Clinical trials: Staining
Oral Hygiene
An Efficacy Study of Stain Control of a 67% Sodium Bicarbonate Containing Toothpaste on Chlorhexidine Tooth Staining
The aim of this study is to compare the stain effect on teeth of twice daily brushing with a 67% sodium bicarbonate containing toothpaste versus standard toothpaste (not containing sodium bicarbonate) for six weeks whilst using a…
- Trial name
- NCT01962493
- Testing
- Sodium bicarbonate/ Sodium Fluoride, Sodium fluoride, Chlorhexidine digluconate
- Where
- 3 sites in United Kingdom
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Refractive Error
Lens Wearing Experience and Biocompatibility of a Marketed Multi-Purpose Disinfecting Solution in Silicone Hydrogel and Soft Contact Lens Wearers
The purpose of this study was to describe mean differences in corneal staining (type and area) for OPTI-FREE PureMoist Multi-Purpose Disinfecting Solution (MPDS) at Day 30 compared to Baseline (Day 0).
- Trial name
- NCT01484938
- Testing
- OPTI-FREE PureMoist
- Where
- United States
- Volunteers
- 175 people
- Sponsor
- Alcon Research
Oral Leukoplakia, Oral Lichen Planus
Comparison or Rose Bengal and Toluidine Blue Staining for Lesion Detection Efficacy
Abstract Objective: To study the diagnostic efficiency of Rose Bengal with Toluidine blue in detecting the biopsy sites and thus establish an accurate diagnosis in oral premalignant lesions.
- Conditions
- Oral Leukoplakia, Oral Lichen Planus, Premalignant Lesion
- Trial name
- NCT03031899
- Testing
- Biopsy, Rose Bengal, toluidine blue
- Volunteers
- 27 people
- Sponsor
- The Oxford Dental College, Hospital and Research Center, Bangalore, India
Contact Lens Care
7-Day, Multi-Site Study of an Investigational Multi-Purpose Disinfecting Solution for Contact Lens Wearers
The purpose of this study is to clinically evaluate solution-related corneal staining with an investigational multi-purpose disinfecting solution (MPDS) in hydrogel and silicone hydrogel contact lens wearers.
- Trial name
- NCT00884806
- Testing
- FID 114675A Multi-Purpose Disinfecting Solution (MPDS), Etafilcon A contact lens (ACUVUE® 2™), Senofilcon A contact lens (ACUVUE® OASYS™)
- Volunteers
- 110 people
- Sponsor
- Alcon Research
Dry Eye
Clinical Evaluation of Systane® Gel Drops in Dry Eye Subjects
The purpose of this study is to evaluate the efficacy and safety of Systane® Gel Drops in dry eye subjects following 90 days of QID (4 times/day) dosing.
- Trial name
- NCT02380248
- Testing
- Polyethylene Glycol, 0.4%, Propylene Glycol, 0.3% eye drops
- Where
- India
- Volunteers
- 207 people
- Sponsor
- Alcon Research
Tooth Stain
A Clinical Trial to Test the Effect of a Marketed Mouth Rinse on Stain Removal
The whitening action of an investigative hydrogen peroxide/sodium fluoride containing mouth rinse will be evaluated through stain removal using mean Lobene Stain Index over 14 days compared to a currently marketed hydrogen…
- Trial name
- NCT02151058
- Testing
- Colgate® Regular Cavity Protection, Experimental Mouth Rinse, Crest® 3D White Multi-Care Whitening Rinse, Glamorous White, Fresh Mint
- Where
- United States
- Volunteers
- 227 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Consumer and Personal Products Worldwide
Refractive Error
Corneal Staining Associated With Daily Disposable Beauty Contact Lenses
Limbal ring contact lenses enhance the look of the eye by adding pigmentation in a ring pattern to the contact lens. The purpose of this investigation is to determine if corneal staining increase is dependent upon the lens…
- Trial name
- NCT01882465
- Testing
- etafilcon A, 2-HEMA, EGDMA Non-ionic, hefilcon A
- Where
- Hong Kong
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Hyperopia
Corneal and Conjunctival Sensitivity and Staining Study
The primary objective of this study is to compare subjective symptoms and ocular health in a group of individuals who are currently wearing soft contact lenses on a daily wear basis, after a short period of no lens wear and…
- Trial name
- NCT00455455
- Testing
- Optifree RepleniSH Multipurpose Disinfecting Solution, ReNu Multiplus Multipurpose Solution
- Where
- Canada
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Head And Neck Cancer, Oropharynx Cancer
OraTest in Combination With Visual Examination and Visual Examination Alone
Primary Objectives: 1. To assess the ratio in sensitivities of OraTest® in combination with visual examination versus visual examination alone in the detection of serious pathology defined as severe dysplasia, CIS, or cancer of…
- Trial name
- NCT00537199
- Testing
- Visual Examination, OraTest
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
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
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
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
Corneal Staining
A Clinical Comparison of Marketed Lens Care Solutions With Avaira Lens Brand
This study is a clinical comparison of the biocompatibility of several multipurpose solutions, Renu Fresh, Optifree Replenish, and ClearCare, and saline as a control solution among adapted hydrogel contact lens wearers wearing…
- Trial name
- NCT01335750
- Testing
- Multipurpose Solution #1, Multipurpose Solution #2, Mutlipurpose Solution #3
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Conjunctival Staining
Evaluation of Contact Lenses and Conjunctival Staining in Normal Patients
The purpose of this study was to investigate contact lens fit, lens parameters, and conjunctival staining in a sample of subjects with various contact lens/solution combinations.
