Clinical trials: Color
Esthetics, Dental
Evaluation of Dental Bleaching In-office
We aim to evaluate colorimetric changes after supervised whitening treatment, using Violet LED light associated or not with carbamide peroxide 35% gel.
- Trial name
- Bleaching (NCT03192852)
- Testing
- dental bleaching, Gingivoplasty
- Where
- Brazil
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
Color; Change Teeth, Posteruptive
Clinical Effects of Dehydration on Tooth Colour
Dental restorations should mimic sound tooth structures in terms of color and optical properties especially in the anterior region.
- Trial name
- NCT04290598
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Visual Snow Syndrome, Color Blindness
Study of Visual Perception Phenomena: Phosphene Mapping Induced by TMS and Its Relationship With Eye Movements
The purpose of this basic science study is to better understand human visual perception. Phosphenes are flashes of light that can be induced using Transcranial Magnetic Stimulation (TMS).
- Conditions
- Visual Snow Syndrome, Color Blindness, Healthy Volunteer
- Trial name
- NCT07110493
- Testing
- Transcranial Magnetic Stimulation (TMS), Electroencephalography (EEG), Eye-Tracking
- Where
- Russia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Skolkovo Institute of Science and Technology
Dental Caries, Tooth Discoloration
Color Stability of Darkly Discolored Arrested Caries Lesions Following Bleaching Treatment
This observational study evaluated the color stability of darkly discolored arrested caries lesions (DDACL) on anterior teeth following in-office bleaching with 40% hydrogen peroxide, in comparison with healthy teeth.
- Trial name
- NCT07886255
- Where
- Turkey (Türkiye)
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Selcuk University
Primary Tauopathies, Corticobasal Degeneration Syndrome
BIIB092 in Primary Tauopathies: CBS, nfvPPA, sMAPT, and TES
A Phase 1b, Randomized, Double-Blind, Placebo-Controlled, Parallel Cohort Safety, Tolerability, Pharmacokinetics, Pharmacodynamics and Preliminary Efficacy Study of Intravenously Infused BIIB092 in Patients with Four Different…
- Conditions
- Primary Tauopathies, Corticobasal Degeneration Syndrome, Frontotemporal Lobar Degeneration With Tau Inclusions, MAPT Mutation Carriers, Symptomatic
- Trial name
- TauBasket (NCT03658135)
- Testing
- BIIB092
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of California, San Francisco
Education
The SMARTY Trial: Evaluating the Effects of Colour of Candy on Perceptions of Taste
The purpose of this trial is to determine if the colour of sweets (candy) effects taste.
- Trial name
- SMARTY (NCT04175015)
- Testing
- Smartie© sweet/candy
- Where
- Ireland
- Volunteers
- healthy volunteers welcome
- Sponsor
- National University of Ireland, Galway, Ireland
Neonatal Jaundice
Reliability of Transcutaneous Bilirubin Measurement According to the Skin Colour of Newborns
Neonatal jaundice is a physiological process characterized by a yellow coloration of the skin and mucous membranes linked to an increase in a pigment: bilirubin.
- Trial name
- BILICOLOR (NCT07315126)
- Testing
- Skin color assessment
- Where
- France
- Volunteers
- 510 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Type-2 Diabetes, Diabetic Retinopathy
Phenotypes of Nonproliferative Diabetic Retinopathy in DM 2 Patients Identified by OCT, CFP, RLA and mfERG (DIAMARKER)
To characterise phenotypes of Non Proliferative Diabetic Retinopathy (NPDR) progression using multimodal testing/imaging procedures.
- Trial name
- NCT01440660
- Where
- Portugal
- Volunteers
- 20 people
- Sponsor
- Association for Innovation and Biomedical Research on Light and Image
Diabetic Retinopathy, Retinal Vein Occlusion
Computer Aided Diagnosis of Multiple Eye Fundus Diseases From Color Fundus Photograph
Blindness can be caused by many ocular diseases, such as diabetic retinopathy, retinal vein occlusion, age-related macular degeneration, pathologic myopia and glaucoma.
- Conditions
- Diabetic Retinopathy, Retinal Vein Occlusion, Retinal Artery Occlusion, Central Serous Chorioretinopathy
- Trial name
- NCT04723160
- Testing
- Software assisted imaging diagnosis
- Where
- 5 sites in China
- Volunteers
- 748 people, healthy volunteers welcome
- Sponsor
- Visionary Intelligence Ltd.
