Following informed consent, all recruited patients will have a baseline non-contrast CT scan performed at the radiology department of "G. Gennimatas" hospital and reported by the same dedicated uroradiologist for evaluation of stone volume, location, and consistency. All patients will also have a free flow mid-stream urinalysis and culture before randomization. The level of pain related to stones will be evaluated in all patients with the VAS tool completed before commencement of treatment and at the end of the study. Patients with a DJ stent at study entry will also complete the mini-Ureteral Stent Symptoms Questionnaire (m-USSQ) and the PUF questionnaire completed one week into study, before commencement of treatment and at the end of the study after taking either RENALOF® or placebo. Patients with a DJ stent in situ at study entry, will have both ends of the DJ cut and send for culture during scheduled DJ stent change. Approximately 90 days after recruitment, all patients will have a follow up CT scan, done at "G. Gennimatas" hospital radiology department and evaluated by the same dedicated uroradiologist , and a mid-stream urinalysis and culture. Patients with a DJ in situ will have their catheters changed and cut ends from the distal and proximal stent coils of the removed DJ stents will be send for culture and sensitivity analysis. All patients will complete the VAS and the cohort of patients with DJ stents will complete both the mini-USSQ and PUF questionnaires. During the study period patients will be instructed to report to the research team any cases of upper or lower urinary tract infection documented with a positive urine culture and any treatment related adverse events.
Age range
18 Years
Sex
ALL
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Stone volume
Timeframe: 90 days