Clinical trials: Staining
Adenoma Colon
Effect of Water Exchange Plus Acetic Acid Staining on the Detection of Flat Polyps During Colonoscopy
Our previous study (Am. J. Gastroenterol. 2017 04;112(4)) showed that water exchange (WE) colonoscopy was able to increase the detection of flat adenomas as well as overall ADR.
- Trial name
- NCT04464135
- Testing
- acetic acid staining, Water exchange colonoscopy
- Where
- 4 sites in China
- Volunteers
- 300 people
- Sponsor
- Air Force Military Medical University, China
Teeth Staining
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Sensitive Whitening Toothpaste, Containing 5% KNO3 (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains Over 4 Weeks of Unsupervised Use.
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Whitening Toothpaste (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic…
- Trial name
- NCT07761715
- Testing
- Toothpaste
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Boka LLC
Black Stains
Assessment of Black Stains on Teeth in Relation to Salivary Parameters, Periodontal Health, and Body Mass Index in Children
Objective The aim of this study is to compare salivary flow rate, salivary pH, salivary buffering capacity, plaque index, gingival index, DMFT/dft indices, and body mass index (BMI) in systemically healthy children aged 5-10…
- Trial name
- NCT06985446
- Testing
- Study Group:Black stain-positive, Control Group: Black stain-negative
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Akdeniz University
Colorectal Cancer, Polyp, Colonic
Technical Feasibility Evaluation of Mucosal Staining During Colon Capsule Endoscopy (CCE) Procedure in Colorectal Cancer (CRC) High Risk Population, When Using MB-MMX
A prospective, single-center, single-arm, non-randomized, post-market pilot study evaluating the technical feasibility of mucosal staining during COLON2 Capsule Endoscopy (CCE) procedure in population at high risk for Colorectal…
- Trial name
- NCT05022719
- Testing
- PillCam Colon2 procedure with MB-MMX
- Where
- Spain
- Volunteers
- 8 people
- Sponsor
- Medtronic - MITG
Color Stability of Dental Ceramics, Zirconia Restorations
Impact of Khat Chewing on Color Stability and Patient Satisfaction of Multilayer Zirconia and Feldspathic Veneer Zirconia.
This study aims to evaluate and compare the impact of khat chewing on the color stability and patient satisfaction of multilayer zirconia and feldspathic veneered zirconia restorations.
- Conditions
- Color Stability of Dental Ceramics, Zirconia Restorations, Khat Chewing Effects, Dental Restoration Staining
- Trial name
- NCT07786272
- Testing
- Multilayer Zirconia Crowns, Feldspathic Veneered Zirconia Crowns
- Where
- Yemen
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Thamar University
Breast Cancer
PD0332991/Paclitaxel in Advanced Breast Cancer
This study is a phase I, single arm, open-label trial of PD0332991 in combination with Paclitaxel in patients with Rb-expressing metastatic breast cancer.
- Trial name
- NCT01320592
- Testing
- PD0332991, Paclitaxel
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Abramson Cancer Center at Penn Medicine
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
Cataract Diabetic
Safety of Trypan Blue on Endothelium of Diabetic Retinopathy Patients
This study examines the use of Trypan Blue staining of the corneal endothelium in patients undergoing phacoemulsification. It is a single-center prospective, randomized individual cohort study.
- Trial name
- NCT03755752
- Testing
- Phacoemulsification with and without Trypan Blue capsule staining
- Where
- Egypt
- Volunteers
- 65 people
- Sponsor
- Assiut University
Chronic Gingivitis
Efficacy of Cuminum Cyminum Herbal =Preparation in Inhibition of Plaque and Gingivitis.
Present work was to investigate the possible efficacy of 0.2% cuminum cyminum herbal preparation as an antiplaque and antigingivitis agent when compared with chlorhexidine.
- Trial name
- NCT04767269
- Testing
- Cuminum Cyminum, herbal Mouthwash
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Maharishi Markendeswar University (Deemed to be University)
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
Evaluate the Port-wine Stain Birthmark Treatment Before and After Pulsed Dye Laser Treatment
Port-wine stain is a congenital, progressive vascular malformation of human skin involving post-capillary venules that occurs in an estimated 0.3% of children and can alter personality development and psychological in children.
- Trial name
- NCT01774552
- Testing
- Photo Acoustic Microscopy and Optical Coherence tomography
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Cataract
Efficacy of Lutein, Zeaxanthine and Trypan Blue to Stain the Anterior Lens Capsule
Effectiveness of lutein, zeaxanthin and trypan blue to stain the anterior lens capsule during cataract phacoemulsification.
- Trial name
- NCT01621789
- Testing
- dye of lutein, zeaxanthin, trypan blue
- Where
- Brazil
- Volunteers
- 25 people
- Sponsor
- Federal University of São Paulo
Black Stain, Black Plaque
Air Polishers With Erythritol in the Treatment of Dental Black Stain of Bacterial Origin
Black stains on the teeth, caused by the accumulation of chromogenic microorganisms that produce iron compounds, are more common in the pediatric population and have a negative impact on dental aesthetics and patients'…
- Trial name
- NCT06720168
- Testing
- Erythritol air polisher, Dental prophylaxis with ultrasonic treatment
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- Cardenal Herrera University
Tooth Discoloration
The Effect of Staining Beverage on Color Alteration During In-office Tooth Bleaching
This double-blind randomized controlled clinical trial aimed to investigate the effect of staining beverage on color alteration of in-office tooth bleaching procedures.
- Trial name
- NCT03933527
- Testing
- making staining beverage rinse during in-office tooth bleaching
- Where
- China
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Fujian Medical University
Port Wine Stains
Port Wine Stains Treatment Matrix RF Study
The purpose of this study is to evaluate the efficacy and safety of the Matrix RF for Port Wine Stains based on clinical and histological analyses.
- Trial name
- NCT01101360
- Testing
- Matrix RF, Matrix RF followed by Pulse Dye Laser, Pulse Dye Laser followed by Matrix RF
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Syneron Medical
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
Port-Wine Stain
Effect of Pulsed Dye Laser on Photodynamic Therapy of Port-Wine Stains
Port-wine stain (PWS) is a congenital capillary malformation with an incidence of 3-5/1000 newborns and grows commensurately with the affected individual.
- Trial name
- NCT04536740
- Testing
- PDT treatment device
- Volunteers
- 68 people
- Sponsor
- Gang Ma
Low Back Pain
Evaluating Pain and Functional Outcomes of Active Release Technique Versus Strain-counter- Stain in Chronic Low Back Pain
clinical trial aims to compare the effects of Active Release Technique (ART) and Strain-Counter-Strain (SCS) on pain reduction and functional improvement in male patients aged 30-45 years with chronic low back pain (CLBP)…
- Trial name
- NCT07418346
- Testing
- Strain Counter Strain, Active Release Technique
- Where
- Pakistan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ibadat International University, Islamabad
Veneer, Composite Restorations
Clinical Evaluation of Prefabricated Versus 3D-Printed Composite Resin Veneers: in Vivo Study
The purpose of this study is to clinically evaluate prefabricated versus 3D-printed composite resin veneers
- Conditions
- Veneer, Composite Restorations, Teeth Color, Teeth Staining
- Trial name
- NCT07691658
- Testing
- Prefabricated Composite Resin Veneers, 3D-Printed Composite Resin Veneers
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tanta University
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