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Effect of Daily Chlorhexidine Bathing and Antibiotic/PPI Stewardship on Prevention of CPE Transmission and Infection
Sponsor: Chuncheon Sacred Heart Hospital
Summary
This multicenter, cluster-randomized crossover trial aims to evaluate the effectiveness and safety of a bundled intervention-including daily chlorhexidine bathing and targeted antimicrobial and proton pump inhibitor (PPI) stewardship-for preventing colonization and infection caused by carbapenemase-producing Enterobacteriaceae (CPE) in intensive care units (ICUs) across three university-affiliated hospitals in South Korea. Each hospital will include two ICUs, randomized to either the intervention or control group for six months, followed by a crossover. The intervention group will receive daily bathing using no-rinse, 4% chlorhexidine gluconate (CHG)-impregnated washcloths along with antimicrobial and PPI stewardship focused on reducing unnecessary carbapenem and PPI use. The control group will receive standard bathing without chlorhexidine, while receiving the same stewardship interventions as the intervention group. Primary outcomes include the incidence and prevalence of CPE colonization and CPE-attributable healthcare-associated infections such as bloodstream infections, hospital-acquired pneumonia, and urinary tract infections. Secondary outcomes include evaluation of residual CHG skin concentrations, comparison with CHG minimum inhibitory concentrations (MICs) of CPE isolates, impact of feedback on adherence to bathing protocols, and assessment of adverse skin reactions to CHG bathing. Findings from this study are expected to provide evidence-based guidance on the effectiveness and feasibility of combining daily chlorhexidine bathing with no-rinse, 4% CHG-impregnated washcloths and stewardship interventions to control the spread of CPE in high-risk healthcare settings.
Official title: Effectiveness of Daily Chlorhexidine Bathing and Antibiotic and Proton Pump Inhibitor (PPI) Stewardship in Preventing Transmission and Infection Caused by Carbapenemase-Producing Enterobacteriaceae (CPE)
Key Details
Gender
All
Age Range
19 Years - Any
Study Type
INTERVENTIONAL
Enrollment
5760
Start Date
2025-07-14
Completion Date
2026-08-31
Last Updated
2025-07-23
Healthy Volunteers
No
Interventions
Daily Chlorhexidine Bathing
Daily bathing using no-rinse, 4% chlorhexidine gluconate (CHG)-impregnated washcloths will be implemented in ICUs assigned to the intervention group. The purpose is to reduce CPE colonization and infection by maintaining effective residual CHG skin concentrations. Bathing will be performed by trained nursing staff following standardized protocols.
Antimicrobial and PPI Stewardship Program
A targeted stewardship program will be implemented to reduce unnecessary carbapenem use and inappropriate proton pump inhibitor (PPI) prescriptions. The program includes audit and feedback, education of ICU physicians, and monthly monitoring of antimicrobial and PPI usage. Stewardship activities will be uniformly applied across both intervention and control ICUs.
Standard Bathing
Patients in ICUs assigned to the control group will receive standard daily bathing without the use of chlorhexidine. No CHG-containing products will be applied. This represents usual care in the participating hospitals.
Locations (3)
Chuncheon Sacred Heart Hospital, Hallym University College of Medicine
Chuncheon, Gangwon-do, South Korea
Gangneung Asan Hospital, University of Ulsan College of Medicine
Gangneung, Gangwon-do, South Korea
Wonju Severance Christian Hospital, Yonsei University Health System
Wŏnju, Gangwon-do, South Korea