Clinical trials: Ureteral Stents
Ureteral Diseases
Safety and Device Performance of the Uriprene® Degradable Temporary Ureteral Stent Following Uncomplicated Ureteroscopy
A prospective, multi-center, non-randomized trial to demonstrate safety and device performance of the ADVA-Tec Uriprene® Degradable Temporary Ureteral Stent.
- Trial name
- URIPRENE (NCT04565795)
- Testing
- Uriprene® Degradable Temporary Ureteral Stent
- Where
- 4 sites in United States
- Volunteers
- 87 people
- Sponsor
- Adva-Tec
Urolithiasis
Clinical Evaluation of the Pelvic Floor Fatigue Index (PFFI)
Background: Ureteral stent-related symptoms vary considerably among patients despite similar surgical procedures and stent characteristics.
- Trial name
- PFFI (NCT07763613)
- Testing
- Ureteroscopy / Retrograde Intrarenal Surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 75 people
- Sponsor
- Trabzon Kanuni Education and Research Hospital
Urolithiasis, Stone Ureter
A Randomized Clinical Trial to Evaluate the Effectiveness of Oral Potassium Citrate in Preventing Ureteral Stent Encrustation in Patients Undergoing Ureteroscopy for Uric Acid Kidney Stones
This randomized clinical trial aims to evaluate the efficacy of oral potassium citrate in reducing ureteral stent encrustation following ureteroscopy for uric acid kidney stones.
- Trial name
- NCT06819553
- Testing
- Oral Potassium Citrate
- Where
- Egypt
- Volunteers
- 48 people
- Sponsor
- Zagazig University
Acute Calculous Anuria, Ureteral Calculi
Intravesical Aminophylline for Urgent Ureteral Stenting in Acute Calculous Anuria
Acute calculous anuria is a urological emergency caused by ureteral stone obstruction in a solitary functioning kidney or bilateral ureteral obstruction.
- Conditions
- Acute Calculous Anuria, Ureteral Calculi, Obstructive Uropathy, Acute Kidney Injury
- Trial name
- NCT07617948
- Testing
- Intravesical Aminophylline
- Where
- Egypt
- Volunteers
- 72 people
- Sponsor
- Beni-Suef University
Kidney Stone
The RELIEF™ Ureteral Stent Randomized Controlled Trial
Assessment of the backwards flow of urine from the bladder into the ureter (retrograde urine reflux) after placement of the RELIEF® Ureteral Stent using imaging of the bladder after filling it with contrast and assigning a…
- Trial name
- NCT06720740
- Testing
- RELIEF Ureteral Stent, Standard of Care Ureteral Stent
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of California, San Diego
Bladder Cancer
A Study of Surgical Techniques During Cystectomy
The purpose of this study is to look at two standard surgical techniques used during a radical cystectomy and see whether they influence outcomes such as length of stay in the hospital and infections after surgery.
- Trial name
- NCT06703476
- Testing
- Stent placement, Alvimopan
- Where
- 7 sites in United States
- Volunteers
- 530 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Ureteral Stent Placement, Kidney Stone
NSAIDs Stent Study
This is a pilot study to (1) evaluate the effect of Ketorolac on inflammatory response and its impact on stent related symptoms in patients undergoing stent placement procedure and (2) assess feasibility of recruitment…
- Trial name
- NCT03638999
- Testing
- Ketorolac Trometamol 30Mg/1mL Injection, Normal saline
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Washington University School of Medicine
Disorder of Urinary Stent
The Effect of Terazosin and Tolterodine on Ureteral Stent Related Symptoms
The aim of the investigators study is to evaluate whether alpha-blockers such as terazosin and anti-cholinergics such as tolterodine can be relieve the DJ-stent related symptoms.
- Trial name
- NCT01530243
- Testing
- Terazosine, Tolterodine, Tolterodine + Terazosin
- Where
- Iran
- Volunteers
- 104 people
- Sponsor
- Urmia University of Medical Sciences
Bacterial Colonization, Double-J Ureteral Stents
Risk Factors and Clinical Implications of Double-J Ureteral Stent Bacterial Colonization
This prospective cohort study will evaluate the risk factors associated with bacterial colonization of Double-J ureteral stents and examine its clinical implications.
