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Ureter Obstruction clinical trials

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NCT ID: NCT05992363 Not yet recruiting - Renal Failure Clinical Trials

Tandem Polyurethane Stents Compared to Single Silicone Stent for Malignant Ureteral Obstruction

TSTENT
Start date: October 2023
Phase: Phase 3
Study type: Interventional

Malignant ureteral obstruction (MUO) is an extrinsic ureteral obstruction caused by malignant diseases. This study aim to compare tandem 6 Fr Percuflex™ stents and single large-caliber 8Fr silicone stent in patients with MUO. The primary endpoint is stent failure rate. The secondary endpoints are patient comfort, quality of life and overall survival.

NCT ID: NCT05858658 Completed - Child, Only Clinical Trials

Robot-Assisted Pyeloplasty in Young Children

PYEROB
Start date: November 1, 2022
Phase:
Study type: Observational

The goal of this retrospective study is to analyse the outcomes of Robot-Assisted Pyeloplasty in participants younger than 5 years old: - indication criteria - clinical symptoms - operating time - length of stay - complications - follow-up

NCT ID: NCT05640115 Recruiting - Cancer Clinical Trials

Obstruction of Malignancy: Percutaneous Renal vs Endoscopic Stent

Start date: September 22, 2023
Phase: Early Phase 1
Study type: Interventional

This research study will compare two procedures commonly used to treat urinary obstruction due to cancer. Sometimes cancer blocks one or both ureters (narrow tubes in the body that carry urine from the kidneys to the bladder). When these ureters become blocked, the body can no longer properly drain urine. This blocking of the ureters is called urinary obstruction, which can lead to kidney problems, infection, and pain. Treatment options for urinary obstruction include ureteral stent placement and percutaneous nephrostomy tube placement. Both treatment options require a doctor to place soft tubes (like a catheter) inside the body to help the ureters properly drain urine. These two treatment options have different success rates, risks, and effects on quality of life. By doing this study, researchers hope to learn which treatment option is best for individuals who develop urinary obstruction because of cancer. Participation in this research will last about 3 months.

NCT ID: NCT05265936 Not yet recruiting - Kidney Stone Clinical Trials

Is it Safe to Advance a Guidewire Through a Previously Placed Double j Stent?

Start date: March 2022
Phase: N/A
Study type: Interventional

In this prospective randomized controlled study, it is aimed to investigate the effects of guidewire advanced through a previously placed double j stent on postoperative complications, operation time and efficacy.

NCT ID: NCT04980079 Recruiting - Ureter Obstruction Clinical Trials

Primary Versus Deferred Ureteroscopy for Calculus Anuria in Children

Start date: April 1, 2021
Phase: N/A
Study type: Interventional

To evaluate the role of both primary and deferred URS in the management of calculus anuria concerning the feasibility, clinical outcome, and cost-effectiveness in children in a comparative study

NCT ID: NCT04594161 Completed - Kidney Diseases Clinical Trials

Effectiveness of Drainage by PCN vs. JJ in Patients With Symptoms of Obstructive Kidney Disease Caused by Urolithiasis

STONE
Start date: July 15, 2020
Phase: N/A
Study type: Interventional

To investigate the effectiveness of percutaneous nephrostomy catheter placement versus retrograde double J catheter placement in patients with symptoms of obstructive kidney disease (with either infection and/or pain and/or kidney function deterioration) caused by urolithiasis.

NCT ID: NCT04197583 Completed - Ureter Obstruction Clinical Trials

Double-J PLUS Postmarket Registry

Start date: February 19, 2020
Phase:
Study type: Observational [Patient Registry]

A multi-center global registry to obtain post-market safety and efficacy data on Boston Scientific Ureteral and Urinary Diversion Stents

NCT ID: NCT03709992 Suspended - Quality of Life Clinical Trials

Trospium Chloride vs Tamsulosin in Treatment of Ureteral Stent Related Symptoms:

Start date: December 18, 2020
Phase: N/A
Study type: Interventional

This study will be conducted to compare the efficacy and safety of Trospium chloride versus Tamsulosin for treatment of ureteral stent related symptoms.