Chlorhexidine to Prevent Catheter-related Urinary Tract Infection

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

30994 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-03-01

Study Completion Date

2024-04-30

Brief Summary

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The study is to investigate whether chlorhexidine (CHG)-based antiseptics is more effective to prevent catheter-related urinary tract infection (CAUTI) among inhospital patients who required Foley catheter insertion. This is a cluster-randomised, step-wedged clinical trial, in which every participated unit will used three different Foley catheter insertion protocols during the study period:

1. Iodine protocol: using 10% povidone-iodine as the primary antiseptic during Foley insertion. This is the routine practice before this study in the participated hospital, as well as many Taiwanese hospitals.
2. CHG protocol: instead of povidone-iodine solution, use 2% aqueous CHG solution as the primary disinfectant during Foley solution.
3. CHG plus protocol: additional to 2% CHG solution, added 0.5% CHG impregnated gel as the lubrication during Foley insertion.

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Detailed Description

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This is a open-labelled, cluster-randomized, step-wedged clinical trial aimed to observe the incidence if CAUTI during the designated study period (12 months for all participated units). All included units will start with the iodine protocol, which is the standard practice in the hospital, and then switched to CHG protocol than CHG plus protocol according to the results of randomization. Each unit will be randomized in to three different groups (A, B, and C):

Group A) 2 months of iodine protocol, followed by 4 months of CHG protocol, followed by 6 months of CHG plus protocol.

Group B) 4 months of iodine protocol, followed by 4 months of CHG protocol, followed by 4 months of CHG plus protocol.

Group C) 6 months of iodine protocol, followed by 4 months of CHG protocol, followed by 2 months of CHG plus protocol.

All unit will be monitored and compared for the occurrence of CAUTI, which is defined in accordance to the definition from the National Healthcare Safety Network (USCDC).

Conditions

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Urinary Tract Infections

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

SEQUENTIAL

Each enrolled units will start with iodine protocol, and then switched to CHG protocol at designated time, followed by CHG plus protocol subsequently. Each unit will be randomized in to three different groups (A, B, and C):

Group A) 2 months of iodine protocol, followed by 4 months of CHG protocol, followed by 6 months of CHG plus protocol.

Group B) 4 months of iodine protocol, followed by 4 months of CHG protocol, followed by 4 months of CHG plus protocol.

Group C) 6 months of iodine protocol, followed by 4 months of CHG protocol, followed by 2 months of CHG plus protocol.

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Long CHG Intervention

2 months of iodine protocol, followed by 4 months of CHG protocol, followed by 6 months of CHG plus protocol.

Group Type EXPERIMENTAL

Long Intervention

Intervention Type OTHER

Each unit will start with iodine protocol, which uses 10% povidone-iodine for disinfection during Foley insertion, for 2 months. After the designated duration of protocol (determined by the results of randomization), each unit will than switched to CHG protocol for 4 months, in which 2% aqueous chlorhexidine solution are used instead of iodine solution. Subsequently, in the final 6-month phase of study, each unit will than switched to CHG plus protocol, in which 0.05% CHG impregnated gel will be used alongside 2% CHG solution during Foley insertion.

Mid-length CHG Intervention

4 months of iodine protocol, followed by 4 months of CHG protocol, followed by 4 months of CHG plus protocol.

Group Type EXPERIMENTAL

Mid-length Intervention

Intervention Type OTHER

Each unit will start with iodine protocol, which uses 10% povidone-iodine for disinfection during Foley insertion, for 4 months. After the designated duration of protocol (determined by the results of randomization), each unit will than switched to CHG protocol for 4 months, in which 2% aqueous chlorhexidine solution are used instead of iodine solution. Subsequently, in the final 4-month phase of study, each unit will than switched to CHG plus protocol, in which 0.05% CHG impregnated gel will be used alongside 2% CHG solution during Foley insertion.

Short CHG Intervention

6 months of iodine protocol, followed by 4 months of CHG protocol, followed by 2 months of CHG plus protocol.

Group Type EXPERIMENTAL

Short Intervention

Intervention Type OTHER

Each unit will start with iodine protocol, which uses 10% povidone-iodine for disinfection during Foley insertion, for 6 months. After the designated duration of protocol (determined by the results of randomization), each unit will than switched to CHG protocol for 4 months, in which 2% aqueous chlorhexidine solution are used instead of iodine solution. Subsequently, in the final 2-month phase of study, each unit will than switched to CHG plus protocol, in which 0.05% CHG impregnated gel will be used alongside 2% CHG solution during Foley insertion.

Interventions

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Long Intervention

Each unit will start with iodine protocol, which uses 10% povidone-iodine for disinfection during Foley insertion, for 2 months. After the designated duration of protocol (determined by the results of randomization), each unit will than switched to CHG protocol for 4 months, in which 2% aqueous chlorhexidine solution are used instead of iodine solution. Subsequently, in the final 6-month phase of study, each unit will than switched to CHG plus protocol, in which 0.05% CHG impregnated gel will be used alongside 2% CHG solution during Foley insertion.

Intervention Type OTHER

Mid-length Intervention

Each unit will start with iodine protocol, which uses 10% povidone-iodine for disinfection during Foley insertion, for 4 months. After the designated duration of protocol (determined by the results of randomization), each unit will than switched to CHG protocol for 4 months, in which 2% aqueous chlorhexidine solution are used instead of iodine solution. Subsequently, in the final 4-month phase of study, each unit will than switched to CHG plus protocol, in which 0.05% CHG impregnated gel will be used alongside 2% CHG solution during Foley insertion.

Intervention Type OTHER

Short Intervention

Each unit will start with iodine protocol, which uses 10% povidone-iodine for disinfection during Foley insertion, for 6 months. After the designated duration of protocol (determined by the results of randomization), each unit will than switched to CHG protocol for 4 months, in which 2% aqueous chlorhexidine solution are used instead of iodine solution. Subsequently, in the final 2-month phase of study, each unit will than switched to CHG plus protocol, in which 0.05% CHG impregnated gel will be used alongside 2% CHG solution during Foley insertion.

Intervention Type OTHER

Other Intervention Names

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4-month CHG and 6-month CHG plus 4-month CHG and 4-month CHG plus 4-month CHG and 2-month CHG plus

Eligibility Criteria

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Inclusion Criteria

* Adult acute care wards or intensive care units, which primarily care for adult patients aged above 18 years.
* Currently not using chlorhexidine as disinfectants for Foley catheter insertion or routine care.
* Had patients who required Foley catheter insertion during the last 12 months prior to inclusion.
* Willing to implant measures to improve the rate of CAUTI, and to participate and follow the study protocol in our study.

Exclusion Criteria

* Units currently using chlorhexidine as disinfectants for Foley catheter insertion or routine care.
* Wards or intensive care units with patients aged below 18 years of age in their routine practice.

Eligible Sex

ALL

Accepts Healthy Volunteers

No