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Clinical Trial Summary

The GT RACING is a study comparing the efficacy of HA-CS bladder installations with prophylactic antibiotics in the prevention of recurrent urinary tract infections (rUTI).


Clinical Trial Description

The main objective of the study is to compare efficacy between hyaluronic acid - chondroitin sulphate (HA-CS) treatment and gold standard treatment (AB prophylaxis). Study is set-up as non-inferiority, parallel group trial, with a 1:1 randomization. Study population: Female (>18rs) with at least 3 symptomatic urinary tract infections (UTI's) in the previous year with no adequate curable therapeutic options. Intervention: Intervention group (n=50): 50ml of sterile Ialuril (HA 1.6% CS 2%) weekly for 6 weeks, followed by monthly maintenance therapy for 1 year. Control group (n=50): oral nitrofurantoin 100mg daily (1dd100mg or 2dd50mg) for 1 year. In case of resistance/intolerance/allergy for nitrofurantoin alternatively trimethoprim 100mg daily will be given. During the study patients will fill-out questionnaires regarding symptoms, quality of life and use of healthcare. Furthermore urine will be collected at set timepoints. Main study parameters/endpoints: The main study parameter is the number of UTI per patient-year. Secondary parameters are time to rUTI (wks.), outcome on the global responce assessment (GRA) scale, pattern of antibiotic resistance, outcome on the patient reported outcome questionnaire, cost effectiveness and Quality-of-life. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05652374
Study type Interventional
Source Radboud University Medical Center
Contact Dick Janssen, MD, PhD
Phone +31 6 41856516
Email dick.janssen@radboudumc.nl
Status Recruiting
Phase Phase 4
Start date October 20, 2022
Completion date October 2025

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