Trial reportNeurourology and urodynamics2025
The Urinary Microbiome in Women Using Single-Use Versus Reusable Catheters for Intermittent Catheterization: An Exploratory Substudy of the COMPaRE Trial.
Trial report in Neurourology and urodynamics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
aimsTo characterize the urinary microbiome in women performing clean intermittent self-catheterization (CISC) and explore microbial changes associated with transitioning from single-use to reusable catheters.
methodsThis microbiome study of the COMPaRE trial included female CISC patients with urinary retention randomized to either single-use or reusable catheters. Self-catheterized urine samples were collected at baseline and Week 6 for standard culture and 16S rRNA microbiome analysis.
resultsA total of 28 patients (12 reusable, 16 single-use) were included, with a median age of 48 years (IQR 32-60); 67.9% had neurogenic lower urinary tract dysfunction. Escherichia-Shigella (36.3%) and Lactobacillus (22.8%) were the most prevalent genera. PERMANOVA identified significant effects of age (p = 0.003), menopausal status (p < 0.001), and catheterization cause (p = 0.003) on microbiome composition. Transitioning to reusable catheters was associated with significant reductions in Escherichia-Shigella (p < 0.001) and Aerococcus (p < 0.001), and increases in Veillonella (p < 0.001) and Finegoldia (p < 0.001). No significant changes were observed in urine culture results (p = 0.250), alpha diversity as measured by the Shannon index (p = 0.862), or beta diversity as assessed by Bray-Curtis distance (p = 0.096).
conclusionsEscherichia-Shigella and Lactobacillus were the most abundant genera in the urinary microbiome of women performing CISC. Age, menopausal status, and catheterization cause significantly influenced microbiome composition. Although specific microbial shifts were observed following transition to reusable catheters, no significant changes in overall microbial diversity were detected. Larger, well-powered studies are needed to validate these results and assess their potential clinical implications.
trial registrationClinical Trial RegistrationNL-OMON54700/NL8296.
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