Comparing Efficacy and Complication Between Prone Versus Prone-Flexed Position for Percutaneous Nephrolithotomy (PCNL)

Status

UNKNOWN

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT06624306

Enrollment

Registered

2024-10-02

Start date

2023-12-01

Completion date

2024-12-01

Last updated

2024-10-02

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

Conditions

Complication, Kidney Stone, Urolithiasis

Brief summary

Comparing Efficacy and Complication Between Prone Versus Prone-Flexed Position For Percutaneous Nephrolithotomy (PCNL)

Interventions

PROCEDUREProne PNL

Prone PNL

PROCEDUREProne-flexed PNL

Prone-flexed PNL

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

1. Staghorn calculi 2. Renal pelvis stones >2 cm 3. Lower pole stones >1.5 cm 4. SWL-resistant stones

Exclusion criteria

1. Age <18 years or Pregnancy 2. Bilateral simultaneous PCNL 3. Need for 3 percutaneous tracts intraoperative 4. Morbid obesity (BMI >40) 5. Non opaque renal stones. 6. Refuse to complete study requirements 7. Atypical bowel interposition need CT guided puncture 8. Tumour in the presumptive access tract area or Potential malignant kidney tumour

Design outcomes

Primary

Measure	Time frame	Description
Comparing the prone with the prone-flexed position for PCNL reporting complications	1 year	Outcome measures by using the clavien dindo classification system

Secondary

Measure	Time frame	Description
Assessment of stone free rate of the two groups	1 year	Outcome measures by stone fragment residual ≤ 2 mm by computed tomography (CT)

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026