Lying on your back vs. stomach: which is better for kidney stone surgery?

NCT ID NCT07627503

Not yet recruiting Symptom relief Sponsor: Sana'a University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study will compare two ways to position patients during surgery to remove large kidney stones. One group will lie on their back (supine), the other on their stomach (prone). Researchers want to see which position leads to fewer complications, less pain, and lower costs. The trial plans to enroll 140 adults aged 18 to 70 with kidney stones larger than 2 cm.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Surgical procedure (percutaneous nephrolithotomy in supine or prone position)
What this could lead to: If supine PCNL proves safer and less painful, it could become the preferred position for kidney stone surgery, improving recovery and reducing costs.
What could go wrong: This is a small, early-stage trial that has not yet started. Results may not apply to all patients, and surgical risks like infection or bleeding remain.

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Conditions

The condition(s) this trial relates to.

Kidney Calculi nephrolithiasis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

KIDNEY CALCULI NEPHROLITHIASIS

Contacts and locations

Locations

Al-Kuwait University Hospital

Sanaa, 13078, Yemen

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