Clinical trials: Ureteral Stones
Urinary Calculi
A Prospective Multicenter Randomized Controlled Trial of Flexible And Navigable Suction Ureteral Access Sheath Combined With Needle Perc for the Treatment of Partial Staghorn Renal Calculi
The goal of this clinical trial is to learn if flexible and navigable suction ureteral access sheath combined with needle perc works to treat partial staghorn renal calculi. It will also learn about the safety of drug ABC.
- Trial name
- NCT06914986
- Testing
- Performed flexible and navigable suction ureteral access sheath combined with needle perc, PCNL
- Volunteers
- 344 people
- Sponsor
- Beijing Tsinghua Chang Gung Hospital
Kidney Calculi, Kidney Stones
Comparison of Vacuum-Assisted and Conventional Ureteral Access Sheath in Retrograde Intrarenal Surgery
This study aims to compare the efficacy and safety, the ratio of stone-free rates, and complications of two types of access sheaths used in retrograde intrarenal surgery to treat upper urothelial stones.
- Trial name
- NCT06684756
- Testing
- Retrograde intrarenal surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people
- Sponsor
- Namik Kemal University
Ureterolithiasis, Ureteral Calculi
Evaluation of Tamsulosin in the Treatment of Ureteral Stones
Ureteral stones have an important place in daily urological practice, usually causing acute episodes of ureteral colic by obstructing the urinary tract.
- Trial name
- TAMSULOSINE (NCT00151567)
- Testing
- Tamsulosin
- Where
- 6 sites in France
- Volunteers
- 129 people
- Sponsor
- Rennes University Hospital
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
Flexible Ureteroscopy, Ureteral Access Sheath
Flexible Ureteroscopy With and Without Ureteral Access Sheath in Treatment of Large Renal Stones
The aim of this study is to evaluate the flexible ureteroscope (FURS) technique with and without ureteral access sheath (UAS).
- Conditions
- Flexible Ureteroscopy, Ureteral Access Sheath, Large Renal Stones
- Trial name
- NCT06122129
- Testing
- Flexible ureteroscope with ureteral access sheath, Flexible ureteroscope without ureteral access sheath
- Where
- Egypt
- Volunteers
- 84 people
- Sponsor
- New Valley University
Urolithiasis
Effect of Ureteral Access Sheath Use on Postoperative Pain Level in Patients Undergoing RIRS
This study will include patients aged between 18 and 70 who will undergo retrograde intrarenal surgery (RIRS) due to renal stone(s).
- Trial name
- NCT02501525
- Testing
- RIRS with ureteral access sheath, RIRS without ureteral access sheath
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Selcuk University
Kidney Stone, Ureter Stone
Long Pulse Versus Short Pulse Laser Dusting for Renal Stones
The purpose of this research study is to compare how well two treatments work for removing kidney stones. The two study groups include ureteroscopy with long/short pulse lithotripsy to remove kidney stones.
- Conditions
- Kidney Stone, Ureter Stone, Renal Stone
- Trial name
- NCT03608098
- Testing
- Short Pulse Duration, Long Pulse Duration
- Where
- United States
- Sponsor
- Wake Forest University Health Sciences
Stone Ureter, Stone, Kidney
Silodosin in Facilitating Flexible Uretroscopy
This study aims to provide robust evidence on whether a specific, potent pre-operative medication (silodosin) can make the critical step of ureteral access (UAS placement after dilation) easier and safer during f-URS for kidney…
- Trial name
- NCT07068087
- Testing
- Preoperative sioldosin to facilitate ureteric access sheath insertion in RIRS
- Where
- Egypt
- Volunteers
- 42 people
- Sponsor
- Ain Shams University
Nephrolithiasis, Kidney Calculi
Ureteral Access Strategies in Retrograde Intrarenal Surgery
Retrograde intrarenal surgery (RIRS) is a standard minimally invasive treatment for kidney stones up to 20 mm. During the procedure, irrigation fluid raises the pressure inside the kidney and laser energy raises the fluid…
- Conditions
- Nephrolithiasis, Kidney Calculi, Retrograde Intrarenal Surgery, Flexible Ureteroscopy
- Trial name
- NCT07898020
- Testing
- Flexible and navigable suction ureteral access sheath, Conventional ureteral access sheath, Sheathless flexible ureteroscopy
- Where
- Turkey (Türkiye)
- Volunteers
- 129 people
- Sponsor
- Ondokuz Mayıs University
Kidney Stone, Kidney Calculi
Comparison of Lithotripsy Urolithiasis Machines
A comparison on the outcomes of patients undergoing shockwave lithotripsy using the Storz machine versus the Dornier machine.
