Clinical trials: Ureteral Stones
Ureteral Calculi
Comparison of Laryngeal Masks in Urethral Cystoscopic Surgery Operations: a Prospective Randomized Clinical Study
The use of Laryngeal masks are increased.This study aimed to compare lma pro seal and baska -mask in urethral retrograde sistoscopy operations.
- Trial name
- NCT04186455
- Testing
- proseal, baska-mask
- Where
- Turkey (Türkiye)
- Volunteers
- 64 people
- Sponsor
- Kocaeli University
Urolithiasis, Kidney Stone
Standard vs Mini-PCNL for the Treatment of Stone Disease
Randomized comparison of patient outcomes following standard PCNL versus mini-PCNL.
- Conditions
- Urolithiasis, Kidney Stone, Kidney Calculi, Ureteral Calculi
- Trial name
- NCT04069013
- Testing
- PCNL
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- The Cleveland Clinic
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
Kidney Stones, Ureteral Stones
The Efficacy of Tamsulosin in the Treatment of Ureteral Stones in Emergency Department Patients
To determine if emergency department patients with acute ureteral colic pain due to a ureteral stone who are treated with tamsulosin, versus placebo, will experience a shorter time to passage of their stone or resolution of their…
- Trial name
- NCT00448123
- Testing
- Tamsulosin
- Where
- United States
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Robert Swor
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, Retrograde Intrarenal Surgery
Ureteral Stenting After Retrograde Intrarenal Surgery for Renal Stones
Several studies evaluated the benefit of a short-term external ureteral catheter (UC) compared to double-J (DJ) ureteral stent after flexible ureteroscopy (URS); the results were controversial.
- Conditions
- Kidney Stone, Retrograde Intrarenal Surgery, Ureteral Stent
- Trial name
- NCT05738304
- Testing
- Retrograde intrarenal surgery with external ureteral catheter, Retrograde intrarenal surgery with double J internal ureteral stent
- Where
- Egypt
- Volunteers
- 250 people
- Sponsor
- Al-Azhar University
Urinary Calculi, Percutaneous Nephrolithotomy
Tubeless Percutaneous Nephrolithotomy Without Reverse Insertion of a Ureteral Catheter
Percutaneous nephrolithotomy(PCNL) is a surgical method for upper urinary calculi. The advent of tubeless PCNL (without indwelling nephrostomy tube) has been proved to be safe and effective in reducing postoperative discomfort…
- Trial name
- NCT05574517
- Testing
- Without reverse insertion of a ureteral catheter
- Where
- China
- Volunteers
- 200 people
- Sponsor
- The First Affiliated Hospital of University of South China
Unilateral Ureteral Stone, Renal Stone Fragments ≤ 2mm
Feasibility Study of the Uriprene Stent Following Uncomplicated Ureteroscopy
A prospective, single-center, single-arm, trial to demonstrate safety and device performance of the ADVA-Tec Uriprene™ Degradable Temporary Ureteral Stent. This is a first-in-man clinical study in a small human population.
- Trial name
- URIPRENE (NCT02032316)
- Testing
- Post-Ureteroscopy ADVA-Tec Uriprene™ Degradable Temporary Ureteral Stent
- Where
- Canada
- Volunteers
- 8 people
- Sponsor
- Adva-Tec
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;Renal
Clinical Trial Evaluating the Efficiency of Holmium Laser Settings on Urinary Stones
The primary objective of this study is to compare the time to acceptable stone fragmentation during clinical use of the holmium laser when using energy settings 0.2J vs 0.8J.
- Conditions
- Stone Ureter, Stone;Renal, Surgery
- Trial name
- NCT03526458
- Testing
- Holmium:YAG laser
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Wisconsin, Madison
Kidney Calculi, Ureter Calculi
Naftopidil 75mg for Improving Clearance of Urinary Stones
The purpose of this study is to evaluate Efficacy and Safety of oral intake of Naftopidil 75mg once daily for the improving clearance of ureteral or renal stones.
- Trial name
- NCT02011737
- Testing
- naftopidil 75mg
- Where
- South Korea
- Volunteers
- 130 people
- Sponsor
- Samsung Medical Center
Kidney Stones, Retrograde Intrarenal Surgery
The Role of Preoperative Ureteral Diameter Measurements in Predicting Difficult Access During Retrograde Intrarenal Surgery: A Retrospective Analysis of 234 Patients
This study investigates the role of preoperative ureteral diameter measurements in predicting difficult access during retrograde intrarenal surgery (RIRS) in patients with kidney stones.
- Conditions
- Kidney Stones, Retrograde Intrarenal Surgery, Difficult Ureteral Access Prediction
- Trial name
- NCT06746779
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 234 people
- Sponsor
- Hisar Intercontinental Hospital
Kidney Stone, Ureteral Stone
High Powered Stone Dusting vs. Fragmentation and Basketing at Time of Ureteroscopy
The purpose of this study is to determine the differences in stone free results, patient side effects, and patient satisfaction between dusting vs.
- Trial name
- NCT05006937
- Testing
- Dusting, Basket extraction
- Where
- United States
- Volunteers
- 168 people
- Sponsor
- Northwestern University
Kidney Calculi
Comparing Super Pulse Fiber Thulium Laser and Holmium Laser for Ureteral Stone Fragmentation During Ureteroscopy
The goal of this prospective, multicenter, randomized controlled trial is to objectively evaluate the clinical efficacy and safety differences between superpulse thulium fiber laser (sTFL) and holmium:YAG laser (Ho:YAG) in…
- Trial name
- NCT06667557
- Testing
- Superpulse Thulium Fiber Laser (sTFL) Treatment, Holmium:YAG Laser (Ho:YAG) Treatment
- Where
- China
- Volunteers
- 136 people
- Sponsor
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Urolithiasis, Kidney Calculi
Safety and Efficacy of Traditional Versus Flexible and Navigable Suction Sheath in Retrograde Intra-Renal Stone Surgery
This study compares two techniques used during RIRS for the treatment of kidney stones measuring up to 20 mm. During RIRS, surgeons often use a device called a UAS to help pass instruments into the urinary system and to assist…
- Conditions
- Urolithiasis, Kidney Calculi, Nephrolithiasis
- Trial name
- NCT07286071
- Testing
- Retrograde intrarenal surgery using a ureteral access sheath with suction, Retrograde intrarenal surgery using a traditional ureteral access sheath
- Where
- Egypt
- Volunteers
- 140 people
- Sponsor
- Ain Shams University
Kidney Stones
Use of the PercSys MicroStent Device to Alleviate Ureteral Stone Symptoms and Hydronephrosis
Kidney stones cause severe pain. Patients with a stone lodged in the ureter (the tube that drains the bladder), require urgent treatment with a stent to relieve the blockage.
- Trial name
- NCT01637519
- Where
- 2 sites in Canada
- Volunteers
- 9 people
- Sponsor
- University of British Columbia
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
Nephrolithiasis, Ureterolithiases
Validation of Low Dose CT for Diagnosis of Urolithiasis
The investigators have developed an extremely low dose renal computed tomography (CT) protocol that on preliminary testing has an effective dose in the range of a single view abdominal radiograph.
- Trial name
- NCT03656913
- Testing
- Extremely low dose CT
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Ureteric Stones
Treatment of Upper Ureteric Stones
This study will be conducted to compare the success and complication rates of ureteroscopy, and shockwaves lithotripsy for treatment of upper ureteric stones ≤1 cm.
- Trial name
- NCT02469766
- Testing
- SWL, Semirigid URS, Flexible URS
- Where
- Egypt
- Volunteers
- 240 people
- Sponsor
- Mansoura University
Ureteral Calculi
The Predictive Value of Ureteral Jet Assessment With Ultrasound in Patients Presenting With Acute Renal Colic
This is a single institution, prospective study to evaluate the prognostic significance of renal and bladder ultrasound with ureteral jet assessment and its utility to evaluate the spontaneous stone passage rate of ureteral…
- Trial name
- NCT02577146
- Testing
- renal and bladder ultrasound with ureteral jet assessment
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- Washington University School of Medicine