Holmium vs. thulium laser for mini kidney-stone surgery
Part of Kidney & urinary, Women’s health & pregnancy clinical trials.
This study compares two lasers (holmium and thulium) used during mini PCNL surgery to remove kidney stones. If you are scheduled for this surgery and have a stone between 1 and 3 cm, you may be able to join and help doctors learn which laser works better.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are scheduled for a type of kidney stone surgery called 'mini PCNL' (a small tube goes into the kidney through your back).
- Your largest kidney stone is between 1 cm and 3 cm (about the size of a pea to a grape) on a CT scan done in the last 6 months.
- You are 21 years of age or older.
- You are not pregnant or breastfeeding.
- You do not have an untreated urinary tract infection, a bleeding disorder, or a history of chronic opioid use.
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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