Clinical trials: Staining
Dry Eye, Dry Eye Syndromes
Assessment of Tear Production, Corneal Staining, and Comfort Level Wearing Different Types of Contact Lenses
This research assesses the tear performance of five distinct types of soft contact lenses commonly found in the market. The study involves contact lens participants, all of whom are students enrolled at UKM.
- Conditions
- Dry Eye, Dry Eye Syndromes, Contact Lens-induced Corneal Fluorescein Staining
- Trial name
- NCT06351410
- Testing
- Eye Wearing Contact Lens
- Where
- Malaysia
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- National University of Malaysia
Contact Lens-induced Corneal Fluorescein Staining
Corneal Staining and Physiological Compromise After Eight Hours of Soft Contact Lens Wear
The purpose of this study is to assess corneal staining and to measure the relative corneal epithelial "barrier" function (the degree to which the cornea can prevent penetration of colored sodium fluorescein dye into the eye)…
- Trial name
- NCT01015768
- Testing
- ReNu Multiplus multipurpose disinfecting solution, Control
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Percutaneous Nephrolithotomy
Gram Stain of the First Urine After Puncture in Percutaneous Nephrolithotomy
In this study, investigators compared the systemic inflammatory responses after percutaneous nephrolithotomy (PCNL) patients who were given an expanded empirical antibiotic regimen based on the prediction of the possibility of…
- Trial name
- NCT06393062
- Testing
- Gram staining of the first urine after intraoperative renal puncture to predict the systemic inflammatory response after percutaneous nephrolithotomy.
- Where
- Turkey (Türkiye)
- Volunteers
- 245 people
- Sponsor
- Adiyaman University
Dry Eye
Evaluate Artificial Tear Efficacy in Moderate to Severe Dry Eye
Comparison of two Dry Eye products
- Trial name
- NCT00724412
- Testing
- Systane, Optive
- Volunteers
- 279 people
- Sponsor
- Alcon Research
Contact Lens Disinfecting Solutions
Comparison of Two Multi-Purpose Solution and Lens Material Combinations on Corneal Barrier Function
The purpose of this study is to measure the relative "barrier" function of the top layer of the cornea (called the epithelium), or the degree to which the cornea can prevent the penetration of the colored dye sodium fluorescein…
- Trial name
- NCT00560898
- Testing
- ProClear Lens Material soaked in ReNu Multiplus Multipurpose Solution, Acuvue Advance Lens Material soaked in ReNu Multiplus Multipurpose Solution, Acuvue Advance Lens Material soaked in Optifree RepleniSH Multipurpose Solution
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Port-Wine Stain
Combined Pulsed Dye Laser and Topical Ranibizumab for Treatment of Port Wine Stain Birthmarks
The purpose of this study is to improve port wine stain therapeutic outcome in response to laser therapy. The researcher want to determine whether the combined use of pulsed dye laser therapy and topical ranibizumab will improve…
- Trial name
- NCT00667472
- Testing
- Ranibizumab, Pulsed Dye Laser
- Sponsor
- University of California, Irvine
Teeth Staining
Clinical Efficacy of Antivet Versus Phosphoric Acid and Hydrochloric Acid in Microabrasion
This clinical trial will be conducted to assess the clinical efficacy of using Antivet cleaning enamel solution or hydrochloric acid and phosphoric acid in microabrasion technique for mild to moderate intrinsic stained teeth.
- Trial name
- NCT07709286
- Testing
- (Antivet, MDC DENTAL, Zapopan Jalisco México), Opalustre, phosphoric acid 37% and aluminium oxid 50 microns
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Misr University for Science and Technology
Acute Coronary Syndrome
Low-dose PCSK9 Inhibitor Combined With Stains on Serum Lipids in Chinese Population With Acute Coronary Syndrome
A total of 100 patients aged 18-85 years old with a definite diagnosis of ACS were admitted to the Department of Cardiovascular, The First Affiliated Hospital of Nanjing Medical University.
- Trial name
- NCT05298475
- Testing
- Statin, PCSK9 inhibitor
- Where
- China
- Volunteers
- 100 people
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Staining
Clinical Study to Assess the Efficacy of Professional Tooth Whitening Maintenance System
Clinical study to assess the efficacy of professional tooth whitening maintenance system of a Colgate toothpaste containing 5% Hydrogen Peroxide with a stain-fighter mouthwash as compared to only the stainfighter mouthwash and a…
- Trial name
- NCT06613347
- Testing
- whitening maintenance, whitening maintenance MW, negative control
- Where
- United States
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
Teeth Color, Teeth Staining
A Clinical Study to Evaluate the Stain Reduction Efficacy of a Non-Fluoride Tooth Whitening Dentifrice Containing Nano-Hydroxyapatite (nHAP) and a High Cleaning Silica Abrasive System Compared to a Commercial Fluoride Non-Whitening Dentifrice as a Negative Control
To determine whether brushing with a non-fluoride tooth whitening dentifrice containing nHAP and a high cleaning silica system produces a greater level of stain reduction as indicated by the Modified Lobene Stain Index (MLSI) for…
- Trial name
- NCT07214038
- Testing
- toothpaste
- Where
- India
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Boka LLC
Port-Wine Stain
Pilot Study to Evaluate the Effect of Multiple Passes on Port Wine Stain Treatments With the Cutera Excel V™ Laser.