- Trial name
- NCT07760792
- Where
- Egypt
- Volunteers
- 300 people
- Sponsor
- Al-Azhar University
Urinary Tract Infections, Urinary Catheterization
Ureteral Stent Exchange Abstention in Urinary Tract Infections
The Committee of Infectiology of the French Association of Urology (CIAFU) provided, for the first time in 2020, comprehensive guidelines for ureteral stent-associated urinary tract infections (USAUTI) prevention, diagnosis and…
- Trial name
- JJ-change-UTI (NCT06503588)
- Testing
- Guidelines promoting surgical abstention
- Where
- France
- Volunteers
- 300 people
- Sponsor
- Central Hospital, Nancy, France
Lower Urinary Tract Symptoms
Use of Hyoscyamine Versus Tamsulosin for Management of Ureteral Stent Irritation
The objective of this project is to compare the efficacy of hyoscyamine to tamsulosin monotherapy in treating lower urinary tract symptoms in patients with indwelling double-J ureteral stents.
- Trial name
- HyTa Stent (NCT03750656)
- Testing
- Hyoscyamine, Tamsulosin
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of Kansas Medical Center
Quality of Life
Ureteral Stent Size Measurement Study
To examine a patient's quality of life using three methods for measuring stent size: (a) direct measurement, (b) patient height, and (c) a standardized formula.
- Trial name
- NCT00919386
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- CAMC Health System
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
Urolithiasis, Shock Wave Lithotripsy
3D-CT vs Ellipsoid for JJ Stent Prediction Before ESWL
This prospective single-center study compares 3D-CT volumetry versus traditional ellipsoid formula to determine critical stone burden predicting JJ stent necessity before ESWL for 1-2 cm renal stones.
- Conditions
- Urolithiasis, Shock Wave Lithotripsy, Ureteral Stents
- Trial name
- NCT07337954
- Testing
- Extracorporeal shock wave lithotripter
- Where
- Egypt
- Volunteers
- 56 people
- Sponsor
- Ain Shams University
Stent Related Symptoms
Comparison of Alpha Blockers (Terazosin and Tamsulosin) in Reducing Ureteral Stent Related Symptoms
The goal of this clinical trial is to compare how well Terazosin, Tamsulosin and standard care (no alpha-blocker) reduce urinary symptoms after ureteral stent placement.
- Trial name
- TRAM (NCT06966804)
- Testing
- Terazosin, Tamsulosin
- Where
- 2 sites in Malaysia
- Volunteers
- 150 people
- Sponsor
- Penang Hospital, Malaysia
Overactive Bladder
Effects of Antimuscarinic Drugs on Overactive Bladder (OAB) Symptoms After Insertion of Ureteral Stents
The purpose of this study is to check whether antimuscarinics that usually broadly used in the treatment of overactive bladder symptoms are effective in the treatment of those symptoms after insertion of ureteral stents.
- Trial name
- NCT01210859
- Sponsor
- Meir Medical Center
Renal Stone, Ureteral Stone
Better Lithotripsy and Ureteroscopy Evaluation of Stenting (BLUES)
This multi-center trial is being completed to compare patient outcomes related to the Imajin silicone stent in comparison to non-silicone polyurethane stents after ureteroscopy.
- Trial name
- BLUES (NCT05026710)
- Testing
- Silicone (Coloplast Imajin Hydro) ureteral stent, Non-silicone (Polyurethane/Percuflex) ureteral stent (any manufacturer)
- Where
- 10 sites in United States
- Volunteers
- 224 people
- Sponsor
- University of Michigan
Kidney Stone, Ureteric Stone
Safety and Efficacy of Combination of Tamsulosin 0.4 mg Plus Tadalafil 5mg Versus 2.5 mg
Ureteral stenting is a common urological procedure performed to relieve obstruction and facilitate urinary drainage. Despite its effectiveness, stent-related symptoms (SRS) such as dysuria, frequency, urgency, flank pain, and…
- Trial name
- NCT07562282
- Testing
- Tamsulosin
- Where
- Egypt
- Volunteers
- 140 people
- Sponsor
- Ain Shams University
Urolithiasis, Overactive Bladder Syndrome
Comparison and Evaluation of USSQ, OABSS, and the Drainage/Anti-reflux Effect Between Three Kinds of Ureteral D-J Stents in Patients Who Underwent URL
Indwelling double-J ureteral stent (D-J stent) are routinely placed in patients who received ureteroscopic lithotripsy (URL) in Xinhua Hospital Urology Department.
- Trial name
- NCT04858750
- Testing
- Placement of ureteral D-J stent after ureteroscopic holmium laser lithotripsy
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
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