Achromatopsia
Safety and Efficacy Trial of AAV Gene Therapy in Patients With CNGB3 Achromatopsia (A Clarity Clinical Trial)
This will be a non-randomized, open-label, Phase 1/2 study of the safety and efficacy of AGTC-401 administered to one eye by subretinal injection in individuals with achromatopsia caused by mutations in the CNGB3 gene.
- Trial name
- NCT02599922
- Testing
- rAAV2tYF-PR1.7-hCNGB3
- Where
- 8 sites in United States
- Volunteers
- 32 people
- Sponsor
- Beacon Therapeutics
Tooth Discoloration
The Effect of Staining Beverage on Color Alteration During In-office Tooth Bleaching
This double-blind randomized controlled clinical trial aimed to investigate the effect of staining beverage on color alteration of in-office tooth bleaching procedures.
- Trial name
- NCT03933527
- Testing
- making staining beverage rinse during in-office tooth bleaching
- Where
- China
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Fujian Medical University
Congenital Heart Defects
Use of Color Doppler in Routine Examination of Fetal Heart in Second Trimester
To evaluate the percentage of severe heart defect diagnosed with the use of color Doppler at a routine fetal scan in the second trimester of pregnancy
- Trial name
- NCT01201486
- Where
- Norway
- Volunteers
- 6,781 people
- Sponsor
- Helse Stavanger HF
Healthy
Contribution of a* to Dental Bleaching After Combined Dental Bleaching
A prospective, non-randomized, single-arm interventional clinical study with a before-after design will be conducted to assess changes in CIELab color parameters and the Whiteness Index for Dentistry (WID) following a…
- Trial name
- NCT07560761
- Testing
- Combined Dental Bleaching
- Where
- Spain
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Valencia
Psoriasis
An AI-Based Erythema Measurement System for Psoriasis Lesions
Psoriasis is a common chronic inflammatory skin disease. Disease severity is commonly assessed using the Psoriasis Area and Severity Index (PASI), in which erythema is graded subjectively on a 0-4 scale.
- Trial name
- NCT07494396
- Testing
- No additional drugs(control Group)
- Where
- Thailand
- Volunteers
- 50 people
- Sponsor
- Khon Kaen University
HIV Prevention
Optimizing PrEP Utilization Among Alcohol and Other Drug (AOD) Using Women of Color
Nationally, the HIV case rate among black/ African American (AA) women is nearly 20 times higher than in white women; for Hispanic/Latino women it is 4.5 times higher.
- Trial name
- NCT04018651
- Testing
- PrEP Master Adherence Intervention
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Florida International University
Papillary Thyroid Carcinoma
Multimodal Deep Learning for Lymph Node Metastasis in Thyroid Cancer
Papillary thyroid carcinoma (PTC) is the most common endocrine malignancy in clinical practice, accounting for approximately 85% of all thyroid malignancies.
- Trial name
- NCT07299318
- Testing
- not intervention
- Where
- China
- Volunteers
- 3,200 people
- Sponsor
- West China Hospital
Stress, Psychological, Anxiety
App-Based Mindfulness Meditation for People of Color Who Experience Race-Related Stress
In the United States, people of color (POC) are disproportionally affected by stressors related to race/ethnicity compared with their non-Latinx White (NLW).
- Conditions
- Stress, Psychological, Anxiety, Depression, Rumination
- Trial name
- NCT05027113
- Testing
- Mindfulness meditation
- Where
- United States
- Volunteers
- 155 people
- Sponsor
- University of California, Los Angeles
Discolored Teeth
Effect of Prophylaxis Pastes With and Without Desensitizing Agents Prior to In-office Bleaching
To evaluate the effect of prophylaxis pastes with and without desensitizing agents prior to in-office bleaching on color change and tooth sensitivity.
- Trial name
- NCT07770373
- Testing
- Treatment
- Volunteers
- 38 people
- Sponsor
- Cairo University
Shade Match, Teeth Color
Impact of Presentation Sequence on Patient Tooth Shade Selection
This study is a clinical trial designed to understand how the way a dentist presents tooth color options affects a patient's final choice for their dental treatment.
- Conditions
- Shade Match, Teeth Color, Patient Preference, Aesthetic Perception
- Trial name
- NCT07370545
- Testing
- Sequential Shade Presentation (Natural to Bleached), Sequential Shade Presentation (Bleached to Natural), Simultaneous Shade Presentation (Full Range)
- Where
- Jordan
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Molar Incisor Hypomineralisation
Correlation Between Colour and Hypersensitivity of First Permanent Molars With Molar Incisor Hypomineralisation (MIH)
Cheese molars (MIH: molar incisor hypomineralisation) can be recognized not only by their colour abnormalities but also by their hypersensitivity.
- Trial name
- NCT07727044
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Basel