Two limitations of single pulse, laser treatment of port-wine stains (PWS) are: (i) hemorrhage and purpura which may lead to post-treatment pigmentation and (ii) the necessity for repeated treatment sessions.
- Trial name
- NCT04103164
- Testing
- Cutera excel V™ Laser
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Bacterial Vaginosis
PNA FISH, PCR and Gram Staining for Detection of Bacterial Vaginosis - a Comparative Clinical Study in a Danish IVF Setting
The primary aim of the present study is to investigate the vaginal microbiota of infertile women with two novel molecular based diagnostic tests for Bacterial Vaginosis, a PNA FISH and a PCR method supported with conventional…
- Trial name
- NCT02042352
- Testing
- pH glove
- Where
- Denmark
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- Regionshospitalet Viborg, Skive
Discoloration, Tooth
Effect of Glutathione vs KI in Reducing SDF Staining When Used in Treatment of Primary Carious Teeth
Although black staining is considered a drawback that is clinically observed following SDF application and is the main primary barrier for its use clinically .
- Trial name
- NCT04816487
- Testing
- Potassium Iodide or Glutathione
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
Myopia, Hyperopia
Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions
A new multi-purpose solution (MPS)was clinically evaluated against Opti-Free RepleniSH MPS at specific time points over the course of four days. The study was conducted with PureVision lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT01024855
- Testing
- RevitaLens OcuTec MPS (Investigational MPS) and Opti-Free RepleniSH MPS (control)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Contact Lens Wear
Comparison of OPTI-FREE RepleniSH and ReNu Multi-Plus Lens Care Regimens on Corneal Epithelium
The purpose of this study is to evaluate the corneal epithelium after soft contact lens wear and use of two marketed multi-purpose solutions.
- Trial name
- NCT00724269
- Testing
- OPTI-FREE RepleniSH, ReNu MultiPlus MPS
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Alcon Research
Port-wine Birthmarks, Port-Wine Stain
A Study to Evaluate Efficacy and Safety of Light Dose in Subjects With PWB Treated With Hemoporfin PDT
This is a multi-center, randomized, double-blind, vehicle-controlled, and sequential group Phase 2 study. Eligible subjects aged 18 to 75 years old with PWB will receive Hemoporfin PDT or vehicle PDT in 8-week cycles at fixed…
- Conditions
- Port-wine Birthmarks, Port-Wine Stain, Nevus Flammeus
- Trial name
- NCT05171894
- Testing
- Hemopfin+Green Light, Vehicle+Green Light
- Where
- 5 sites in United States
- Volunteers
- 84 people
- Sponsor
- Shanghai Fudan-Zhangjiang Bio-Pharmaceutical Co., Ltd.
Glaucoma, Ocular Hypertension
Effects of Travatan Z and Xalatan on Ocular Surface Health
The purpose of this randomized, double-masked, parallel-group, multicenter study is to evaluate ocular surface effects after the administration of travoprost with SofZia® preservative system or Xalatan once daily for 12 weeks.
- Trial name
- NCT00708422
- Testing
- Travoprost ophthalmic solution 0.004% with SofZia® preservative system (TRAVATAN Z®), Latanoprost ophthalmic solution 0.005% (XALATAN®)
- Volunteers
- 231 people
- Sponsor
- Alcon Research
Port-Wine Stain
Measurement Skin Temperature During Pulsed Laser Exposure
Lasers are the treatment modality of choice for Port Wine Stain birthmarks.The epidermis is not totally spared due to partial absorption of energy therein by melanin that presents an optical barrier through which the light must…
- Trial name
- NCT00540917
- Testing
- cooling spray during laser treatment
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Corneal Staining
Pilot Evaluation of Two Multipurpose Solutions in Regards to Corneal Staining
To evaluate corneal staining after contact lens instillation with two different multi purpose solutions.
- Trial name
- NCT00483795
- Testing
- sodium citrate, sodium chloride, sodium borate, propylene glycol. citrate, tetronic 1304, AMP 95
- Where
- United States
- Sponsor
- Innovative Medical
Port-wine Stain
A Pilot Study of Hemoporfin PDT in Children With Port-wine Stain
This pilot study aims to evaluate the efficacy and safety of hemoporfin photodynamic therapy (PDT) with different light doses for port-wine stain (PWS） in 7-14 years old children.
- Trial name
- NCT03125057
- Testing
- Hemoporfin PDT
- Where
- China
- Volunteers
- 24 people
- Sponsor
- Shanghai Fudan-Zhangjiang Bio-Pharmaceutical Co., Ltd.