Clinical trials: Staining
Port-Wine Stain
KTP Laser vs Pulsed Dye Laser for Port-Wine Stains
To compare the efficacy and safety of 532nm KTP laser and 585 nm pulsed dye laser for treating port-wine stains.
- Trial name
- NCT05771311
- Testing
- KTP, PDL
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Malignant Melanoma, Merkel Cell Carcinoma
Optical Biopsy of Human Skin in Conjunction With Laser Treatment
This study is to compare the ability of optical biopsy. Research can use light enters the skin, collected, analyzed by the computer, and a picture created for the pathologist to conventional histologic examination compare with…
- Conditions
- Malignant Melanoma, Merkel Cell Carcinoma, Basal Cell Carcinoma, Squamous Cell Carcinoma
- Trial name
- NCT00540566
- Testing
- Optical Biopsy imaging
- Where
- United States
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Tooth Stain
Combination of Dental Bleaching Techniques, Randomized Clinical Trial
To determine the effectiveness of combining different concentrations of hydrogen peroxide and carbamide used during tooth bleaching.
- Trial name
- NCT02682329
- Testing
- Hydrogen Peroxide and Carbamide Peroxide, Hydrogen Peroxide and Hydrogen Peroxide
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Universidad Iberoamericana
Ureteral Injury
Investigating Oral Agents for Urine Staining to Facilitate Intraoperative Observation of Ureteral Jets
Recently, Indigo Carmine and Methylene Blue have been the standard agents to visualize ureteral jets during intraoperative cystoscopy.
- Trial name
- NCT03432572
- Testing
- Pyridium, Riboflavin, Thiamine
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Texas Tech University Health Sciences Center
Tumor, Brain, Tumor, Breast
Microscopy Imaging of Whole-mount Stained Human Tissues
The goal of this clinical trial is to develop an imaging platform for intraoperative tumor margin delineation in 250 cases of tumor-suffered patients.
- Conditions
- Tumor, Brain, Tumor, Breast, Tumor Skin
- Trial name
- NCT05689112
- Where
- Taiwan
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Tooth Staining, Periodontitis
Impact of a Newly Formulated Toothpaste in Tooth Staining Associated With Chlorhexidine Rinses
Dental staining may interfere with compliance with chlorhexidine mouth rinse use Thus, developing strategies to control tooth staining associated with chlorhexidine use may be relevant for improving compliance.
- Trial name
- PaSTaining (NCT05354986)
- Testing
- Toothpaste with hexametaphosphate, tripolyphosphate and polyvinylpyrrolidone (PVP), Toothpaste without hexametaphosphate, tripolyphosphate and polyvinylpyrrolidone (PVP)
- Where
- Spain
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Tooth Discoloration
Safety and Efficacy of the ToothWave Powered Toothbrush for Extrinsic Stain Reduction (Texas)
This study is a single blind, prospective study aimed to evaluate the safety and efficacy of the Silk'n ToothWave Powered Toothbrush for stains reduction and improvement of teeth shade.
- Trial name
- NCT04092062
- Testing
- ToothWave, powered toothbrush
- Where
- United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Home Skinovations Ltd.
Macular Holes, Macular Pucker
Efficacy and Safety Evaluation of MONOBLUE DUAL View and MONOBLUE ILM View Vital Stains
In this study, the investigators aim to collect data regarding the efficiency and safety of two dyes used intraoperatively in vitrectomy to stain intraocular tissues.
- Conditions
- Macular Holes, Macular Pucker, Vitreomacular Traction
- Trial name
- NewBlueDyes (NCT05517473)
- Where
- Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Port-Wine Stain
Pathogenic Mechanisms of Port Wine Stain and Repository of Port Wine Stain Biopsy Samples
The purpose of this study is to investigate the pathogenic mechanisms of Port Wine Stain, collect biopsy samples and blood samples to characterize exosomes and metabolites from Port Wine Stain.
- Trial name
- NCT02051101
- Testing
- Biopsy sample from Port Wine Stain Birthmark
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Gingivitis, Mouth Diseases
Clinical Effects of Tooth Powder on Gingivitis
Dental plaque, known as dental biofilm, is implicated as the primary etiological agent responsible for oral inflammatory diseases.
- Trial name
- Toothpowder (NCT01902095)
- Testing
- Tooth powder, Tooth paste (control)
- Volunteers
- 154 people, healthy volunteers welcome
- Sponsor
- Sheikh Zayed Federal Postgraduate Medical Institute
Port-Wine Stain
Treatment of Port Wine Stains Using Pulsed Dye Laser, Erbium Yag Laser and Topical Sirolimus
The purpose of this study is to improve the therapeutic outcome of laser therapy for port wine stains by using a combination treatment of the pulsed dye laser (PDL), erbium yag laser and topical sirolimus.
