Clinical trials: Ureter Obstruction
Ureteral Obstruction, Urinary Diversion
Early Infancy Ureteral Reimplantation for Distal Ureteral Obstruction
Prospective multicenter observational study of early infancy ureteral reimplantation for distal ureteral obstruction. The study is an observation study since the investigators will not assign specific interventions to the…
- Trial name
- NCT02419339
- Testing
- Extravesical ureteral reimplantation
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of Nebraska
Ureteral Obstruction
Room Air a Safe Alternative to Dye Injection in Ureterography
The procedure began in the Thirties .Retrograde pyelography is an essential step in most endoscopic procedure. This procedure is used as an investigation, with different indication in the past and the present, to delineate the…
- Trial name
- NCT06110299
- Testing
- air injection
- Volunteers
- 24 people
- Sponsor
- Assiut University
Ureteral Obstruction
Urinary Biomarkers as Predictors on Renal Function in Congenital Hydronephrosis
The purpose of this study is to detect new urinary biomarkers that can be used as predictors on renal function in congenital hydronephrosis caused by unilateral ureteral obstruction (UUO) and to elucidate the pathophysiology of…
- Trial name
- NCT00568724
- Where
- Denmark
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Ureteral Obstruction, Neoplasms
Antibiotic Prophylaxis in Percutaneous Nephrostomy Placements and Replacements for Malignant Urinary Tract Obstruction
This study aims to find out whether taking antibiotics to prevent a urinary tract infection after a medical procedure called percutaneous nephrostomy (placement of a catheter directly into the kidney to keep it working after the…
- Conditions
- Ureteral Obstruction, Neoplasms, Acute Kidney Injury, Nephrostomy; Complications
- Trial name
- NCT06801405
- Testing
- antibiotic prophylaxis
- Where
- Brazil
- Volunteers
- 320 people
- Sponsor
- Barretos Cancer Hospital
Ureteral Obstruction
Functional MR Urography
The objective of functional Uro MR is to add to an initial morphological phase, based on T2 and T1 weighted MR sequences, a sequential contrast-enhanced acquisition allowing to obtain functional semi-quantitative parameters from…
- Trial name
- NCT00301470
- Testing
- MR urography
- Where
- 16 sites in France
- Volunteers
- 550 people
- Sponsor
- Central Hospital, Nancy, France
Ureterohydronephrosis, Ureter Obstruction
Robot-Assisted Pyeloplasty in Young Children
The goal of this retrospective study is to analyse the outcomes of Robot-Assisted Pyeloplasty in participants younger than 5 years old: indication criteria clinical symptoms operating time length of stay complications follow-up
- Conditions
- Ureterohydronephrosis, Ureter Obstruction, Child, Only
- Trial name
- PYEROB (NCT06734455)
- Testing
- Robot-Assisted Pyeloplasty
- Where
- France
- Volunteers
- 9 people
- Sponsor
- Destinval Christelle
Pelvi Ureteric Junction Obstruction or Ureteral Stricture
Buccal Mucosal Graft for the Repair of Iatrogenic Pelviureteric Junction Obstruction or Ureteric Stricture.
Prospective study to evaluate the safety and efficacy of using buccal mucosal graft for repairing complex cases of iatrogenic pelvi ureteric junction obstruction and long segment ureteric stricture disease.
- Trial name
- NCT04503330
- Testing
- buccal mucosal graft to repair iatrogenic PUJO
- Volunteers
- 20 people
- Sponsor
- Cairo University
Ureteral Stricture, Ureteral Obstruction
An Integrated Multi-omics Study on the Molecular Mechanisms of Ureteral Stricture
The goal of this observational study is to investigate the systemic pathogenesis and identify potential diagnostic biomarkers in patients with ureteral stricture and healthy volunteers.
- Conditions
- Ureteral Stricture, Ureteral Obstruction, Microbiome, Metabolomics
- Trial name
- US-MOP (NCT07409870)
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Chongqing Medical University
Urinary Tract Infection, Kidney Diseases
A Randomized Control Trial Comparing Single vs. Multiple Application of Lidocaine Analgesia Prior to Urethral Catheterization Procedures
The purpose of this study is to determine if a single application of Lidocaine gel topical anesthesia is as effective in decreasing the discomfort associated with urinary catheterization as two applications, within our pediatric…
- Conditions
- Urinary Tract Infection, Kidney Diseases, Ureteral Diseases, Ureteral Obstruction
- Trial name
- NCT00142064
- Testing
- observed levels of pain
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Children's Mercy Hospital Kansas City
Ureter Obstruction
Double-J PLUS Postmarket Registry Study
A multi-center global registry to obtain post-market safety and efficacy data on Boston Scientific Ureteral and Urinary Diversion Stents
- Trial name
- NCT04197583
- Testing
- Boston Scientific Ureteral Stents, Urinary Diversion Stent
- Where
- 10 sites in United States, Canada and 2 more
- Volunteers
- 379 people
- Sponsor
- Boston Scientific Corporation
Urolithiasis, Urologic Diseases
Effectiveness of Drainage by PCN vs. JJ in Patients With Symptoms of Obstructive Kidney Disease Caused by Urolithiasis
To investigate the effectiveness of percutaneous nephrostomy catheter placement versus retrograde double J catheter placement in patients with symptoms of obstructive kidney disease (with either infection and/or pain and/or…
- Conditions
- Urolithiasis, Urologic Diseases, Urinary Calculi, Urinary Obstruction
- Trial name
- STONE (NCT04594161)
- Testing
- Percutaneous Nephrostomy, Double J catheter
- Where
- Netherlands
- Volunteers
- 204 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
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