Clinical trials: Ureteral Stent Occlusion
Ureteral Stent Occlusion, Exposure Laser
Recovery Following Desflurane Versus Sevoflurane for Outpatient Urologic Surgery in Elderly Females
Numerous studies demonstrate that patients have improved immediate recovery characteristics following desflurane anesthesia compared to other volatile agents, including sevoflurane.
- Conditions
- Ureteral Stent Occlusion, Exposure Laser, Ureterostomy; Functional Disturbance, Vaginal Diseases
- Trial name
- NCT01310582
- Testing
- Desflurane, Sevoflurane
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Hahnemann University Hospital
Urolithiasis, Urologic Diseases
Effectiveness of Drainage by PCN vs. JJ in Patients With Symptoms of Obstructive Kidney Disease Caused by Urolithiasis
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…
- Conditions
- Urolithiasis, Urologic Diseases, Urinary Calculi, Urinary Obstruction
- Trial name
- STONE (NCT04594161)
- Testing
- Percutaneous Nephrostomy, Double J catheter
- Where
- Netherlands
- Volunteers
- 204 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Ureteral Obstruction
The RELIEF™ Ureteral Stent - Assessment of Retrograde Urinary Reflux and Distal Coil Bladder Position
Traditional ureteral stents are commonly used in renal and ureteral procedures, and their use is associated with many morbidities which can affect patients' quality of life.
- Trial name
- NCT03266770
- Testing
- RELIEF Stent
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- University Hospitals Cleveland Medical Center
Ureteral Obstruction
Treatment of Symptoms After Stent Placement for Urinary Tract Obstruction
The purpose of this study is to determine whether combination therapy with Tolterodine ER and Tamsulosin is more effective than monotherapy with tamsulosin alone in reducing stent symptoms.
- Trial name
- NCT01741454
- Testing
- Tamsulosin, Tolterodine ER
- Where
- United States
- Volunteers
- 181 people
- Sponsor
- University of Wisconsin, Madison
Hydronephrosis; Obstruction, Ureter, Renal Failure
Tandem Polyurethane Stents Compared to Single Silicone Stent for Malignant Ureteral Obstruction
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.
- Conditions
- Hydronephrosis; Obstruction, Ureter, Renal Failure, Malignancy, Ureter Obstruction
- Trial name
- TSTENT (NCT05992363)
- Testing
- ureteral stent\s insertion
- Where
- 2 sites in Israel
- Volunteers
- 106 people
- Sponsor
- Rabin Medical Center
Urologic Injuries, Disorder of Urinary Stent
Indwelling Stent Discoloration Project
The aim of this study is to identify the root cause for the significant discolouration of Boston Scientific Percuflex based stents.
- Conditions
- Urologic Injuries, Disorder of Urinary Stent, Kidney Calculi, Urinary Tract Obstruction Due to Specified Cause
- Trial name
- NCT02007980
- Where
- Canada
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Ureteral Stent Occlusion
OPTIMAL STENTS DURING RENAL COLIC
From June 2018 to October 2018, patients from two distinct clinical centers were prospectively enrolled in the study and stratified (non-randomly) into either control group A, patients who received polyurethane stents (Rüsch…
- Trial name
- NCT04000178
- Testing
- polyurethane stent, silicone stent
- Where
- Russia
- Volunteers
- 50 people
- Sponsor
- St. Petersburg State Pavlov Medical University
Ureteral Obstruction
Tolerance and Effectiveness of Ureteral Stents MEMOKATH ® 051 in Chronic Strictures of the Ureter
TOTEME offers to treat certain chronic strictures of the ureter with MEMOKATH 051 to assess its effectiveness, tolerance and mean durability during a 3 years follow up period.
- Trial name
- TOTEME (NCT00790686)
- Testing
- Insertion of Memokath 051
- Where
- 4 sites in France
- Volunteers
- 13 people
- Sponsor
- University Hospital, Bordeaux
Cancer, Urinary Obstruction
Obstruction of Malignancy: Percutaneous Renal vs Endoscopic Stent
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).
- Conditions
- Cancer, Urinary Obstruction, Malignancy, Urinary Dysfunction
- Trial name
- NCT05640115
- Testing
- Ureteral Stent, Percutaneous Nephrostomy Tube Placement
- Where
- United States
- Sponsor
- University of Chicago
Renal Calculi, Ureteral Obstruction
Assessment of Drug-eluting Ureteral Stent on Bacterial Adherence and Biofilm Formation
The purpose of this study is to determine the clinical effects of a triclosan stent on adherent bacteria, stent biofilms, and patient urine cultures in patients with an indwelling triclosan ureteral stent.
- Trial name
- NCT00250406
- Testing
- Ureteral Stent
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Ureteral Obstruction, Flank Pain
Mirabegron as Medical Expulsive Therapy (MET) for Ureteral Stones and Ureteral Stent Pain
The study will be a prospective randomized double-blind placebo-controlled trial of mirabegron for medical expulsive therapy (MET) in patients with a CT (Computed Tomography) scan-proven ureteral stone between 4 to 10 mm…
- Trial name
- NCT02744430
- Testing
- Mirabegron
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Baylor College of Medicine
Ureteral Obstruction
Drainage of Malignant Extrinsic Ureteral Obstruction Using the Memokath Ureteral Stent
The purpose of this study is to evaluate the safety and efficacy of the Memokath 051 ureteral stent as a long-term temporary and minimally invasive means of providing ureteral drainage in the setting of malignant extrinsic…
- Trial name
- NCT00166361
- Testing
- Memokath 051 Ureteral Stent, JJ Stent
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Mayo Clinic
Kidney Stone, Ureter Obstruction
Is it Safe to Advance a Guidewire Through a Previously Placed Double j Stent?
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.
- Conditions
- Kidney Stone, Ureter Obstruction, Stent Complication
- Trial name
- NCT05265936
- Testing
- Passing a guidewire through a double j stent, Double J stent removal and guidewire insertion
- Where
- Turkey (Türkiye)
- Volunteers
- 88 people
- Sponsor
- Ankara Training and Research Hospital
Ureter Stone, Quality of Life
Trospium Chloride vs Tamsulosin in Treatment of Ureteral Stent Related Symptoms:
This study will be conducted to compare the efficacy and safety of Trospium chloride versus Tamsulosin for treatment of ureteral stent related symptoms.
- Conditions
- Ureter Stone, Quality of Life, Ureter Obstruction
- Trial name
- NCT03709992
- Testing
- Trospium Chloride, Tamsulosin
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Mansoura University
Ureteropelvic Junction Obstruction
Indwelling Double-J Ureteral Stent Versus Externalized Modified-Salle Stent for Pyeloplasty
This prospective study, Randomized Trial of Indwelling Double-J Ureteral Stent Versus Externalized Modified-Salle Stent for Pyeloplasty will consist of four steps: 1.) Enrolling subjects in the study and signing the consent form…
- Trial name
- NCT02713633
- Testing
- internal Double-J stents, External Stent
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Rajeev Chaudhry
Ureter Obstruction
Double-J PLUS Postmarket Registry Study
A multi-center global registry to obtain post-market safety and efficacy data on Boston Scientific Ureteral and Urinary Diversion Stents
- Trial name
- NCT04197583
- Testing
- Boston Scientific Ureteral Stents, Urinary Diversion Stent
- Where
- 10 sites in United States, Canada and 2 more
- Volunteers
- 379 people
- Sponsor
- Boston Scientific Corporation
Ureteral Stenosis, Hydronephrosis
Efficacy and Safety of Allium Ureteral Stent for Treating Refractory Ureteral Stricture
To conduct a prospective, multi-center study to observe the long-term efficacy and safety of self expanding ureteral stent for treating participants with refractory ureteral stricture.
- Conditions
- Ureteral Stenosis, Hydronephrosis, Ureteral Stent Occlusion
- Trial name
- Allium (NCT05455307)
- Testing
- Allium ureteral stent
- Where
- Taiwan
- Volunteers
- 200 people
- Sponsor
- En Chu Kong Hospital
Ureteral Obstruction
Efficacy and Safety of a Covered Self-expandable Dual-layered Metallic Mesh Stent (UVENTA) in Ureteral Obstruction
The purpose of this study is to evaluate Efficacy and Safety of a covered self-expandable dual-layered metallic mesh stent (UVENTA) in ureteral obstruction.
- Trial name
- UVENTA (NCT01788865)
- Testing
- cSEMS(Covered self-expandable dual-layered metal stent) implant
- Where
- 2 sites in South Korea
- Volunteers
- 92 people
- Sponsor
- Samsung Medical Center
Ureteric Calculus, Sepsis
Percutaneous Nephrostomy Versus Stent In Sepsis Trial
Randomized control trial to compare the efficacy and safety of percutaneous nephrostomy with retrograde ureteric stenting for emergency renal decompression in cases of obstruction and sepsis associated with ureteric calculi.
- Conditions
- Ureteric Calculus, Sepsis, Hydronephrosis
- Trial name
- PERSIST (NCT02929160)
- Testing
- Percutaneous nephrostomy, Retrograde ureteric JJ stent
- Where
- 2 sites in Ireland
- Sponsor
- The Adelaide and Meath Hospital, incorporating The National Children's Hospital
Malignant Ureteral Obstruction
Comparison of Silicone-covered Metallic Ureteral Stent and Double-J Stent for Malignant Ureteral Obstruction
Malignant ureteral obstruction often necessitates chronic urinary diversion and is associated with high rates of failure with traditional double-J ureteral stents.
- Trial name
- NCT01823575
- Testing
- Silicone-covered metallic stent, Double-J stent
- Where
- South Korea
- Volunteers
- 78 people
- Sponsor
- Asan Medical Center