- Trial name
- NCT02214706
- Testing
- Sirolimus, Erbium yag laser, Pulsed Dye Laser
- Where
- Netherlands
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
Corneal Staining
Short-Term Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions
An investigational multi-purpose solution (MPS)was clinically evaluated against Biotrue MPS at specific time points over the course of four days. The study was conducted with PureVision lenses.
- Trial name
- NCT01240122
- Testing
- Biotrue MPS, Investigational MPS
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Disease Progression, Disease Severity
Topical Cyclosporine and Disease Progression
The purpose of this study is to evaluate the effect Restasis has in regards to disease progression.
- Conditions
- Disease Progression, Disease Severity, Staining, Schirmers
- Trial name
- NCT00567983
- Testing
- Restasis, Endura
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Innovative Medical
Colon Staining in Preparation for Colonoscopy
Colon Staining Efficacy of Single Oral Doses of Methylene Blue MMX
To describe and evaluate the mucosal staining efficacy of Methylene Blue MMX® tablets after total oral doses of 150 or 200 mg in patients undergoing a full colonoscopy for various reasons.
- Trial name
- CRO-11-108 (NCT03287219)
- Testing
- Methylene Blue MMX 25 mg modified release tablets
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Cosmo Technologies Ltd
Pulpal Bleeding; Staining, Primary Teeth
Evaluation of Pulpotomy Success of Different Methods
Considering the lack of data in the literature concerning the success of Er,Cr:YSGG laser in pulpotomy treatment of primary teeth, the present study aimed to compare this laser system with two different chemical hemostatic agents…
- Conditions
- Pulpal Bleeding; Staining, Primary Teeth, Pulpotomy
- Trial name
- NCT06403306
- Testing
- Ferric Sulfate (Viskostat; Ultradent, Utah, USA), Ankaferd Blood Stopper (Ankaferd Blood Stopper, Ankaferd Ilaç Kozmetik A.S, Istanbul, Turkey), Er,Cr:YSGG laser (Waterlase MD, Biolase, USA)
- Where
- Turkey (Türkiye)
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Caries Arrested
Assessing Parental Acceptance to Silver Diamine Fluoride Staining Before and After Masking the Colour With Glass Ionomer
Assessing Parents acceptance for the colour of Silver Diamine Fluoride on their Children anterior and posterior teeth before and after masking its colour with Glass Ionomer.
- Trial name
- NCT04509232
- Testing
- Silver diamine fluoride, Silver diamine fluoride and glass ionomer
- Where
- Egypt
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Dina Bassam Mohamed Ahmed
Gingivitis, Healthy Adult
Comparative Evaluation of the Anti-Plaque and Anti-Gingivitis Effects of Nanobiofusion Gingival Gel (NBF), Placebo Gel, and Commercial Toothpaste
The goal of this clinical trial is to learn if Nanibiofusion Gingival Gel (NBF) is able to reduce dental plaque and gum inflammation in adults.
- Trial name
- NCT07850232
- Testing
- Nano Bio-Fusion (NBF) Gingival Gel, Commercial fluoride toothpaste
- Where
- Jordan
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- King Abdullah University Hospital
Tooth Abrasion
Enamel Abrasion and Stain Removal Efficacy of Two Whitening Toothpastes: An In-vitro and In-vivo Trial
The aim of the study is to clinically evaluate the efficacy of external stain removal of an activated charcoal based tooth paste versus calcium carbonate /perlite tooth paste.
- Trial name
- NCT05650840
- Testing
- Charcoal based whitening toothpaste (signal charcoal white& Detox toothpaste Unilever Mashreq - Egypt, Calcium carbonate /perlite containing whitening toothpaste (signal whitening moonlight toothpaste Unilever Mashreq - Egypt).
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Cairo University
Rosacea, Vascular Diseases
Vbeam Pro Pulse Dye Laser for the Treatment of Vascular Conditions
This is a clinical study to evaluate the safety and performance of the Vbeam Pro Laser System for the treatment of vascular indications, including rosacea and port wine stain birthmarks.
- Conditions
- Rosacea, Vascular Diseases, Port-Wine Stain
- Trial name
- NCT07290426
- Testing
- Vbeam Pro Laser Treatment
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Candela Corporation
Extrinsic Dental Stain, Oral Hygiene
Study to Investigate the Stain Control of Two Stannous Fluoride Dentifrices
The purpose of this study is to evaluate and compare the stain build up of two stannous fluoride (SnF2) / sodium tripolyphosphate (STP) dentifrices of differing abrasivity levels, with a marketed standard fluoride dentifrice and…
- Trial name
- NCT03160703
- Testing
- Stannous fluoride (SnF2, 0.454%), Sodium tripolyphosphate (STP, 5%), 2.0% abrasive silica, Stannous fluoride (SnF2, 0.454%), Sodium tripolyphosphate (STP, 5%), abrasive silica (3.5%), Sodium Monofluorophosphate (1000 ppm fluoride ), RDA~80
- Where
- Canada
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline