleaning Procedure
The goal of this study is to learn if the toothpaste works to maintain effect of the professional tooth cleaning in adults. It will also learn about the safety of the product.
- Trial name
- NCT07438990
- Testing
- Whitening toothpaste, Regular toothpaste
- Where
- Spain
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Lacer S.A.
Removal of Colors Tattoo (Multiple Colors)
A Prospective, Open Label, Non Randomized, Clinical Study to Evaluate the Safety and Effectiveness of the Eraser Tattoo Removal Device
Name of Device: Eraser Tattoo Removal Device Device Description: The Eraser device is a mechanical device, resembling tattoo devices but with an innovative mechanism for dripping treatment fluid over reciprocating needles and…
- Trial name
- NCT00904631
- Testing
- Eraser device+ salicylic acid (5%)
- Where
- Israel
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Assaf-Harofeh Medical Center
Arteriovenous Fistula
Color Doppler Ultrasonography in Prediction of Arteriovenous Fistula Maturation in Hemodialysis Patients
The transplant is the definitive treatment of renal insufficiency, in our days. While waiting for it, the arteriovenous fistula surgery is standard procedure.
- Trial name
- NCT03171701
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assiut University
Myopia
Clinical Evaluation of the Safety and Efficacy of Yung Sheng 55 % Color Contact Lens
This was a single group, open-label clinical study to assess the safety and efficacy of Yung Sheng 55% Color Contact Lens for vision correction.
- Trial name
- NCT06128486
- Testing
- Soft Contact Lens
- Volunteers
- 62 people
- Sponsor
- Yung Sheng Optical Co., Ltd.
Brain Death, Liver Steatosis
"LiverColor": Machine Learning in Liver Photographs
The main goal of this project is to create a machine learning model in order to quantify liver steatosis in liver donor faster, more objective and reliable than histological analysis and surgeons point-of-view.
- Trial name
- NCT05202886
- Testing
- Liver from deceased donors
- Where
- Spain
- Volunteers
- 246 people
- Sponsor
- Hospital Vall d'Hebron
Diabete Mellitus, İnsulin Self-management
The Effect Of Color Rotation Technique Training On İnsülin Self-management İn Diabetic Patients.
Diabetes mellitus (DM) is a chronic disease characterized by impaired carbohydrate, protein, and lipid metabolism, resulting from a deficiency of insulin hormone secreted by the pancreas and/or the body's inability to utilize it…
- Trial name
- NCT07501988
- Testing
- Education
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Hyperplastic Polyps, Adenomatous Polyps
Resect and Discard Extension to FICE of NIcE Classification
The purpose of this prospective, non-interventional study is to validate the Narrow Band Imaging International Colorectal Endoscopic (NICE) classification for differentiating subcentimetric hyperplastic and adenomatous polyps by…
- Trial name
- FICE;NICE (NCT02263144)
- Testing
- virtual chromo-endoscopy using FICE Fujifilm Technology
- Where
- 7 sites in Belgium, France and 3 more
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Istituto Clinico Humanitas
Gastritis, Helicobacter Pylori Associated Gastritis
Linked Color Imaging to Differentiate H. Pylori Associated Gastritis and Gastric Atrophy
H. pylori infection plays a very important role in gastric carcinogenesis, progressing from chronic gastritis through atrophic gastritis, intestinal metaplasia, dysplasia and finally cancer. It is difficult to diagnose H.
- Conditions
- Gastritis, Helicobacter Pylori Associated Gastritis, Atrophic Gastritis
- Trial name
- NCT02724280
- Testing
- WLE and then LCI, LCI and then WLE
- Where
- China
- Volunteers
- 253 people
- Sponsor
- Affiliated Hospital to Academy of Military Medical Sciences