The application of triangular ureteral stent after flexible ureteroscopic lithotripsy: a multicenter prospective study

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR1800014947

Enrollment

Unknown

Registered

2018-02-25

Start date

2018-03-01

Completion date

Unknown

Last updated

2018-02-26

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

Conditions

Urinary Stone

Interventions

Intervention group:triangular ureteral stent after surgery

control group: cylindrical ureteral stent after surgery

Eligibility

Sex/Gender

All

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-80 years old; 2. kidney stone<2cm,upper ureteral stone<1.5cm(Hydronephrosis<2cm); 3. no history of kidney open surgery or PCNL.

Exclusion criteria

Exclusion criteria: 1. Renal caculous diverticular stone; 2. Congenital or structural abnormalities of the kidney: horseshoe kidney/sponge kidney / polycystic kidney /ectopic kidney; 3. Patients with history of severe cardiocerebrovascular disease or pulmonary disease; 4. Patients with uncontrolled urinary infection; 5. Patients taking anticoagulant therapy; 5. Uncontrolled anticoangulating drugs.

Design outcomes

Primary

Measure	Time frame
Stone free rate one month after surgery;	—

Secondary

Measure	Time frame
Complications;	—

Countries

China

Contacts

Public ContactJianxing Li

Beijing Tsinghua Changgung Hospital

ljx1@sina.com+86 13321169366

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026