Clinical trials: Color
CBD Stone
Re-use of Ambu aScope During Exploration of the Common Bile Duct for Stones in Low-Resource Settings- a Retrospective Study
Various methods confirm stone clearance during surgical exploration of bile duct, but choledochoscopy is considered the most effective. However, choledochoscopes are expensive and often unavailable in low-resource settings.
- Trial name
- NCT07285447
- Testing
- Ambu aScope for visualization of biliary tree during exploration of CBD for stone
- Where
- Nepal
- Volunteers
- 75 people
- Sponsor
- B.P. Koirala Institute of Health Sciences
Breast Cancer, Interventional Radiology
Using Color Doppler US Artifact to Identify Tumor Markers
Before neoadjuvant chemotherapy (NACT) in cases of locally advanced breast cancer, malignant masses in the breast and biopsy-proven tumor involvement axillary lymph nodes are marked with metallic markers.
- Conditions
- Breast Cancer, Interventional Radiology, Doppler Ultrasound
- Trial name
- NCT06166173
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Istanbul Medeniyet University
Kidney Failure, Arteriovenous Shunt
Maximizing Native Arteriovenous Fistulae Rates.
The purpose of our study is to compare physical examination alone to color Doppler ultrasonography (CDUS) vascular mapping and physical examination in terms of outcomes of vascular access and long-term patency.
- Conditions
- Kidney Failure, Arteriovenous Shunt, Hemodialysis
- Trial name
- NCT02705417
- Testing
- preoperative color Doppler ultrasonographic vascular mapping, physical examination, medical history
- Volunteers
- 136 people
- Sponsor
- Medifil AE
Light, Stress
Effect of Light Color Temperature Applied During Breastfeeding on Mother's Stress, Anxiety, Peace and Breastfeeding Motivation
Breastfeeding is an important condition for the health of the mother and the baby, which is the most difficult for mothers after birth.
- Conditions
- Light, Stress, Anxiety
- Trial name
- NCT06736886
- Testing
- Light application
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Osmaniye Korkut Ata University
Surgery
Pulse Oximetry Accuracy by Skin Color
This is a prospective, non-randomized, non-blinded comparative study to evaluate the accuracy of pulse oximetry compared to co-oximetry in dark-skinned (Black) compared to lighter-skinned (White) children undergoing anesthesia…
- Trial name
- NCT05692453
- Testing
- Arterial blood gas with co-oximetry
- Where
- United States
- Sponsor
- Brittany Willer
Molar Incisor Hypomineralisation, Enamel Breakdown
Correlation Between Colour of Defect and Enamel Breakdown in First Permanent Molars With Molar Incisor Hypomineralisation (MIH)
Cheese molars (MIH) can be recognized not only by their colour abnormalities but also by the enamel breakdown. Clinical management of those teeth may become challenging by the chronic hypersensitivity, that makes various steps…
- Conditions
- Molar Incisor Hypomineralisation, Enamel Breakdown, Colour of Defect
- Trial name
- MIH (NCT07727200)
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Basel
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
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
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)
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
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
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
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
Pediatric Tumor
Role of Gray Scale and Color Doppler Ultrasound in Diagnosis of Pediatric Neck Masses
Our aim is to assess the role of the gray scale and color Doppler ultrasound in diagnosis of the different pediatric neck masses .
- Trial name
- NCT04856020
- Volunteers
- 96 people
- Sponsor
- Assiut University
Early Childhood Caries (ECC)
Aesthetic and Functional Evaluation of a Universal One-Shade Composite in Primary Maxillary Incisors
Use of tooth-coloured fillings is an essential part of Pediatric dentistry as most patients desire fillings which look like natural teeth.
- Trial name
- NCT07716033
- Testing
- Tokuyama Palfique Omnichroma composite restoration, 3M Filtek Z350 composite restoration
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Goa Dental College
Acne
Efficacy & Safety of Clindamycin and Tretinoin in Acne
The purpose of this study is ascertain the efficacy and safety of Clindamycin Phosphate 1.2% and Tretinoin 0.025% in the treatment of Acne and Post Inflammatory Hyperpigmentation in patients with skin of color.
- Trial name
- NCT01111994
- Testing
- Clindamycin Phosphate 1.2% and Tretinoin 0.025% Gel
- Where
- 2 sites in United States
- Volunteers
- 30 people
- Sponsor
- Callender Center for Clinical Research
Head Injury, Intracerebral Hemorrhage
The Prediction of Intracranial Pressure and Clinical Outcome by Transcranial Doppler in Neurocritical Patients
The purpose of this study is to use transcranial Doppler (TCD) to predict intracranial pressure (ICP) and clinical outcome of neurocritical patients.
- Conditions
- Head Injury, Intracerebral Hemorrhage, Ischemic Stroke, Subarachnoid Hemorrhage
- Trial name
- NCT00886054
- Where
- Taiwan
- Volunteers
- 30 people
- Sponsor
- National Taiwan University Hospital
Postoperative Sensitivity, Anatomic Form of the Restoration
Comparative Evaluation of Clinical Performance of Bulk-Fill Composites With Incrementally Layered Conventional Composites
This study aimed to compare the clinical effectiveness of bulk-fill composites with conventionally layered incremental composites in Class I cavities using modified USPHS criteria.
- Conditions
- Postoperative Sensitivity, Anatomic Form of the Restoration, Colour Match of the Restoration, Marginal Discolouration
- Trial name
- ILCVSBFC (NCT07078110)
- Testing
- Material: Filtek Z250 (3M ESPE, USA), Material: Filtek Bulk-Fill Restorative (FBF), 3M ESPE, USA
- Where
- Pakistan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Fatima Jinnah Dental College
Disabilities, Visual Impairment and Blindness (Excl Colour Blindness)
Study Protocol: The Jerte Valley as an Inclusive Outdoor Classroom. Smart and Active Tourism.
To promote the inclusion of people with disabilities, an outdoor intervention will be conducted involving physical activities with adolescents with and without disabilities.
- Trial name
- NCT07609459
- Testing
- Rafting, canoeing and kayaking, Divulgation
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Universidad de Extremadura
Hemodialysis, Color Therapy
The Effect of Color Therapy on Depression, Stress, Anxiety and Quality of Life in Hemodialysis Patients: A Randomized Controlled Study
This study was conducted to examine the effect of color therapy on depression, stress, anxiety and quality of life in hemodialysis patients.
- Trial name
- Color Therapy (NCT06879808)
- Testing
- Color therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Erzincan Binali Yildirim Universitesi