Clinical trials: Ureteral Obstruction
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
Drainage of Malignant Extrinsic Ureteral Obstruction Using the Memokath Ureteral Stent
The purpose of this study is to evaluate the safety and efficacy of the Memokath 051 ureteral stent as a long-term temporary and minimally invasive means of providing ureteral drainage in the setting of malignant extrinsic…
- Trial name
- NCT00166361
- Testing
- Memokath 051 Ureteral Stent, JJ Stent
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Mayo Clinic
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, Flank Pain
Mirabegron as Medical Expulsive Therapy (MET) for Ureteral Stones and Ureteral Stent Pain
The study will be a prospective randomized double-blind placebo-controlled trial of mirabegron for medical expulsive therapy (MET) in patients with a CT (Computed Tomography) scan-proven ureteral stone between 4 to 10 mm…
- Trial name
- NCT02744430
- Testing
- Mirabegron
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Baylor College of Medicine
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 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
Ureter Stone, Renal Stone
Duration Between Drainage and Ureteroscopic Lithotripsy
This study will be conducted to compare early (seven days) versus delayed (14-21 days) definitive ureteroscopic lithotripsy after initial drainage for obstructing ureteral or renal stones associated with infection.
- Conditions
- Ureter Stone, Renal Stone, Ureteric Obstruction
- Trial name
- NCT06101563
- Testing
- Early ureteroscopy, Delayed Ureteroscopy
- Where
- Egypt
- Volunteers
- 96 people
- Sponsor
- Mansoura University
Ureteral Stent Occlusion, Exposure Laser
Recovery Following Desflurane Versus Sevoflurane for Outpatient Urologic Surgery in Elderly Females
Numerous studies demonstrate that patients have improved immediate recovery characteristics following desflurane anesthesia compared to other volatile agents, including sevoflurane.
- Conditions
- Ureteral Stent Occlusion, Exposure Laser, Ureterostomy; Functional Disturbance, Vaginal Diseases
- Trial name
- NCT01310582
- Testing
- Desflurane, Sevoflurane
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Hahnemann University Hospital
Ureteral Stent Occlusion
OPTIMAL STENTS DURING RENAL COLIC
From June 2018 to October 2018, patients from two distinct clinical centers were prospectively enrolled in the study and stratified (non-randomly) into either control group A, patients who received polyurethane stents (Rüsch…
- Trial name
- NCT04000178
- Testing
- polyurethane stent, silicone stent
- Where
- Russia
- Volunteers
- 50 people
- Sponsor
- St. Petersburg State Pavlov Medical University
Kidney Stones
Occlusion Balloon vs. 5FR Ureteral Catheter
Occlusion Balloon catheter provides the ability to occlude the exit of the kidney pelvis during percutaneous nephrolithotomy (PCNL) and potentially prevents the migration of stone fragments into the ureter.
- Trial name
- NCT06798753
- Testing
- Occlusion Balloon Catheter, 5FR Ureteral Catheter
- Where
- United States
- Volunteers
- 108 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Malignant Ureteral Obstruction
Comparison of Silicone-covered Metallic Ureteral Stent and Double-J Stent for Malignant Ureteral Obstruction
Malignant ureteral obstruction often necessitates chronic urinary diversion and is associated with high rates of failure with traditional double-J ureteral stents.
- Trial name
- NCT01823575
- Testing
- Silicone-covered metallic stent, Double-J stent
- Where
- South Korea
- Volunteers
- 78 people
- Sponsor
- Asan Medical Center
Ureteral Obstruction
Ureteral Reimplantation for the Treatment of Extrinsic Malignant Ureteral Obstruction
A single center single arm prospective study, assessing the outcome of ureteral re-implantation for malignant ureteral obstruction.
- Trial name
- NCT02160652
- Testing
- Laparoscopic ureteral re-implantation.
- Volunteers
- 50 people
- Sponsor
- Rabin Medical Center
Renal Colic
Analgesic Effect of Erector Spinae Plane Block for Renal Colic Pain
Plane blocks have become very popular in recent years with the introduction of ultrasonography into the regional anesthesia and algology practice.
- Trial name
- NCT04209439
- Testing
- 30 ml %0.25 bupivacaine, Dexketoprofen-trometamol
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Ataturk University
Pain Control, Ureteral Reimplantation
ITM vs QL for Pediatric Open Lower Abdominal Procedures
Patients between the ages of 12 months and 11 years who are undergoing an open lower abdominal procedure will be randomized to receive intrathecal morphine, or bilateral quadratus lumborum block.
- Conditions
- Pain Control, Ureteral Reimplantation, Pediatrics, Intrathecal Morphine
- Trial name
- NCT05506930
- Testing
- Intrathecal Morphine, Quadratus lumborum block
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Medical University of South Carolina
Ureteral Obstruction
Efficacy and Safety of a Covered Self-expandable Dual-layered Metallic Mesh Stent (UVENTA) in Ureteral Obstruction
The purpose of this study is to evaluate Efficacy and Safety of a covered self-expandable dual-layered metallic mesh stent (UVENTA) in ureteral obstruction.
- Trial name
- UVENTA (NCT01788865)
- Testing
- cSEMS(Covered self-expandable dual-layered metal stent) implant
- Where
- 2 sites in South Korea
- Volunteers
- 92 people
- Sponsor
- Samsung Medical Center
Ureteral Obstruction
Treatment of Symptoms After Stent Placement for Urinary Tract Obstruction
The purpose of this study is to determine whether combination therapy with Tolterodine ER and Tamsulosin is more effective than monotherapy with tamsulosin alone in reducing stent symptoms.
- Trial name
- NCT01741454
- Testing
- Tamsulosin, Tolterodine ER
- Where
- United States
- Volunteers
- 181 people
- Sponsor
- University of Wisconsin, Madison
Pelvi-Ureteric Obstruction
Barbed Versus PGA Sutures in Minimally Invasive Dismembered Pyeloplasty
The main goals of this trial is to study the feasibility and safety of using barbed sutures compared to the conventional PGA (Polyglactin) sutures in minimally invasive dismembered pyeloplasty.
- Trial name
- NCT06526559
- Testing
- Barbed suture, PGA suture
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Cairo University
Urinary Stone, Renal Colic
Radiomics and Image Segmentation of Urinary Stones by Artificial Intelligence
Kidney stone disease causes significant morbidity, and stones obstructing the ureter can have serious consequences. Imaging diagnostics with computed tomography (CT) are crucial for diagnosis, treatment selection, and follow-up.
- Conditions
- Urinary Stone, Renal Colic, Obstruction Ureter, Urosepsis
- Trial name
- RISUS_AI (NCT06412900)
- Where
- Norway
- Volunteers
- 522 people
- Sponsor
- Oslo University Hospital
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
Disorder of Urinary Stent, Ureteral Spasm
Randomized Trial of NSAID vs Placebo Prior to Ureteral Stent Removal
This study plans to learn more about whether ibuprofen can reduce pain after removal of a ureteral stent more than a placebo. Some patients experience pain after removal of a ureteral stent.
- Conditions
- Disorder of Urinary Stent, Ureteral Spasm, Ureteropelvic Junction Obstruction, Urolithiasis
- Trial name
- NCT02140970
- Testing
- Ibuprofen
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- University of Colorado, Denver