Study on the efficacy and safety of flexible ureteroscopy without reserved D-J tube in the treatment of 2-3 cm renal calculi

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2200065190

Enrollment

Unknown

Registered

2022-10-31

Start date

2022-11-01

Completion date

Unknown

Last updated

2023-05-15

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

Conditions

renal calculi

Interventions

Flexible ureteroscopy group:Flexible ureteroscopy lithotripsy

Percutaneous Nephrolithotomy group:Percutaneous Nephrolithotomy

Eligibility

Sex/Gender

All

Age

18 Years to 75 Years

Inclusion criteria

Inclusion criteria: Unilateral and solitary renal calculi with a maximum diameter of 2 ~ 3cm were found in the age range of (18, 75) years.

Exclusion criteria

Exclusion criteria: ? Known ureteral stricture, severe malformation and abnormal renal anatomy; ? Complicated with severe urinary tract infection or pyonephrosis, severe hydronephrosis, coagulation dysfunction and other diseases; ? Severe cardiopulmonary disease, unable to tolerate surgery; ? Refusing to sign the informed consent form.

Design outcomes

Primary

Measure	Time frame
stone-free rate;	—

Countries

China

Contacts

Public ContactHongchao Dong

122652901@qq.com15276486369

Outcome results

None listed

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