Differences in Postoperative Symptoms With Four Ureteral Stents

Recruiting now · Not applicable

Conditions studied: Urinary Stone

In brief

This is a prospective randomized controlled trial designed to assess the differences in postoperative symptoms related to placement of a 6Fr Percuflex ureteral stents, 6Fr Tria ureteral stents, 4.8Fr Percuflex ureteral stents, and 4.8Fr Tria ureteral stents after ureteroscopy with laser lithotripsy for treatment of upper tract urinary stones. 272 participants will be enrolled and will be on study for up to approximately 10 weeks.

Key facts

Study ID

NCT06083051

Run by

University of Wisconsin, Madison

People needed

272

Starts

2024-03-21

Expected to finish

2026-12-01

Last updated by the study team

2026-06-08

Who can join

Age: 18 and older, up to 89. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients with renal or ureteral urinary stones who require endoscopic treatment and stent placement in the outpatient operating room.

You may not qualify if…

• Pregnant patients
• Patients with transplant kidneys
• Patients with irreversible coagulopathy
• Patients with known ureteral stricture disease
• Non-English speaking, vulnerable patients such as lacking of decision-making capability, prisoner, adult unable to consent, will not be enrolled.
• Patients with planned staged procedures.
• Patients who have stent placed before surgery.

Where it is running

• University of Wisconsin School of Medicine and Public Health — Madison, Wisconsin, United States (enrolling)

Full record on ClinicalTrials.gov

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