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Ureter Stricture 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: NCT04250090 Recruiting - Hydronephrosis Clinical Trials

Post-Marketing Follow-Up of Long-term Type Ureteral Stent Set

Start date: July 9, 2019
Phase:
Study type: Observational

Ureteral stents have been widely used in many urological operations. Although there are several reports regarding the effectiveness of long-term ureteral stents for malignancy ureteral obstruction, ureteral stricture and urolithiasis, the experience is limited about the long-term ureteral stents made by Taiwan. The investigators have to propose the 5-year post-market survey report. Though this observation study, The investigators can further understand the clinical safety and effectiveness of placing ureteral stents