Clinical trials: Staining
Port-Wine Stain
Combined Bipolar Radiofrequency&Pulsed Dye Laser Treatment
Port wine stain Birthmark is a congenital, progressive vascular malformation of human skin. However, even though the pulsed dye laser is considered as the treatment of choice for Port wine stain Birthmark the degree of fading can…
- Trial name
- NCT01775722
- Testing
- Pulsed Dye Laser, Combined Bipolar Radiofrequency&Pulsed Dye Laser
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of California, Irvine
Foreign Bodies, Ultrasound
Foreign Body Removal With the Assistance of Ultrasound Guidance and Methylene Blue Staining in Children
Soft-tissue foreign bodies (FB) are very commonly observed in pediatric emergency departments. Some are metallic and can be diagnosed easily via X-ray radiography, whereas others are radiolucent and are hence less easily…
- Trial name
- NCT05085509
- Testing
- US guidance and MB staining
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Yuxi Su
Myopia
Investigation of Multi-Purpose Solution-Based Corneal Staining and Ocular Comfort
The primary objective of this study is to compare subjective ocular symptoms and corneal staining over time in a group of individuals who wear soft contact lenses on a daily wear basis, whilst they sequentially use two different…
- Trial name
- NCT00349843
- Testing
- Soft contact lens, Marketed soft lens multipurpose disinfection regimen
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
PORT WINE STAIN
Monitoring the Response of Port Wine Stain Birthmarks to Laser Therapy With Wide-field Functional Imaging Technologies
The researcher develop non-invasive imaging modalities for assessment of port wine stain during laser therapy treatment of Port Wine Stain.
- Trial name
- NCT01333553
- Testing
- Image-guided remove Port Wine Stain
- Where
- United States
- Volunteers
- 69 people
- Sponsor
- University of California, Irvine
Tooth Discoloration
Etiology of Black Tooth Stain in Children
The aim of the present study was to investigate the relationship between the presence of black tooth stain (BS) and dental caries incidence, dental plaque scores and to examine the colonization of Streptococcus mutans…
- Trial name
- NCT05249491
- Testing
- Microbiological evaluation of dental plaques with children with or without black tooth stain
- Where
- Turkey (Türkiye)
- Volunteers
- 88 people
- Sponsor
- Ege University
Esthetic Restorations
Effect of One-step Versus Multistep Polishing Protocol on Class IV Composite Restorations.
This study aims to evaluate the effectiveness of various finishing and polishing techniques for composite resins used in dental restorations, with a focus on minimizing discoloration and surface roughness over time.
- Trial name
- NCT06732115
- Testing
- One-step polishing system with nanohybrid resin composite restorations., Multistep system polishing system Super-Snap X-treme (Shofu) with nanohybrid resin composite restorations.
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University
Lynch Syndrome
Diagnosis of Lynch Syndrome Based on Next-generation Sequencing in Colorectal Cancer
The purpose of this study is to determine the proportion of patients diagnosed with Lynch syndrome in colorectal cancer patients with the loss of staining by immunohistochemistry (IHC) of any of the mismatch repair (MMR)…
- Trial name
- NCT03047226
- Testing
- next-generation sequencing
- Where
- 7 sites in China
- Volunteers
- 311 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
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
Bone Diseases
Use of a Radiopaque Localizer Grid and Methylene Blue Staining as an Aid to Reduce Radiation Exposure
Localization of small femur lesions for resection can be challenging and may be associated with the need for significant fluoroscopic imaging and tissue dissection.
- Trial name
- NCT02969005
- Testing
- surgical treatment
- Volunteers
- 40 people
- Sponsor
- Children's Hospital of Chongqing Medical University