Clinical trials: Staining
Port-wine Stain
A Pilot Study of Hemoporfin PDT in Children(2-7 Years Old) With Port-wine Stain
This pilot study aims to evaluate the safety and efficacy of hemoporfin photodynamic therapy (PDT) with different light doses for port-wine stain (PWS）in 2-7 years old children.
- Trial name
- NCT04106258
- Testing
- Hemoporfin PDT
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Shanghai Fudan-Zhangjiang Bio-Pharmaceutical Co., Ltd.
Primary Open-angle Glaucoma
Efficacy and Tolerability of an Innovative Formulation of BAK-free Latanoprost
This study evaluates the efficacy and tolerability of a new formulation of latanoprost without Benzalkonium Chloride (BAK-free).
- Trial name
- NCT03331770
- Testing
- Latanoprost Ophthalmic Product
- Where
- Argentina
- Volunteers
- 103 people
- Sponsor
- Laboratorios Poen
Corneal Staining
Assessment of Tear Film-Based Proteins Associated With Care Solution Induced Corneal Staining
The purpose of this study was to investigate the association of inflammatory mediators found in the tear film during the development and following the induction of contact lens solution-induced corneal staining.
- Trial name
- NCT01100424
- Testing
- Opti-Free RepleniSH, ReNu MultiPlus, Balafilcon A
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Mature Cataracts
DY002: Safety and Effectiveness of DYME as an Agent for Selective Staining of the Anterior Capsule During Cataract Surgery
The primary objective of this study is to test the hypothesis that DYME is safe and effective as a drug to facilitate continuous curvilinear capsulorhexis (CCC) by selectively staining the anterior capsule.
- Trial name
- AQNA-DY002 (NCT00596492)
- Testing
- DYME
- Where
- 15 sites in United States, India
- Volunteers
- 200 people
- Sponsor
- Aqumen Biopharmaceuticals, N.A.
Conjunctival Staining
Defining the Conjunctival Staining Method: Instillation Volume and Time Course to Assess Staining With Lissamine Green
The purpose of this study is to determine the correct volume of lissamine green to use when assessing conjunctival staining, and to determine the time course needed to evaluate conjunctival staining after lissamine green has been…
- Trial name
- NCT00768898
- Testing
- 2.5/5.0/10.0 µL lissamine green
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Cervical Intraepithelial Neoplasia Grade 2/3
The Study of Folate Receptor-Mediated Staining Solution (FRD™) In Cervical Lesion Detection
The FRDTM is easy to perform and does not require sophisticated laboratory technology and/or experienced pathologists for test result interpretation.
- Trial name
- NCT03366493
- Testing
- FRD, Cytology, HPV testing
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- GY Highland Biotech LLC
Visual Acuity, Slit Lamp Biomicroscopy (Corneal Staining Assessment)
Clinical Evaluation of 3 Contact Lens Materials With 3 Solution Types
This is a multi-site, randomized, double-masked, contralateral, 2 treatment x 2 period crossover, dispensing, five-visit study to gain clinical insights of the study lenses and solutions.
- Trial name
- NCT03466060
- Testing
- Opti-Free : RevitaLens / Clear Care : RevitaLens, Opti-Free : RevitaLens / RevitaLens : Clear Care, Clear Care : RevitaLens/ Opti-Free : RevitaLens
- Where
- 5 sites in United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Tooth Discoloration
Safety and Efficacy of the ToothWave Power Toothbrush for Extrinsic Stain Reduction
This study is a single blind, prospective study aimed to evaluate the safety and efficacy of the Silk'n ToothWave Power Toothbrush for stains reduction and improvement of teeth shade.
- Trial name
- NCT03885609
- Testing
- ToothWave, powered toothbrush
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Home Skinovations Ltd.
Tobacco Dependence
A Study on the Effects of Two Nicotine Replacement Products on Tooth Staining
Participants will be smokers who want to quit, and have visible nicotine stains on their teeth. They will be given toothpaste and a toothbrush to use during the study, and will have an equal chance of being assigned to use either…
- Trial name
- NCT01440985
- Testing
- Nicotine
- Where
- Ireland
- Volunteers
- 200 people
- Sponsor
- McNeil AB
Oral Hygiene
A Study to Investigate the Stain and Plaque Removal Capability of Two Experimental Potassium Nitrate Dentifrices
The purpose of this study is to determine whether spherical silica can achieve similar or greater extrinsic dental stain and plaque removal, in comparison to dentifrices containing higher concentrations of standard abrasive…
- Trial name
- NCT03267511
- Testing
- 5% KNO3 / 0.2542% NaF dentifrice with 0.5% spherical silica, 5% KNO3 / 0.2542% NaF dentifrice with 1% spherical silica and 5% STP, 5% KNO3 / 0.2542% NaF dentifrice with 6% abrasive silica
- Where
- United States
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Dental Pellicle
A Pilot Drug Trial That Evaluates the Whitening Potential of Nicotine Gum
The purpose of this research study is to evaluate the effects on existing tooth stain of nicotine gum. The study will enroll adults who have visible tooth staining.
