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A prospective randomized controlled trial comparing a ureteral stent crossing versus not crossing the bladder midline

A prospective randomized controlled trial comparing a ureteral stent crossing versus not crossing the bladder midline - NOTCROSS trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000034067
Enrollment
128
Registered
2018-10-01
Start date
2018-10-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ureteric and renal stones

Interventions

A group that ureteral stent tail is left inside the bladder without crossing the midline. A group that ureteral stent tail is left inside the bladder crossing the midline.

Sponsors

Osaka Saiseikai Izuo Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1, Over 20 years old 2. Patients who can describe the questionnaire 3. Patients who can understand this study 4, patients undergoing TUL for upper urinary calculi

Exclusion criteria

Exclusion criteria: 1) Active urinary tract infection 2) Concomitant medication with alpha blockers, antimuscarinics, analgesics, beta-3 agonist, PDE 5 inhibitor 3) Pregnancy 8) Ureteral stent placement before TUL 9) Bilateral ureteral stenting 10) Bladder cancer 11) Prostate cancer 12) Neurogenic bladder 13) Chronic prostatitis 14) Complications during ureteroscopy such as ureteral perforation 15) Lower ureteral calculi

Design outcomes

Primary

MeasureTime frame
Difference in the change in the total points of IPSS and OABSS before and after ureteral stent placement between two groups.

Secondary

MeasureTime frame
1. Difference in change amount of each item of IPSS 2. Difference in change amount of each item of OABSS 3. Can it be a useful indicator when choosing a ureteral stent whose height is appropriate? 4. Difference in pain due to ureteral stent during ureteral stent placement

Countries

Japan

Contacts

Public ContactMakoto Taguchi

Osaka Saiseikai Izuo Hospital Department of Urology

taguchim@takii.kmu.ac.jp06-6552-0091

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026