Kidney stone removal: with or without a tube
Part of Kidney & urinary, Women’s health & pregnancy clinical trials.
This study compares two ways of doing a surgery called ureteroscopy to remove kidney stones. One method uses a special tube called a sheath, and the other doesn't. The goal is to see which approach is safer and works better.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 18 years or older.
- You have a kidney stone between 8 and 25 millimeters.
- You are scheduled for surgery to remove the kidney stone.
- You do not have a stone in the tube that carries urine from the kidney to the bladder (ureter).
- You do not have a urinary diversion (a different way for urine to leave your body).
- You do not have an active urinary tract infection or untreated cancer in the upper urinary tract.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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