About this trial
A prospective, single-blinded, randomized controlled trial conducted at a single center to compare stent related symptoms between two different stents using Ureteral Stent Symptom Questionnaire (USSQ) scores , Visual Analog Scale (VAS) pain scores.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Eligible participants were adult patients (aged 18-80 years) who underwent unilateral retrograde ureteroscopy (URS) lithotripsy for stone disease
Retrograde intrarenal surgery (RIRS) lithotripsy with planned ureteric stent insertion for urinary tract stones
Disqualifiers
Concomitant use of a-blockers, anticholinergics, corticosteroids, calcium channel blockers, and analgesics
Undergoing percutaneous nephrolithotomy, open ureteric surgery or laparoscopic ureteric surgery, including ureterolithotomy
Neurogenic bladder, Overactive bladder syndrome, and neurological and psychiatric diseases
Preoperative febrile Urinary Tract Infection (UTI)
Trial design
Parallel
Treatments tested in this trial
Regular Double J stent
DeviceRegular Double J stent
Comfi J stent
DeviceComfi J stent
Treatment groups
Trial outcomes
Primary outcomes
Stent related symptom
Comparison of Ureteral Stent Symptom Questionnaire (USSQ) scores between regular Double J stent and Comfi J stent at postoperative day 1, 7, and 14. Higher Scores means greater severity of the symptoms.
Secondary outcomes
Complication rates
Incidence of stent-related complications such as fever, stent migration, expulsion, or readmission. Early removal of stent due to stent related symptoms.
Sponsors and contacts
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Bir Hospital
Lead sponsor
Nepal Health Research Council
Collaborator
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