Clinical trials: Stone, Kidney
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
Nephrolithiasis
Kidney Stone Structural Analysis By Helical Computed Tomography (CT)
Current practices of the diagnosis of urinary stones gives little information on the probable fragility of stones using shock wave lithotripsy (SWL), and many patients receive more SW's than is necessary to break up their stones.
- Trial name
- NCT00169780
- Testing
- High definition helical CT (64 head scanner)
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Indiana Kidney Stone Institute
Renal Calculi, Postoperative Pain
Efficacy of Liposomal Bupivacaine for Pain Control After Percutaneous Nephrostolithotomy
Percutaneous nephrostolithotomy (PCNL) is a common endoscopic procedure performed for upper urinary tract calculus disease. Despite being minimally invasive, it is associated with significant postoperative pain, often…
- Trial name
- NCT03043027
- Testing
- liposomal bupivicaine, Bupivacaine, Saline Solution
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Northwell Health
Kidney Stones, Kidney Calculi
Endogenous Oxalate Synthesis in Idiopathic Calcium Oxalate Kidney Stone Disease
The goal of this clinical trial study is to test if patients with idiopathic calcium oxalate kidney stones have an increased production of oxalate by the body, which would lead to increased urinary excretion of oxalate.
- Conditions
- Kidney Stones, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate
- Trial name
- NCT06989320
- Testing
- Low-oxalate diet and glycolate dosing, Oral glycolate dosing, Oral 13C- ascorbic acid dosing
- Where
- 2 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Kidney Stone
Effect of Tamsulosin on Stone Expulsion and Pain Resolution in ED Patients With Ureterolithiasis
Tamsulosin (Flowmax)is approved by the FDA for the treatment for enlarged prostate. Several studies regarding the use of Tamsulosin for the treatment of lower kidney stones have been carried out in the non-Emergency Department…
- Trial name
- Flowmax (NCT00762424)
- Testing
- Flowmax
- Where
- United States
- Volunteers
- 53 people
- Sponsor
- WellSpan Health
Ureteral Diseases
Daily Versus Twice Per Day Tamsulosin for Ureteral Stent Symptoms
A single-center prospective, randomized study to assess two different dosing regimens (0.4 mg QD vs. 0.4 mg BID) of tamsulosin for ureteral stent-related discomfort will be completed.
- Trial name
- NCT03799120
- Testing
- Tamsulosin BID
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Gundersen Lutheran Medical Foundation
Vitamin D Deficiency, Osteopenia
Monitored vs Standard Supplementation of Vitamin D in Preterm Infants
The purpose of this study is to determine wheather the monitored vitamin D (vit D) therapy is safer and more effective than standard therapy in pretrem infants.
- Conditions
- Vitamin D Deficiency, Osteopenia, Nephrolithiasis, Drug Overdose
- Trial name
- MOSVID (NCT03087149)
- Testing
- monitored vit D supplementation, standard vit D supplementation
- Where
- Poland
- Volunteers
- 109 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Urinary Tract Infection Bacterial, Nephrolithiasis
Blood Parameters as a Predictor of Fever After Percutaneous Nephrolithotomy
To investigate the relationship between neutrophil count, lymphocyte count, neutrophil-to-lymphocyte count ratio (NLR), and postoperative fever in patients undergoing percutaneous nephrolithotomy (PNL).
- Trial name
- NCT03774940
- Testing
- peripheric blood count
- Where
- Turkey (Türkiye)
- Volunteers
- 519 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Kidney Stone Prevention
Protein Sources Urinary Stone Risk
Prior studies have shown that the source of dietary protein can have a significant impact on urinary stone risk. However, whey and plant protein isolates have not been compared.
- Trial name
- NCT05460247
- Testing
- Protein
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Stone, Kidney
Effectiveness of Self-posturotherapy on the Elimination of Residual Fragments After Treatment of Lower Calyx Urinary Stones by Extracorporeal Lithotripsy or Retrograde Flexible Ureteroscopy.
The main objective of this study is to evaluate the effectiveness of an auto posturotherapy technique on the RFS at three months of patients treated for lower calyceal urinary stones by extracorporeal lithotripsy (ECL) or…
- Trial name
- ALUR (NCT06793540)
- Testing
- SELF POSTUROTHERAPIE
- Where
- 2 sites in France
- Volunteers
- 216 people
- Sponsor
- GCS Ramsay Santé pour l'Enseignement et la Recherche
Kidney Stone
Evaluation of the Efficacy and Safety of Unimodal Bilateral Flexible Ureteroscopy.
This is a prospective controlled study to compare the efficacy and safety of two methods of flexible urethroscopy in patients with urolithiasis, as well as the effect of surgery on quality of life.
