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Comparative analysis of retrograde intrarenal surgery and ultra-mini percutaneous nephrolithotomy in management of 1-2 cm kidney stones: a randomized controlled trial

Comparative analysis of retrograde intrarenal surgery and ultra-mini percutaneous nephrolithotomy in management of 1-2 cm kidney stones: a randomized controlled trial

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000033476
Enrollment
Unknown
Registered
2020-06-02
Start date
2020-06-01
Completion date
Unknown
Last updated
2020-06-15

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

Conditions

Kidney stones

Interventions

Group 1:UMP
Group 2:RIRS

Sponsors

Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Patients aged older than 18 years; 2. The patients with single or multiple kidney stones, accompanied by symptoms such as low back pain, hematuria or secondary hydronephrosis, have clear operation evidence; the maximum diameter of single stone is 1-2cm, and the sum of the maximum diameter of multiple stones is 1-2cm; 3. Patients with normal important laboratory indexes; 4. Everyone needs to sign the informed consent

Exclusion criteria

Exclusion criteria: 1. Patients with anatomical abnormalities such as horseshoe kidney, duplicate kidney, ureteropelvic junction stenosis and ectopic kidney; 2. Patients with anatomic or functional solitary kidney; 3. Patients with uncontrolled urinary tract infection; 4. Patients with uncorrected coagulation dysfunction.

Design outcomes

Secondary

MeasureTime frame
Incidence of perioperative complications;Pain rating;Total medical expenses;Operation time;Changes of hemoglobin before and after operation;Postoperative hospitalization days;Quality of life score;

Primary

MeasureTime frame
Stone clearance rate;

Countries

China

Contacts

Public ContactQi Chen

Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine

chenqirji@163.com+86 13801812688

Outcome results

None listed

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