Retrograde intrarenal surgery
Clinical trials for Retrograde intrarenal surgery explained in plain language.
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Can a One-Day catheter beat the stent for kidney stone recovery?
Disease control Recruiting nowThis trial compares two ways to drain urine after surgery to remove kidney stones: a one-day external catheter versus a double-J internal stent. The goal is to see which method leads to better stone clearance, fewer complications, and less discomfort. Adults undergoing this type …
Matched conditions: RETROGRADE INTRARENAL SURGERY
Sponsor: Al-Azhar University • Aim: Disease control
Last updated Aug 26, 2026 00:00 UTC
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New combo therapy may simplify kidney stone removal
Symptom relief Recruiting nowThis study tests if taking tamsulosin before surgery or using aminophylline during surgery helps doctors place a tube needed for kidney stone removal. About 322 adults with small kidney stones will be randomly assigned to receive one or both medications or placebos. The goal is t…
Matched conditions: RETROGRADE INTRARENAL SURGERY
Phase 2 • Sponsor: Beni-Suef University • Aim: Symptom relief
Last updated Jun 27, 2026 13:01 UTC
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Which kidney stone surgery is safer for your ureter? a large study investigates
Knowledge-focused Recruiting nowThis study looks back at adults who had surgery for kidney stones up to 20 mm, comparing those who had a ureteral access sheath placed during the procedure with those who did not. The goal is to see whether using the sheath affects the risk of developing a narrowed ureter or hydr…
Matched conditions: RETROGRADE INTRARENAL SURGERY
Sponsor: Al-Azhar University • Aim: Knowledge-focused
Last updated Aug 20, 2026 00:00 UTC