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The role of surgical treatment on lower pole renal stones

A prospective randomized comparison among shock wave lithotripsy, percutaneous lithotripsy and retrograde intrarenal surgery for lower calyceal stones less than 2 cm: a multicenter experience

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN55546280
Enrollment
176
Registered
2017-02-16
Start date
2010-01-01
Completion date
Unknown
Last updated
2024-04-15

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

Conditions

Renal lower calyceal stones Urological and Genital Diseases

Interventions

Patients will be randomized into three groups: Group A: SWL Group B: RIRS Group C: PCNL The randomization allocation sequence will be produced with the online free Random Allocation Software (M. Sagh

Sponsors

Humanitas Mater Domini - Castellanza
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Consecutive patients with a single LP stone with a diameter of 1 to 2 cm as measured at CT scan, that received the indication of active removal according to EAU Guidelines 2. Age between 18 and 75 years

Exclusion criteria

Exclusion criteria: 1. Presence of coagulation disorders 2. Age under 18 or over 75 years 3. Presence of acute infection (fever more than 38° C or total leucocyte count more than 15000/dl) 4. Presence of solitary kidney 5. Coexisting ureteric disease (tumour or stricture) 6. Pregnancy 7. Presence of cardiovascular or pulmonary comorbidities 8. Multiple stones 9. Steep infundibolar-pelvic angle (< 30°) 10. Longer calyx more than 10 mm 11. Narrow infundibulum (less than 5 mm) as demonstrated by contrast enhanced CT 12. Patients who refuse to give consent to the study

Design outcomes

Primary

MeasureTime frame
Stone-free rate (SFR), defined as a negative CT scan or an asymptomatic patient with stone fragments less than 3 mm and a negative urine culture, measured at 3 months

Secondary

MeasureTime frame
Peri- and post-operative complications of procedures, classified using the validated Dindo-modified Clavien System, during the hospitalization and until 3 months

Countries

Austria, England, Italy, Russian Federation, United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 8, 2026