- Conditions
- Kidney Stone, Kidney Calculi, Ureteral Calculi, Ureterolithiasis
- Trial name
- CoLUM (NCT04069338)
- Testing
- Lithotripter
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- The Cleveland Clinic
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
Ureter Stone
Does Tamsulosin Facilitate Semi-rigid Ureteroscopic
Ureteric calculi are one of the most common reasons for frequent Urolithiasis. The estimated prevalence is 8-13% of all calculi.
- Trial name
- NCT04602403
- Testing
- rigid ureteroscopy
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Assiut University
Acute Obstructive Nephropathy
Primary Ureteroscopy for Acute Obstructive Nephropathy Due to Ureteral Stones: A Prospective Non-randomized Feasibility and Safety Trial
Ureteroscopy (URS) is a widely used minimally invasive procedure for the management of ureteral and renal stones (1). While the procedure is generally safe and effective, patient factors such as renal function, operative time…
- Trial name
- NCT07177313
- Testing
- Ureteroscopy
- Volunteers
- 60 people
- Sponsor
- Assiut University
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
Ureteral Calculi, Hydronephrosis
Evaluating Ureteral Length Using Computed Tomography (CT)
Proper selection of ureteral stent length might help in reducing comorbidities associated with ureteral stenting, currently there is no standardized way of measuring ureteral length.
- Conditions
- Ureteral Calculi, Hydronephrosis, Ureteral Obstruction
- Trial name
- URO-Y-2 (NCT01542593)
- Testing
- Ureteral catheterization - Cook Urological Inc. open end ureteral catheter 5FR
- Where
- Israel
- Volunteers
- 53 people
- Sponsor
- Carmel Medical Center
Kidney Stone
Effect of Tamsulosin on Stone Expulsion and Pain Resolution in ED Patients With Ureterolithiasis
Tamsulosin (Flowmax)is approved by the FDA for the treatment for enlarged prostate. Several studies regarding the use of Tamsulosin for the treatment of lower kidney stones have been carried out in the non-Emergency Department…
- Trial name
- Flowmax (NCT00762424)
- Testing
- Flowmax
- Where
- United States
- Volunteers
- 53 people
- Sponsor
- WellSpan Health
Urolithiasis
Differences in Urine NGAL Levels in Patients Undergoing RIRS With or Without Ureteral Access Sheath
This study will include patients aged between 18 and 65 who will undergo retrograde infrarenal surgery (RIRS) due to renal stone(s).
- Trial name
- NCT02485002
- Testing
- RIRS with ureteral access sheath, RIRS without ureteral access sheath
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Selcuk University
Children, Obstructive Uropathy
Ureteral Stents Versus Percutaneous Nephrostomy for Initial Urinary Drainage
To compare percutaneous nephrostomy (PCN) versus double J stent (JJ) as an initial urinary drainage in children
- Conditions
- Children, Obstructive Uropathy, Acute Renal Failure, Ureteric Stones
- Trial name
- NCT02055430
- Testing
- percutaneous nephrostomy insertion, bilateral double J ureteric stent, Definitive stone management
- Where
- Egypt
- Volunteers
- 90 people
- Sponsor
- Cairo University