Conduct a prospective, multi-institutional study to determine if urethral catheter insertion can be omitted after endoscopic surgery for stones.

A Randomized, Prospective, Multi-Institutional Study of the Omission of Indwelling Urethral Catheters After Transurethral Lithotripsy - STONE study (Strategy of TUL On New Evolution study)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1032220549

Enrollment

600

Registered

2022-12-29

Start date

2022-12-29

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

Kidney or ureter stone ureter stone, kidney stone

Interventions

The intervention group eliminates bladder catheter insertion after transurethral lithotripsy(TUL). The control group will have a bladder catheter insertion as usual after TUL.

D046650

bladder catheter

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Age:18 to 75 years old. Patients who have ureter or kidney stone and be able to take lithotripsy.

Exclusion criteria

Exclusion criteria: Age:under 18, or over 76 years old. Patients who can not be taken lithotripsy or general anesthesia. Patients who have disuria, dementia due to comobidities or low ADL.

Design outcomes

Primary

Measure	Time frame
To determine if there is a difference in the incidence of urinary tract infections between the intervention and control groups from the time of surgery to the end of treatment.	—

Secondary

Measure	Time frame
To determine if there is a difference in the incidence of stone free rate, pain scale, admission period between the intervention and control groups from the time of surgery to the end of treatment.	—

Contacts

Public ContactYozo Mitsui

Department of Urology, Toho university school of medicine

yozom321@gmail.com+81-3-5763-6642

Outcome results

None listed

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