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Analysis of Microbial Biofilms in Peripheral Venous Catheters and Their Implication in Infectious Risk
Sponsor: Hôpital NOVO
Summary
Peripheral venous catheters (PVCs) are the most commonly used intravascular medical devices in healthcare establishments. Although essential in patient care, PVCs represent a significant risk factor for nosocomial infections, as shown by the results of the national prevalence survey. While the main pathophysiological mechanisms are known, the specific factors driving the transition from simple colonization to infection remain unclear. This project aims to identify the major factors involved in the occurrence of bacterial infections related to the colonization of peripheral venous catheters.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
OBSERVATIONAL
Enrollment
250
Start Date
2026-01-01
Completion Date
2027-03-28
Last Updated
2025-12-02
Healthy Volunteers
No
Conditions
Interventions
Inflammatory catheters: catheter removed because of infection at insertion site
Verification of inclusion and non-inclusion criteria (at least 2 days and at most 7 days, with or without signs of inflammation). The doctor or a qualified nurse orally informs the patient when catheter removal is planned. The information and non-opposition note are given to the patient, and the information procedure is recorded in the medical record. The catheter is removed and collected under aseptic conditions by the nurses in the various departments, in a dry sterile tube. The tube is then labelled and stored at a maximum of 4°C. The catheter is sent to the hospital's biology laboratory before being collected by the approved carrier for delivery to the ERRMECe laboratory from CYU. All tests are performed in the ERRMECe laboratory. Collected catheters are subsequently analysed to assess the bacterial diversity of biofilms using molecular biology techniques and Next-Generation Sequencing (NGS), in parallel with biofilm structural analysis microscopy using a Scanning Electron Microsc
Non-inflammatory catheters: catheter removed because it is no longer relevant to keep it in place
Verification of inclusion and non-inclusion criteria (at least 2 days and at most 7 days, with or without signs of inflammation). The doctor or a qualified nurse orally informs the patient when catheter removal is planned. The information and non-opposition note are given to the patient, and the information procedure is recorded in the medical record. The catheter is removed and collected under aseptic conditions by the nurses in the various departments, in a dry sterile tube. The tube is then labelled and stored at a maximum of 4°C. The catheter is sent to the hospital's biology laboratory before being collected by the approved carrier for delivery to the ERRMECe laboratory from CYU. All tests are performed in the ERRMECe laboratory. Collected catheters are subsequently analysed to assess the bacterial diversity of biofilms using molecular biology techniques and Next-Generation Sequencing (NGS), in parallel with biofilm structural analysis microscopy using a Scanning Electron Microsc
Locations (2)
Hopital Novo
Cergy-Pontoise, Hopital NOVO, France
CY Cergy Paris Université
Neuville-sur-Oise, France