Clinical trials: Ureteral Access Sheath
Nephrolithiasis
Trial of Tadalafil, Tamsulosin and Combination for Access Sheath Deployment
Extensive literature exists on the use of alpha-blocker medications for the removal of kidney stones. Alpha blockers relax certain muscles and help small blood vessels remain open.
- Trial name
- NCT03229889
- Testing
- Cialis 5Mg Tablet, Flomax 0.4Mg Capsule, Cialis + Flomax
- Where
- United States
- Volunteers
- 220 people
- Sponsor
- University of California, Irvine
Urolithiasis
Renal Stone Treatment Global Registry
This is an international prospective data registry to assess the treatment outcomes and complications of different treatment approaches for different surgical treatment of urolithiasis.
- Trial name
- NCT05297331
- Where
- 3 sites in Hong Kong
- Volunteers
- 3,000 people
- Sponsor
- Chinese University of Hong Kong
Stone;Renal, Stone, Urinary
Comparison Between Two Methods for Renal Stone Treatment Mini Percutaneous Nephrolithotomy and Flexible Ureteroscopy With Suction Sheath
This study aims to compare the efficacy and safety of two modern, minimally invasive surgical techniques for the removal of kidney stones: Mini-Percutaneous Nephrolithotomy (Mini-PCNL) and Flexible Ureteroscopy (FURS) with…
- Conditions
- Stone;Renal, Stone, Urinary, Stone, Kidney, Stone Clearance
- Trial name
- mini-PCNL/FANS (NCT07306819)
- Testing
- mini-percutaneous nephrolithotomy, Flexible Uerteroscopy with Tip-Bendable Suction Sheath
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Ain Shams University
Kidney Stone, Retrograde Intrarenal Surgery (RIRS)
MIRABEGRON AND UAS OUTCOMES DURING RIRS
The aim of this study is to evaluate whether there is a difference in the passage rate of the ureteral access sheath between patients who used mirabegron (a beta-3 receptor agonist) for overactive bladder and those who underwent…
- Conditions
- Kidney Stone, Retrograde Intrarenal Surgery (RIRS), Ureteral Access Sheath
- Trial name
- NCT07566416
- Testing
- Retrograde intrarenal surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 131 people
- Sponsor
- Ankara Training and Research Hospital
Urolithiasis, Tamsulosin
Medication Facilitated Ureteral Access Sheath Deployment During Ureteroscopy: The Impact of One Week of Preoperative Tamsulosin
The goal of this clinical trial is to assess whether tamsulosin given one week prior to renal or ureteric stone surgery would improve the success rate of ureteral access sheath deployment and decrease ureteral injury
- Conditions
- Urolithiasis, Tamsulosin, Pre-operative, Ureteral Access Sheath Placement
- Trial name
- NCT07847866
- Testing
- Tamsulosin 0.4 MG, Control
- Where
- 2 sites in Singapore
- Volunteers
- 111 people
- Sponsor
- Singapore General Hospital
Kidney Stones, Nephrolithiasis
Effect of Complete Suction-Induced Collapse of the Renal Collecting System at the End of RIRS on Early Postoperative Outcomes
The purpose of this study is to evaluate whether actively suctioning the renal collecting system to induce a "collapse" state at the end of retrograde intrarenal surgery (RIRS) can reduce postoperative pain and infection in…
- Conditions
- Kidney Stones, Nephrolithiasis, Renal Calculi
- Trial name
- NCT07535281
- Testing
- Complete suction-induced collapse, Standard RIRS with natural drainage
- Where
- South Korea
- Volunteers
- 90 people
- Sponsor
- Kangdong Sacred Heart Hospital
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
Urolithiasis
Effect of Use of Ureteral Access Sheath on Levels of Netrin-1 in Patients Undergoing RIRS
In this study, it is aimed to evaluate whether use of a ureteral access sheath (UAS) during retrograde intrarenal surgery (RIRS) due to kidney stone has any effect on protecting the kidney functions by measuring blood and urine…
- Trial name
- NCT02533414
- Testing
- RIRS with UAS, RIRS without UAS
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Selcuk University
Kidney Stone
RIRS With Tip Flexible Pressure-controlling Ureteral Access Sheath Versus Mini PCNLfor Kidney Stones
The goal of this observational study is to compare the safety and efficacy between RIRS with tip flexible pressure-controlling ureteral access sheath and mini percutaneous nephrolithotripsy（PCNL） for the treatment of 2-3-cm…
- Trial name
- NCT06209931
- Testing
- RIRS
- Where
- China
- Volunteers
- 160 people
- Sponsor
- The Affiliated Ganzhou Hospital of Nanchang University
Nephrolithiasis, Kidney Stone
ClearPetra™ Vacuum-assisted Ureteral Access Sheath vs Traditional Approach
Ureteroscopy has been considered the best approach when treating renal stones smaller than 2 cm. This procedure is usually performed together with ureteral access sheaths, which helps protect the ureter mucosa and lowers…
- Trial name
- VA-UAS vs trad (NCT06547632)
- Testing
- ClearPetra Ureteral access sheath
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- University of Kansas Medical Center
Ureteric Stone
Ideal Time of Stenting Prior to Ureteral Access Sheath for Stone Disease
The miniaturization of endourological instruments and improvements in laser lithotripsy have revolutionized the approach to renal stones .
- Trial name
- NCT06761378
- Testing
- Renal stent, Flexible uretroscopy
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Menoufia 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
Urolithiasis, Nephrolithiasis
Access Sheaths With Aspiration for Renal RetrOgrade Surgery, Randomized CompArative Outcomes
The goal of this clinical trial is to learn whether the ClearPetra ureteral access sheath (Coloplast) is more effective than the Navigator ureteral access sheath (Boston Scientific) in treating intrarenal kidney stones of 1-3 cm…
- Conditions
- Urolithiasis, Nephrolithiasis, Kidney Calculi, Ureteroscopy
- Trial name
- ARROCA01 (NCT07678255)
- Testing
- ClearPetra ureteral access sheath, Navigator ureteral access sheath
- Where
- Spain
- Volunteers
- 156 people
- Sponsor
- Hospitales Universitarios Virgen del Rocío
Pediatric Renal Stones
Efficacy and Safety of Flexible Ureteroscopy With Flexible Navigable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy With Vacuum-Assisted Access Sheath
Mini-percutaneous nephrolithotomy (mini-PCNL) and retrograde intrarenal surgery (RIRS) are both effective treatment modalities for renal calculi measuring up to 2.5 cm in pediatric patients, demonstrating similar efficacy and…
- Trial name
- NCT07763743
- Testing
- Flexible Ureteroscopy
- Where
- Egypt
- Volunteers
- 72 people
- Sponsor
- Ain Shams University
Kidney Stone, Ureteral Stone
Access Sheath and Stent Trial
The study is being completed to compare patient reported outcomes for stent omission vs. placement after using a ureteral access sheath for uncomplicated ureteroscopy.
- Trial name
- ACCENT (NCT07297953)
- Testing
- Surveys
- Where
- United States
- Volunteers
- 184 people
- Sponsor
- University of Michigan
Urolithiasis
COMPARISON OF FANS VS CONVENTIONAL URETERAL ACCESS SHEATH in RIRS on POSTOPERATIVE ACUTE KIDNEY INJURY
Kidney stone disease is a common condition, and retrograde intrarenal surgery (RIRS) is a minimally invasive procedure frequently used to remove kidney stones.
- Trial name
- FANS (NCT07685587)
- Testing
- flexible and navigable ureteral access sheath, conventional ureteral access sheath
- Where
- Turkey (Türkiye)
- Volunteers
- 108 people
- Sponsor
- Namik Kemal University
Kidney Calculi, Urolithiasis
Antibiotic Irrigation and Suction Ureteral Access Sheath in RIRS
Retrograde intrarenal surgery (RIRS) is a widely used treatment for kidney stones; however, postoperative infectious complications remain a significant concern.
- Conditions
- Kidney Calculi, Urolithiasis, Urinary Tract Infections
- Trial name
- NCT07655050
- Testing
- Standard Retrograde Intrarenal Surgery, Gentamicin Irrigation, Suction-Enabled Ureteral Access Sheath
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 180 people
- Sponsor
- Hitit University
Urolithiasis, Kidney Stone
Flexible Ureteroscopy With Tip-bendable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for Treatment of 2-3cm Renal Stones
Background: Percutaneous nephrolithotomy (PCNL) is the first-line treatment for renal stones larger than 2 cm according to EAU and AUA guidelines.
- Trial name
- NCT06526390
- Testing
- f-URS, mini-PCNL
- Where
- China
- Volunteers
- 720 people
- Sponsor
- The First Affiliated Hospital of Guangzhou Medical University
Renal Stones
Ureteroscopic Lithotripsy for Renal Stones Using a Sheathless Approach or Using a Flexible and Navigable Ureteral Access Sheath (FANS)
The primary aim of the study is to compare stone free rates following ureteroscopic (URS) lithotripsy for renal stones with Thulium Fiber Laser (TFL) using a sheathless approach (low power laser settings) or using a flexible and…
- Trial name
- NCT07741084
- Testing
- Sheathless URS, FANS, low power, FANS, high power
- Where
- Norway
- Volunteers
- 225 people
- Sponsor
- Haukeland University Hospital
Kidney Stones
Flexible Ureteroscopy With a Flexible and Navigable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for 1-2 cm Lower Pole Kidney Stones
This study, known as the FLAME Trial (Flexible ureteroscopy for Lower pole stones And Mini-pErcutaneous nephrolithotomy), is an international, multicenter, randomized, non-inferiority trial.
- Trial name
- FLAME (NCT07159035)
- Testing
- Flexible ureteroscopy with FANS, Mini-percutaneous nephrolithotomy (mini-PCNL)
- Where
- China
- Volunteers
- 640 people
- Sponsor
- The First Affiliated Hospital of Guangzhou Medical University