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A Reanalysis of the RIVUR Trial Using a Risk Classification System
Zhan Tao Wang1, Elias Wehbi2, Yasaman Alam3
1University of California, Irvine, Irvine, California; Children's Hospital of Orange County, Orange, California; Western University, London, Ontario, Canada.
The Journal of Urology
|December 5, 2017
Summary
High-risk children with vesicoureteral reflux (VUR) benefit most from continuous antibiotic prophylaxis, showing a significantly lower risk of recurrent urinary tract infections (UTIs). This suggests a targeted approach to VUR management is needed.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Clinical Trials
Background:
- The RIVUR trial demonstrated that continuous antibiotic prophylaxis reduces urinary tract infection (UTI) recurrence in children with vesicoureteral reflux (VUR).
- Current management guidelines for VUR often recommend prophylaxis for all affected children.
Purpose of the Study:
- To reanalyze RIVUR trial data using a risk stratification system.
- To identify children with VUR who are most likely to benefit from continuous antibiotic prophylaxis.
Main Methods:
- Data from 607 children in the RIVUR trial were analyzed.
- Children were stratified into low-risk and high-risk categories based on defined criteria.
- Recurrence rates of UTIs were compared between placebo and prophylaxis groups within each risk category.
Main Results:
- High-risk children on placebo had a 3.7-fold increased risk of UTI recurrence compared to those on prophylaxis.
- In high-risk children, UTI recurrence was significantly higher in the placebo group (31.5%) versus the prophylaxis group (11.4%).
- Low-risk children showed no significant difference in UTI recurrence between placebo and prophylaxis groups.
Conclusions:
- Continuous antibiotic prophylaxis provides greater benefit for high-risk children with VUR.
- A risk-based, selective approach to antibiotic prophylaxis in children with VUR is warranted.
- Findings suggest refining current indications for prophylaxis to optimize treatment outcomes.
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