- Trial name
- NCT00799422
- Testing
- Complete Easy Rub, ReNu MultiPlus, Clear Care
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Alcon Research
Port Wine Stains
Combined Photodynamic and Pulsed Dye Laser Treatment of Port Wine Stains
This research study was designed to determine the effect on port wine stains (PWS) of liposomal benzoporphyrin derivative monoacid (BPD-MA) termed verteporfin by intravenous (IV) infusion for photodynamic therapy (PDT) or…
- Trial name
- PDT/PDL (NCT00556946)
- Testing
- Combined Photodynamic & Pulsed Dye Laser Treatment
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- University of California, Irvine
Small Cell Prostate Cancer, Neuroendocrine Prostate Cancer
A Phase II Trial of MLN8237 in Patients With Metastatic Castrate Resistant and Neuroendocrine Prostate Cancer
This study will evaluate the response rate of MLN8237 in patients with histologically confirmed or clinically suspected metastatic neuroendocrine prostate cancer (NEPC).
- Conditions
- Small Cell Prostate Cancer, Neuroendocrine Prostate Cancer, Prostate Adenocarcinoma Plus > 50% Immunohistochemical Staining for Neuroendocrine Markers
- Trial name
- NCT01799278
- Testing
- MLN8237
- Where
- 8 sites in United States
- Volunteers
- 60 people
- Sponsor
- Weill Medical College of Cornell University
Port Wine Stains
The Effects of Aldara as an Adjunct to Laser Treatment
The primary objective is to determine the effects of Aldara on the cosmetic outcome of laser treatment of vascular malformations.
- Trial name
- NCT00979550
- Testing
- Imiquimod, non-medicated petroleum cream
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Henry Vasconez
Oral Hygiene
Clinical Study to Investigate the Tooth Stain Removal Efficacy of Two Experimental Toothpastes Compared to a Standard Toothpaste When Used Twice Daily for 8 Weeks
The aim of this study is to investigate the stain removal efficacy of 2 experimental anti-dentin hypersensitivity (DH) dentifrices with four and eight weeks twice daily use.
- Trial name
- NCT05459558
- Testing
- Experimental Dentifrice 1, Experimental Dentifrice 2, Reference Dentifrice
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- HALEON
Corneal Staining
Clinical Evaluation of Opti-Free III (FID 109182) Compared to Opti-Free Plus® in Japan
The purpose of this study is to compare an investigational contact lens care product (FID 109182) to a commercially available contact lens product (Opti-Free Plus®) for corneal staining when used with Acuvue® Oasys® contact…
- Trial name
- NCT02251561
- Testing
- FID 109182, Opti-Free Plus, Senofilcon A contact lens
- Volunteers
- 36 people
- Sponsor
- Alcon Research
Port Wine Stain
Combining Topical Imiquimod 5% Cream With a Pulsed Dye Laser to Treat Port Wine Stain Birthmarks
Port wine stains are red birthmarks that without treatment persist for a lifetime. They are frequently found on the face and can be conspicuous and disfiguring, negatively impacting social interactions for these patients.
- Trial name
- Aldara (NCT00585247)
- Testing
- Imiquimod
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- University of California, Irvine