- Trial name
- NCT05591716
- Testing
- Bilateral same-session flexible ureterorenoscopy, Unilateral same-session flexible ureterorenoscopy
- Where
- Russia
- Volunteers
- 86 people
- Sponsor
- St. Petersburg State Pavlov Medical University
Renal Stone, Percutaneous
Erector Spinae Versus Paravertebral in Pediatric PCNL
To compare the efficacy of ultrasound-guided erector spinae plane block versus ultrasound-guided paravertebral block in pediatric patients undergoing percutaneous nephrolithotomy
- Conditions
- Renal Stone, Percutaneous, Nephrolithotomy
- Trial name
- NCT05589649
- Testing
- Erector spinae plane block, Paravertebral block
- Where
- Egypt
- Volunteers
- 56 people
- Sponsor
- Assiut University
Kidney Calculi
Effect of Anesthesia Type on Surgeon Workload During Endoscopic Kidney Stone Surgery
This prospective observational study aims to evaluate the association between anesthesia type and surgeon-perceived workload and surgical ergonomics in adult patients undergoing flexible ureteroscopy and retrograde intrarenal…
- Trial name
- RIRS-ERG (NCT07763600)
- Testing
- General Anesthesia (GA), Spinal Anesthesia (SA)
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Malatya Governor Research Hospital
Kidney Stones, Nephrolithiasis
6.3Fr Versus 7.5Fr Mini-Flexible Ureteroscopy for Renal Stones (MINI-FURS)
This prospective, randomized, single-blinded, non-inferiority clinical trial will compare the clinical outcomes and cost-effectiveness of two mini-flexible ureteroscopes (6.3Fr and 7.5Fr) used during flexible ureteroscopy for the…
- Conditions
- Kidney Stones, Nephrolithiasis, Renal Calculi
- Trial name
- MINI-FURS (NCT07798336)
- Testing
- 6.3Fr Mini-Flexible Ureteroscope, 7.5Fr Mini-Flexible Ureteroscope
- Where
- Canada
- Volunteers
- 308 people
- Sponsor
- Sault Area Hospital
Urolithiasis, Stone Ureter
A Randomized Clinical Trial to Evaluate the Effectiveness of Oral Potassium Citrate in Preventing Ureteral Stent Encrustation in Patients Undergoing Ureteroscopy for Uric Acid Kidney Stones
This randomized clinical trial aims to evaluate the efficacy of oral potassium citrate in reducing ureteral stent encrustation following ureteroscopy for uric acid kidney stones.
- Trial name
- NCT06819553
- Testing
- Oral Potassium Citrate
- Where
- Egypt
- Volunteers
- 48 people
- Sponsor
- Zagazig University
Acidosis, Renal Tubular, Nephrolithiasis
Influence of Polymorphisms in the ATP6V1 Gene of the V-ATPase on the Development of Incomplete Distal Renal Tubular Acidosis
Purpose 1. To compare the performance of the two currently employed urinary acidifications tests in stone formers, the furosemide/fludrocortisone and ammonium chloride loading test. 2.
- Conditions
- Acidosis, Renal Tubular, Nephrolithiasis, Vacuolar Proton-Translocating ATPases
- Trial name
- NCT01690039
- Testing
- Furosemide-Fludrocortisone-Test (test for urinary acidification)
- Where
- Switzerland
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Kidney Stone
Comparing Pneumatic Versus Ultra-sonic Percutaneous Nephrolithotomy in Large Kidney Stones
The purpose of this study is to determine which type of percutaneous nephrolithotomy is better in large kidney stones
- Trial name
- NCT02751281
- Testing
- Pneumatic percutaneous nephrolithotomy, Ultra-sonic percutaneous nephrolithotomy
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Isfahan University of Medical Sciences
Nephrolithiasis, Pediatric Nephrolithiasis
Tubeless vs Tube PCNL in Pediatric Nephrolithiasis
This study is designed to compare two surgical techniques for removing kidney stones in children and adolescents (ages 6-18 years).
- Trial name
- TUBELESS (NCT07183930)
- Testing
- Tubeless Percutaneous Nephrolithotomy (PCNL), Standard Tube Percutaneous Nephrolithotomy (PCNL)
- Where
- Pakistan
- Volunteers
- 640 people
- Sponsor
- Lady Reading Hospital, Pakistan
Renal Stone
Comparison Between External Oblique Intercostal Block and Erector Spinae Plane Block in PCNL
The aim of the study is to compare the post-operative analgesic effect of USG unilateral External oblique intercostal (EOI) block with Erector spinae plane block (ESPB) for after percutaneous Nephrolithotomy with a hypothesis…
- Trial name
- NCT06131151
- Testing
- External Oblique Intercostal Block, Erector Spinae Plane Block
- Where
- Egypt
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Assiut University
Urolithiasis
Study of Tomography of Nephrolithiasis Evaluation
This is a multi-center, randomized controlled trial of ultrasonography (ultrasound) compared to computed tomography (CT) for the initial emergency room evaluation of patients with suspected renal colic.
- Trial name
- STONE (NCT01451931)
- Testing
- Point-of-care Ultrasound, Radiology Ultrasound, Radiology CT
- Where
- 15 sites in United States
- Volunteers
- 2,776 people
- Sponsor
- University of California, San Francisco