Clinical trials: Biofilm Formation
Dental Diseases
Investigation of Bacterial Adhesion and Bactericide Effect ex Vivo on Different Implant Restoration Materials
Investigation of bacterial adhesion and bactericide effect ex vivo on different implant restoration materials
- Trial name
- NCT04657757
- Testing
- Intraoral apparatus
- Where
- Switzerland
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
Chronic Serous Otitis Media, Simple or Unspecified
Prevalence of Mucosal Biofilm Formations in Adenoidectomy Specimens
Rationale: Bacterial biofilms are defined as an assemblage of bacterial cells enclosed in a self-produced glycocalyx matrix. Adherence on surfaces, and resistance to both antibiotic treatments and host defenses are ones of the…
- Trial name
- BOLERO (NCT01022944)
- Testing
- With chronic middle ear effusion, Without chronic middle ear effusion
- Where
- France
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Open Reduction and Internal Fixation of Extremity Fractures
MICRO Study: Detecting Bacterial Infections Related to Orthopaedic Surgical Implants
A prospective trial conducted at Shock Trauma of patients between 18 years of age and older who have sustained a fracture with metal implanted.
- Trial name
- MICRO (NCT03132246)
- Testing
- Blood draws
- Where
- United States
- Volunteers
- 260 people
- Sponsor
- University of Maryland, Baltimore
Candida Infection
Biofilm Formation and Antifungal Resistance in Candida Species
1. To determine the susceptibility pattern of our local isolated Candida strains which is essential for optimal management of fungal infection. 2. Detection of biofilm formation by conventional and molecular methods 3.
- Trial name
- NCT07245563
- Volunteers
- 300 people
- Sponsor
- Assiut 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, Oral Biofilm
Investigation of Biofilm Formation on Temporary push-on Rings of Implant Crowns
This in-vivo study investigates early (48h), mature (2 weeks) and long-term (3 months) biofilm formation and composition on temporary push-on cones (exchangeable conical rings) made of noble-alloy-based materials (Pagalinor, PA)…
- Conditions
- Dental Plaque, Oral Biofilm, Peri-implantitis
- Trial name
- NCT05122897
- Testing
- Rings made of PA (test), Rings made of TAN (control)
- Where
- Switzerland
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Dental Plaque
Effect of Provisional-Crown Surface Coating on Biofilm Formation
Auto polymerizing poly methyl methacrylate (PMMA), and light initiated resin modified PMMAs, are commonly used for fabricating provisional restorations (PRs) during prosthetic treatment 1.
- Trial name
- NCT00254345
- Testing
- coating a dental restoration material ,polymethylmethacrylate, with liquid polish resin
- Where
- Israel
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Corynebacterium Infections
Corynebacterium Spp Bone and Joint Infection: Retrospective Study of Microbiological, Diagnostic and Therapeutic Features
Corynebacterium spp have been considered as innocuous commensals of human skin, but are now accepted as important opportunistic pathogens responsible for various nosocomial infections, especially implicating foreign materials.
- Trial name
- NCT03081273
- Where
- France
- Volunteers
- 49 people
- Sponsor
- Hospices Civils de Lyon
Trauma-related Wound, Burn, Partial Thickness
Procellera® Compared to Standard of Care Treatment in Mitigating Biofilm Formation in Acute Trauma and Burn Wounds
The objective of the study is to evaluate Procellera® , a novel FDA approved antimicrobial wound dressing in a prospective, randomized, controlled clinical study.
- Trial name
- NCT04079998
- Testing
- Procellera®, Standard of Care
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- The Metis Foundation
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
Oral Leukoplakia
Candida Associated Cytokines in Oral Leukoplakia
This study aims to determine the correlation between candida and pro- inflammatory cytokines response in Oral Leukoplakia(OL) with antifungal therapy.
- Trial name
- NCT04712929
- Testing
- Fluconazole
- Where
- India
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- All India Institute of Medical Sciences
Femur Fracture, Periprosthetic Fracture of Hip
Dose-Response Association Between Cerclage Wire Number and Infection Risk
The purpose of this dual-center retrospective study is to investigate the relationship between the number of metallic cerclage wires used in femoral fracture surgery and the risk of developing deep infections.
- Conditions
- Femur Fracture, Periprosthetic Fracture of Hip, Periprosthetic Fracture of the Femur, Surgical Site Infection (SSI)
- Trial name
- C-INFECT (NCT07434258)
- Testing
- 1 Metallic Cerclage Wiring, 2 metalic cerclage wire, 3 metalic cerclage wire
- Volunteers
- 148 people
- Sponsor
- Istanbul University
Orthopedic Surgery
Biofilm Formation and Antibiotic Sensitivity Patterns
Detection of bacteria that form biofilm and its sensitivity to antibiotics in patients with surgical site infection after orthopedic surgery.
- Trial name
- NCT05181163
- Testing
- swab
- Volunteers
- 100 people
- Sponsor
- Sohag University
Dental Caries, Dental Plaque
Study of the Composition of Dental Plaque
This study will examine the composition of dental plaque-a naturally occurring substance that sticks to the teeth and can cause tooth decay and gum disease.
- Conditions
- Dental Caries, Dental Plaque, Periodontal Disease
- Trial name
- NCT00001726
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Prosthetic Joint Infection
Antibiogram and Biofilm Formation of Bacteria Causing Prosthetic Joint Infections Isolated From Assiut University Hospital
1. Setting of antibiogram in orthopedic department 2. Evaluate the production of biofilm in bacteria isolated from specimens phenotypically and genotypically.
- Trial name
- NCT05239312
- Testing
- Antimicrobial
- Volunteers
- 90 people
- Sponsor
- Assiut University
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
Biofilms, Thoracic Surgery
Biofilm on Chest Drains After Thoracic Surgery: Clinical Impact and Antibiotic Resistance
This prospective observational study aims to investigate the frequency and clinical significance of biofilm formation on thoracic chest drains used after thoracic surgery.
- Conditions
- Biofilms, Thoracic Surgery, Postoperative Infection, Antibiotic Resistance, Bacterial
- Trial name
- NCT07228598
- Testing
- Chest Drain Tip Sampling
- Where
- Turkey (Türkiye)
- Volunteers
- 165 people
- Sponsor
- Caner İşevi, MD
Detection of Type VI Secretion System in K.Pneumoniae, Detection of Relation to Ab Resistance, Biofilm
Type VI Secretion System in Klebsiella Pneumoniae
Klebsiella pneumoniae (K. pneumoniae) is an important opportunistic pathogen contributing to nosocomial and antimicrobial-resistant infections. The increasing prevalence of infections caused by multidrug-resistant K.
- Trial name
- Klebsiella (NCT05516654)
- Testing
- Routine bacteriological cultures, Identification of the organism and antibiotic sensitivity will be done by VITEK II, Detection of biofilm formation
- Where
- Egypt
- Volunteers
- 70 people
- Sponsor
- Sohag University
Respiratory Insufficiency, Ventilator-associated Pneumonia
Biofilm Formation on Different Endotracheal Tube Materials
Three endotracheal tubes (ETTs) with different surfaces properties will be studied regarding formation and structure of the biofilm formed on those ETTs.
- Trial name
- NCT02284438
- Testing
- Endotracheal tube
- Where
- Sweden
- Volunteers
- 102 people
- Sponsor
- Region Skane