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A Multicenter Randomized Controlled Study on the Treatment of Incomplete Staghorn Renal Calculi with Needle-perc-assisted Flexible And Navigable suction ureteral access Sheath

A Multicenter Randomized Controlled Study on the Treatment of Incomplete Staghorn Renal Calculi with Needle-perc-assisted Flexible And Navigable suction ureteral access Sheath

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500098247
Enrollment
Unknown
Registered
2025-03-05
Start date
2025-03-07
Completion date
Unknown
Last updated
2025-03-10

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

Conditions

urinary stones

Interventions

N-FANS group:Needle-perc-assisted Flexible And Navigable suction ureteral access Sheath
PCNL group:Percutaneous nephrolithotomy

Sponsors

Beijing Tsinghua Changgung Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age 18 - 80 years old; 2. CT scan indicates incomplete staghorn calculi; 3. Able to complete the study in accordance with the requirements of the trial protocol; 4. Informed about the study and has signed the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Severe renal insufficiency (GFR = 2 cm) 3. Renal stone volume > 33.5 cm³ 4. Failure to exclude renal tubular acidosis, primary hyperoxaluria, primary hyperparathyroidism, or other genetic diseases or definitive metabolic disorders causing renal stones or nephrocalcinosis. 5. Congenital or structural renal abnormalities: spinal deformities, ankylosing spondylitis, horseshoe kidney, medullary sponge kidney, duplicated kidney, polycystic kidney, ectopic kidney, etc. 6. History of previous renal stone extraction surgery 7. Patients with uncontrolled urinary tract infections 8. Subjects deemed by the investigator to have other factors that make them unsuitable for participation in this trial

Design outcomes

Primary

MeasureTime frame
stone free rate;

Secondary

MeasureTime frame
renal function;operative time;Incidence of serious complications during the perioperative period;

Countries

China

Contacts

Public ContactJianxing Li

Beijing Tsinghua Changgung Hospital

ljx1@sina.com+86 133 2116 9366

Outcome results

None listed

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