Clinical trials: Biofilms
Staphylococcal Infection
Staphylokinase and ABO Group Phenotype: New Players in Staphylococcus Aureus Implant-associated Infections Development
The purpose of this study is to identify bacterial and/or clinical features involved in the pathogenesis of Staphylococcus aureus implant-associated infections (IAI). Materials \& methods: In total, 57 IAI S.
- Trial name
- NCT02812446
- Testing
- IAI infection, Staphylococcus aureus nasal carriage infection
- Where
- France
- Volunteers
- 88 people
- Sponsor
- Nantes University Hospital
Dental Plaque, Dental Caries
Probiotic Treatment of Orthodontic Patients
The purpose of this study is to examine the effect of treatment with a lozenge containing the probiotic strain S. salivarius M18 on the formation, composition and virulence of dental plaque and in healthy orthodontic patients…
- Trial name
- NCT06751979
- Testing
- Probiotic treatment
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
pH, Saliva
Carbonated Beverage Consumption in pH and Bacterial Proliferation
The objective of this research is to evaluate the oral modifications caused by different types of coke drinks (regular coke and diet coke).
- Conditions
- pH, Saliva, Dental Plaque
- Trial name
- pHSB (NCT05437874)
- Testing
- Natural Water
- Where
- Mexico
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Hospital Infantil de Mexico Federico Gomez
Bacterial Colonization
Bacterial Colonization on Nails Covered With a Methacrylic Coating
In the research, the investigators will monitor the bacterial colonization of nails coated with a methacrylic coating
- Trial name
- NCT06831305
- Testing
- Comparison of microbiological sampling on natural nails, Comparison of microbiological sampling on methacrylic nails
- Where
- Slovenia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Chronic Sinusitis
Clinical Study to Improve Diagnosis and Treatment of Sinusitis
Chronic rhinosinusitis (CRS) is the most common chronic medical condition that affects Americans between 18-44 years of age. While significant advances have been made in the understanding of the molecular pathogenesis underlying…
- Trial name
- NCT00962689
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Ohio State University
Black Staining
Comparison of Erythritol Air-Polishing and Conventional Polishing Following Ultrasonic Scaling on the Relapse of Chromogenic Tooth Staining in Children
The goal of this randomized clinical trial is to compare the effect of erythritol air-polishing and conventional polishing following ultrasonic scaling on the relapse of chromogenic tooth staining in children aged 4-13 years…
- Trial name
- NCT07730658
- Testing
- Guided Biofilm Therapy with erythritol, Conventional Polishing
- Where
- Turkey (Türkiye)
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Marmara University
Mechanical Ventilation, Pneumonia
Removal of Endotracheal Tube Secretions Comprehensively Until Extubation
The purpose of this study is to measure secretion accumulation within endotracheal tubes of mechanically ventilated patients and test the efficacy, safety and clinical impact of removing the secretions using novel airway…
- Trial name
- RESCUE (NCT00663637)
- Testing
- CAM (Complete Airway Management) Catheters
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- O. M. Neotech, Inc.
Epilepsy, Gingivitis
Air Polishing Effect on Biological, Clinical and Patient-reported Experience Among Epileptic and Non-epileptic Children
In epileptic and non Epileptic children, the full dentition of each patient was split into four quadrants, starting from the upper right quadrant (1) and moving clockwise until the lower right quadrant (4).
- Trial name
- NCT06144034
- Testing
- Air polishing with erythritol powder, Conventional treatment
- Where
- 2 sites in Jordan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- King Abdullah University Hospital
Pseudomonas Aeroginosa
mexB Efflux Pump Gene Expression, Activity and Biofilm Formation in Clinical Isolates of Pseudomonas Aeruginosa
1. Detection of expression level of mexB efflux pump gene in multidrug resistant clinical isolates of Pseudomonas aeruginosa by real time PCR(QRT-PCR). 2.
- Trial name
- NCT07469436
- Testing
- Real time PCR
- Volunteers
- 80 people
- Sponsor
- Assiut University
Dental Caries, Gingivitis
Shifts in the Oral Biofilm of Patients With Known Oral Health Risk Factors
This study is observational only and is intended to evaluate changes in the makeup and function of bacteria naturally present in the mouth during treatment with braces to straighten teeth.
- Trial name
- NCT02885064
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Pit and Fissure Sealant Retention, Dental Caries
Clinical Evaluation of the Retention of Fissure Sealants Applied Following Guided Biofilm Therapy and Conventional Polishing
This randomized split-mouth clinical trial will compare two methods of occlusal surface cleaning before pit and fissure sealant placement in children aged 6-10 years.
- Trial name
- NCT07725133
- Testing
- Device: Guided Biofilm Therapy with erythritol, Device: Conventional Polishing
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Marmara University
Multidrug Resistant Klebsiella Pneumoniae Infection
Phenotypic and Genotypic Detection of Biofilm Formation and Efflux Pump Activity in Multi-drug Resistant Klebsiella Pneumoniae
1. Sample: urine, pus and sputum samples. 2. Culture: the samples will be inoculated on the MacConkey agar and subcultured on eosine methylene blue agar. 3. Identification of isolates will be done by: Colony morphology.
- Trial name
- Klebsiella (NCT07541690)
- Testing
- Genotypic Detection of Biofilm Formation and Efflux Pump Activity.
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Infections, Nosocomial, Infections, Respiratory Tract
Antibacterial Effect of Zinc Oxide Nanoparticles on Acinetobacter Baumannii Isolated From Patients With Hospital Acquired Infections in Sohag University Hospitals, Egypt
A. baumannii is known as the most frequently isolated organism in intensive care units (ICUs), causing a variety of nosocomial infections, including pneumonia, urinary tract infections (UTIs), bacteremia as well as skin and soft…
- Trial name
- NCT06628076
- Testing
- Culture specific antibiotic therapy, Antibiotic, Biofilm assessment
- Where
- Egypt
- Volunteers
- 150 people
- Sponsor
- Sohag University
Isolation of Enterococci From Samples, Demonstration of Enterococci Antibiotic Susceptibility
Phenotypic and Genotypic Variations of Enterococcus Spp
Enterococci are Gram-positive facultative anaerobic cocci arranged in short and medium chains. Enterococci reside in the gastrointestinal tract and usually function commensally with humans.
- Conditions
- Isolation of Enterococci From Samples, Demonstration of Enterococci Antibiotic Susceptibility, Detection of Strains Enterococci Produce Biofilm, Studying Effect of Nanoparticles on Enterococci Antimicrobial Resistance
- Trial name
- NCT05751317
- Testing
- Culture, Staining:, Biochemical reactions:
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Sohag University
Problems With Dentures
Evaluation of Sodium Hypochlorite as a Denture Cleanser
The present study tried to integrate all aspects of denture care: patient satisfaction with the treatment, denture decontamination and base material defects after decontamination processing.
- Trial name
- NCT01616355
- Testing
- Sodium hypochlorite immersion
- Where
- Brazil
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Oral Disease
Effect of Different Cleaning Regimes on Biofilm Formation of Acrylic Based Removable Orthodontic Appliance
This study is to evaluate the effects of different cleaning regimes i.e. chemical and mechanical on biofilm formation of an acrylic based removable orthodontic appliance and to find out if surface modification i.e.
- Trial name
- NCT05707221
- Testing
- cleaning removable acrylic appliance with denture brush and chlorhexidine toothpaste, cleaning removable acrylic appliance with cleansing tablet, combination of mechanical and chemical cleaning
- Where
- Iraq
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Escherichia Coli Infections
Detection of Biofilm Among Uropathogenic Escherichia Coli Clinical Isolates in Suez Canal University Hospitals
This descriptive cross-sectional study will beconducted in Suez Canal University Hospitals (SCUHs) in Ismailia, Egypt. The study aims to detect Escherichia coli biofilm producers to improve prognosis and treatment and reduce…
- Trial name
- NCT06252428
- Where
- Egypt
- Volunteers
- 47 people
- Sponsor
- Suez Canal University
Staphylococcal Aureus Infection, Surgical Site Infection (SSI)
Gene Expression Analysis of Biofilm Formation and Antimicrobial Resistance in Clinical Methicillin-Resistant Staphylococcus Aureus
Staphylococcus aureus are Gram-positive cocci that asymptomatically colonize the skin and mucosal surfaces of approximately 20-30% of healthy individuals . Although they commonly exist as a harmless commensal organisms, S.
- Trial name
- NCT07796555
- Testing
- swab from lesion, Biochemical reactions, Antibiotic sensitivity
- Volunteers
- 100 people
- Sponsor
- Sohag University
Dental Plaque
A Protocol for the Use of Chlorhexidine Gluconate Saturation for the Reduction of Dental Biofilm Formation on Polymethylmethacrylate Restoration
Chlorhexidine gluconate (CHX), as an anti plaque agent, is commonly used with a variety of products. In this study we, the investigators at Hadassah Medical Organization, intend to examine the efficacy of a single dip in CHX of…
- Trial name
- NCT00259181
- Testing
- saturation of polymethylmethacrylate with chlorhexidine gluconate to reduce in vivo plaque formation
- Where
- Israel
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Healthy
Collection of Dental Plaque and Saliva for Studies of Bacterial Colonization of Teeth
This study will explore how bacteria colonize human teeth and how this process changes over the lifetime of individuals. It will include an investigation of transmission of bacteria that initiate colonization between adults and…
- Trial name
- NCT00098267
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)