- Trial name
- NCT00174499
- Testing
- 2 mg nicotine gum, 4 mg nicotine gum
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- McNeil AB
Stain Removal Efficacy
Extrinsic Tooth Whitening Evaluation of a Whitening Toothpaste
This randomized, examiner-blind, parallel-group clinical study evaluated the effectiveness of a whitening toothpaste compared with a control toothpaste in removing extrinsic tooth stain over six weeks of twice-daily unsupervised…
- Trial name
- NCT07428603
- Testing
- Whitening Test Dentifrice (Code 826), Control dentifrice (Code 378)
- Where
- United States
- Volunteers
- 118 people
- Sponsor
- Church & Dwight Company, Inc.
Keratoconjunctivitis Sicca, Dry Eye
Safety and Efficacy Study of Rebamipide 2% Ophthalmic Suspension in Subjects With Dry Eye - Effects on Central Cornea
The purpose of this study is to evaluate the safety and efficacy of 2% rebamipide compared to placebo in clearing of fluorescein staining of the central cornea in subjects with dry eye disease.
- Trial name
- NCT01057147
- Testing
- rebamipide 2% ophthalmic suspension
- Where
- 19 sites in United States
- Volunteers
- 116 people
- Sponsor
- Kubota Vision Inc.
Bacterial Infections
Development and Accuracy Evaluation of Gram Staining Analysis AI
The investigators use Gram-stained specimens provided from clinical settings to develop and evaluate the accuracy of Gram staining analysis AI
- Trial name
- NCT06377592
- Testing
- Sample collection without intervention
- Where
- Japan
- Volunteers
- 18,000 people
- Sponsor
- GramEye
Corneal Staining
Comfort Evaluation of a New MPS vs. Replenish in Contact Lens Patients
To compare corneal staining after contact lens instillation with a new MPS vs. RepleniSH
- Trial name
- NCT00518700
- Testing
- new MPS, RepleniSH
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Innovative Medical
Contact Lens Discomfort, Contact Lens-induced Corneal Disorder
Prolongation of Contact Lens Comfortable Wear Duration by CLM2 Topical Gel
This study compares contact lens comfortable wear duration, and signs and symptoms of contact lens discomfort, test versus control.
- Conditions
- Contact Lens Discomfort, Contact Lens-induced Corneal Disorder, Contact Lens Acute Red Eye, Contact Lens-induced Corneal Fluorescein Staining
- Trial name
- NCT03994406
- Testing
- CLM2 topical gel
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Glia, LLC
Refractive Error, Dry Eye
Determination of Cell Population in Solution-Induced Corneal Staining (SICS) and Symptomatic Versus Asymptomatic Lens Wearers
The purpose of the study is to investigate the corneal epithelial cell response associated with lens wear that results in solution-induced corneal staining (Phase1) and to determine the cell appearance in symptomatic and…
- Trial name
- ABBOTSFORD (NCT01629706)
- Testing
- Balafilcon A contact lens, Habitual contact lenses, Renu multi-purpose solution
- Volunteers
- 92 people
- Sponsor
- CIBA VISION
Tooth Whitening, Tooth Discoloration
Clinical Research Study to Evaluate Stain Removal and Whitening Improvement
The objective of this clinical research study is to evaluate the stain removal and whitening improvement of a toothpaste containing Vitamin C and 1100 ppm F as sodium fluoride as compared to a matching placebo toothpaste…
- Trial name
- NCT07870018
- Testing
- Vitamin C toothpaste
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
Normal Healthy Eyes
Staining in a Healthy, Non-Dry Eye Population
The clinical objective of this study is to quantify the levels of corneal and conjunctival staining in a healthy, non-dry eye population. This is a descriptive study without test article administered.
- Trial name
- NCT00643942
- Testing
- No intervention required
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Herpes Zoster
Month 30 & 42 Extension Studies of CRD-004 Primary Study
The safety and immunogenicity of the GSK324332A vaccine has been evaluated up to Month 12 post-vaccination in the primary study.
- Trial name
- NCT00492648
- Testing
- Blood sampling for assay of persistence of immunogenicity
- Where
- Belgium
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline