Clinical trials: Ureter Stone
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
Urolithiasis, Ureterolithiasis
US-Non Contrast Computed Tomography Real-time Fusion for Urinary Stones Follow up
Urolithiasis is a universal problem, a large part of patients will be affected by multiple stones throughout their lifetime, with estimated recurrence rates of 75% within 20 years.
- Trial name
- NCT02539004
- Testing
- Ultrasound study
- Where
- Israel
- Volunteers
- 70 people
- Sponsor
- Rambam Health Care Campus
Kidney Calculi
Study Evaluating the Helical Ureteral Stent
The Boston Scientific Helical Stent is a unique stent designed to improve flexibility and comfort. It is designed to conform more to the shape of the ureter (hollow tube connecting the kidney and the bladder) to ultimately…
- Trial name
- NCT01739725
- Testing
- Stent insertion
- Where
- Canada
- Volunteers
- 17 people
- Sponsor
- University of British Columbia
Ureterolithiasis, Ureteral Calculi
Tamsulosin as Adjuvant Treatment Prior to Endoscopic Ureterolithotomy
This a study aiming to compare treatment with tamsulosin versus placebo in patients undergoing endoscopic treatment for urolithiasis. The main outcome is the rate of stone free patients.
- Conditions
- Ureterolithiasis, Ureteral Calculi, Urolithiasis
- Trial name
- NCT03614052
- Testing
- Tamsulosin Hydrochloride 0.4 milligrams
- Where
- Chile
- Volunteers
- 14 people
- Sponsor
- Pontificia Universidad Catolica de Chile
Kidney Stones, Nephrolithiasis
Ultrasound Imaging of Kidney Stones and Lithotripsy
The purpose of this study is to determine whether new software processing of ultrasound images can improve detection and size determination of kidney stones.
- Conditions
- Kidney Stones, Nephrolithiasis, Urolithiasis, Ureter Stones
- Trial name
- NCT02214836
- Testing
- Verasonics Data Acquisition System (VDAS)
- Where
- United States
- Volunteers
- 219 people
- Sponsor
- University of Washington
Urinary Calculi
Silent Ureteral Stone: Impact on Renal Function and Kidney Anatomy
Ureteral stones may be silent in 5.3% of patients. The goal of this study was to prospectively evaluate the impact of a silent ureteral stone on renal function.
- Trial name
- NCT01884870
- Testing
- Surgical Treatment
- Where
- Brazil
- Volunteers
- 25 people
- Sponsor
- University of Sao Paulo
Ureteral Calculi, Masturbation
Rate of Spontaneous Stone Passage as Assessed Using Urinary Ultrasonography and Direct Urinary System Radiography
To evaluate the effect of masturbation on the spontaneous expulsion of distal ureteral stones 5-10 mm in size.
- Trial name
- NCT04550559
- Testing
- Endoscopic ureterolitotripsy
- Where
- Turkey (Türkiye)
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- Avrasya 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
Renal Injury, Kidney Injury
Efficacy and Safety of Renalof® in the Removal of Calculi Smaller Than 10 mm Located in the Reno-Ureteral Tract
Given the high recurrence of urolithiasis in patients, the search for less aggressive and preventive treatments is increasingly necessary.
- Conditions
- Renal Injury, Kidney Injury, Kidney Calculi, Ureteral Obstruction
- Trial name
- NCT04695951
- Testing
- Renalof
- Where
- Nicaragua
- Volunteers
- 155 people
- Sponsor
- Catalysis SL
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
Renal Stone, Ureteral Stone
Effectiveness of Holmium and Thulium Lasers With Ureteroscopy for Urinary Lithiasis
Holmium laser is the current gold standard for lithotripsy on urinary lithiasis, while Thulium is brand new. The latter has been released in July 2020 in Europe, and only in-vitro studies have been published.
- Trial name
- LiThuHol (NCT04871984)
- Testing
- Ureteroscopy for upper tract stone treatment with Holmium laser, Ureteroscopy for upper tract stone treatment with Thulium laser
- Volunteers
- 200 people
- Sponsor
- University Hospital, Angers
Kidney Stones
A Randomized Study of Whether Alfuzosin(Xatral) Helps in the Passage of Kidney Stones
Patients who present for the first time to Emergency Room with renal colic due to a distal ureteral calculus (as diagnosed with spiral CT scan and KUB) will be randomized to receive Xatral 10mg po once a day or placebo once…
- Trial name
- NCT00583258
- Testing
- Alfuzosin (Xatral)
- Where
- Canada
- Sponsor
- Unity Health Toronto
Kidney Stone, Ureteral Calculi
Noninvasive Electrical Stimulator as a Pain Control Treatment Post-ureteroscopy
The investigators will assess the use of Transcutaneous Neurostimulation (TENS), a pharmacological alternative, for treatment of ureteral stent pain post-ureteroscopy.
- Conditions
- Kidney Stone, Ureteral Calculi, Nephrolithiasis
- Trial name
- NCT05153629
- Testing
- TENS
- Where
- United States
- Volunteers
- 41 people
- Sponsor
- Stanford University
Renal Colic, Urinary Calculi
Efficacy Study of Different Analgesic Options in Kidney Stone Pain Management
Abdominal pain is one of the most common presentations to an emergency department (ED). Among patients presenting with abdominal pain, a common diagnosis in the Middle East is renal colic (urolithiasis or Kidney stones).
- Trial name
- NCT02187614
- Testing
- Diclofenac, Morphine, Paracetamol
- Where
- Qatar
- Volunteers
- 1,645 people
- Sponsor
- Hamad Medical Corporation
Ureteral Stone
Patient Positioning for Treatment of Proximal Ureteral Stones
Ureteroscopic management of proximal ureteral stones presents technical challenges including stone retropulsion, prolonged operative time, and conversion to intrarenal treatment.
- Trial name
- NCT07601932
- Testing
- Reverse Trendelenburg Position, T-Tilt Position
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Calculous Anuria, Upper Ureteral Stone
Initial Drainage Method and Flexible Ureteroscopy Outcomes in Calculous Anuria
Calculous anuria caused by obstructing upper ureteral stones in a solitary functioning kidney is a urological emergency requiring urgent decompression.
- Conditions
- Calculous Anuria, Upper Ureteral Stone, Obstructive Uropathy, Acute Kidney Injury
- Trial name
- NCT07627880
- Testing
- Initial JJ Ureteral Stent Drainage, Initial Percutaneous Nephrostomy Drainage
- Where
- 3 sites in Egypt
- Volunteers
- 90 people
- Sponsor
- Beni-Suef University
Urolithiasis, Renal Stones
Predicting the Success of Flexible Ureterorenoscopy for Kidney and Upper Ureter Stones
This observational study aims to test how well a specific medical scoring tool, called a nomogram, can predict the success of a common minimally invasive surgery for kidney stones.
- Conditions
- Urolithiasis, Renal Stones, Upper Ureteric Stones, Urinary Stone Disease
- Trial name
- NCT07753096
- Volunteers
- 70 people
- Sponsor
- Assiut University
Ureter Obstruction
Primary Versus Deferred Ureteroscopy for Calculus Anuria in Children
To evaluate the role of both primary and deferred URS in the management of calculus anuria concerning the feasibility, clinical outcome, and cost-effectiveness in children in a comparative study
- Trial name
- NCT04980079
- Testing
- Primary ureterscopy URS, deferred ureteroscopy URS
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- South Valley University
Post Operative Pain, Urolithiasis
Intra-nasal Ketorolac for Acute Ureteral Stent-associated Pain Following Ureteroscopy for Stone Disease
Objective: To improve quality-of-life and health care delivery to patients receiving ureteral stents. Specific Aims: Evaluate the feasibility, practicality, and qualitative outcomes of utilizing intra-nasal ketorolac in patients…
- Conditions
- Post Operative Pain, Urolithiasis, Ureter Calculi, Stent Complication
- Trial name
- NCT06158620
- Testing
- intra-nasal ketorolac, oral diclofenac
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- University of Texas Southwestern Medical Center
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