Clinical trials: Flexible Ureteroscopy
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
Paediatric, Flexible Ureteroscopy
The Efficacy and Safety of Adjunctive Alpha-blocker Therapy Before Flexible Ureteroscopy in the Management of Upper Ureteric Stones in Pediatrics Group
A unique aspect of pediatric URS is the smaller ureteral diameter, which often results in failure to access the ureter during an initial URS attempt.
- Trial name
- NCT07841340
- Testing
- Tamsulosin
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Ain Shams University
Renal Stones, Flexible Ureteroscopy
Criteria for DJ Stent Omission Following Retrograde Intrarenal Surgery Using Flexible and Navigable Suction Sheath: A Prospective Cohort Study
Retrograde intrarenal surgery is widely used for the treatment of upper urinary tract stones. Traditionally, ureteral stents are placed postoperatively to prevent complications such as pain and stone obstruction.
- Trial name
- NCT07826169
- Testing
- flexible ureteroscopy using flexible and navigable suction sheath
- Where
- Egypt
- Volunteers
- 140 people
- Sponsor
- Ain Shams University
Urolithiasis, Tidal Volume
Effect of Tidal Volume on fURS Parameters
The goal of this prospective clinical trial is to evaluate how intraoperative tidal volume settings affect surgical parameters and outcomes in adult patients undergoing flexible ureteroscopy (fURS) for kidney stones.
- Conditions
- Urolithiasis, Tidal Volume, Flexible Ureteroscopy
- Trial name
- TIDAL-fURS (NCT07304297)
- Testing
- Flexible Ureteroscopy
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Tarik Emre Sener
Ureteric Stone, Flexible Ureteroscopy
Flexible vs Semi-rigid URS
To compare the efficacy, safety, success rate, operative time, and cost-effectiveness of flexible ureteroscopy versus semirigid ureteroscopy in the management of upper ureteric stones smaller than 2 cm.
- Conditions
- Ureteric Stone, Flexible Ureteroscopy, Upper Urinary Tract Stones
- Trial name
- NCT07247617
- Testing
- Flexible URS, Semi-Rigid URS
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Assiut University
Nephrolithiasis, Flexible Ureteroscopy
Bendable Suction Ureteral Access Sheath Versus Conventional Ureteral Access Sheath in Management of Renal Stones Using Flexible Ureteroscopy
Urinary calculus is a globally recognized urological condition, with prevalence rates ranging from 1% to 13% across different geographical regions (1) Therapeutic approaches for renal calculi encompass extracorporeal shock wave…
- Trial name
- NCT06862141
- Testing
- bendable suction ureteral access sheath, conventional suction ureteral access sheath
- Where
- Egypt
- Volunteers
- 172 people
- Sponsor
- Menoufia 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
Flexible Ureteroscopy
Preoperative Prediction of Flexible Ureteroscopy Outcome in the Treatment of Renal Calculi
To predict the outcome of flexible ureteroscopy in the management of renal stones based on preoperative scoring module using five preoperative parameters that have effect on stone free status postoperatively.
- Trial name
- NCT05857501
- Testing
- abdominopelvic computerized tomography (CT) without contrast
- Volunteers
- 72 people
- Sponsor
- Menoufia University
Flexible Ureteroscopy
Ureteral Access Sheath or Percutaneous Nephrostomy During Flexible Ureteroscopy: Which is Better?
we aim to compare the safety and efficacy of flexible ureteroscopy with ureteral access sheath (group A) in comparison with flexible ureteroscopy without UAS but with PCN insertion (group B) either intra or post operaively by…
- Trial name
- NCT05633030
- Testing
- using UAS during flexible ureteroscopy and using PCN during flexible ureteroscopy
- Volunteers
- 100 people
- Sponsor
- Benha University
Extracorporeal Shockwave Lithotripsy, Flexible Ureteroscopy
Flexible urétéroscopy Versus Extracorporeal Shockwave Lithotripsy in Renal Calculi
Flexible ureteroscopy is a recent procedure to treat renal stone. Extracorporeal shockwave lithotripsy was the gold standard treatment for calculi between 5 and 20 mm.
- Trial name
- CALIX-1 (NCT01604304)
- Testing
- flexible ureteroscopy, extracorporeal shockwave lithotripsy
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Hospices Civils de Lyon