Clinical trials: Calculi
Urolithiasis
Assessment of Urinary Microplastic Concentration in Patients With Urolithiasis: A Prospective Case-Control Study
This prospective observational case-control study aims to evaluate the presence and burden of microplastic particles in urine samples from patients with kidney and ureteral stones and to compare these findings with healthy…
- Trial name
- Microplastics (NCT07841834)
- Testing
- No Intervention
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Konya City Hospital
Kidney Stones
Evaluation of Eye Gaze Sharing in the Operating Room
This project aims to develop an augmented reality (AR) tool to enhance skill acquisition for endoscopic kidney stone surgery. Of the 100,000 patients who undergo an endoscopic kidney stone treatment annually in the United States…
- Trial name
- NCT07173309
- Testing
- Augmented reality
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Obesity
Obesity and Endogenous Oxalate Synthesis
The goal of this study is to determine if obesity is associated with increased endogenous oxalate synthesis as assessed by urinary oxalate excretion, which is a known risk factor for calcium oxalate kidney stones.
- Trial name
- NCT03808090
- Testing
- Normal Individuals
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Renal Calculi (Kidney Stones) ≤ 20 mm
Super-Mini Percutaneous Nephrolithotomy Versus Flexible Ureteroscopy for Renal Stones 20 mm or Less
Kidney stones measuring 20 mm or less are commonly managed using minimally invasive surgical techniques. Two widely used approaches are Super-mini Percutaneous Nephrolithotomy (SMP) and Flexible Ureteroscopy (fURS).
- Trial name
- NCT07371494
- Testing
- Super-mini Percutaneous Nephrolithotomy, Flexible Ureteroscopy
- Where
- Vietnam
- Volunteers
- 72 people
- Sponsor
- Hanoi Medical University
Bladder Stone
Impact of Concomitant TURP on Bladder Stone Surgery Outcomes
The management of bladder stones secondary to benign prostatic hyperplasia (BPH) remains controversial regarding whether transurethral resection of the prostate (TURP) should be performed concomitantly or selectively.
- Trial name
- NCT07831486
- Testing
- Transurethral Cystolitholapaxy Alone, Transurethral Resection of the Prostate (TURP)
- Where
- Egypt
- Volunteers
- 104 people
- Sponsor
- Beni-Suef University
Kidney Stone
Reducing Opioid Prescription After Kidney Stone Removal Surgery
The purpose of this study is to implement and assess a standard way of prescribing opioid pain medication following PCNL (a kidney stone removal surgery) to ensure patients are being discharged with an appropriate quantity of…
- Trial name
- NCT05353478
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Mayo Clinic
Urosepsis, Kidney Stone
Effect of Emergency Urinary Drainage on Subsequent PCNL Outcomes in Obstructive Urosepsis
Obstructive urolithiasis complicated by urosepsis is a life-threatening medical emergency requiring urgent urinary tract decompression.
- Trial name
- NCT07826325
- Testing
- Retrograde Ureteral Stenting followed by PCNL, Percutaneous Nephrostomy followed by PCNL
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Beni-Suef University
Kidney Stones
Pilot Study of Patient Navigation for Kidney Stone Patients After ED Visits
Patients who visit the emergency department for kidney stones are sometimes referred to urology for follow-up care but never complete that visit.
- Trial name
- NCT07322172
- Testing
- Patient Navigation
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- University of California, San Francisco
Kidney Stones, Urolithiasis, Hypocitraturia, Living Kidney Donation
Long-Term Risk of Kidney Stones in Living Kidney Donors
Using a population-based, matched, retrospective cohort approach, this study will evaluate the long-term risk of kidney stones among living kidney donors compared with matched healthy nondonors.
- Conditions
- Kidney Stones, Urolithiasis, Hypocitraturia, Living Kidney Donation, Living Kidney Donor
- Trial name
- NCT07611500
- Testing
- Living kidney donation
- Volunteers
- 50,000 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Kidney Calculi
Ambulatory Versus Inpatient Percutaneous Nephrolithotomy
The goal of the study is to determine if ambulatory tubeless PCNL is safe and effective compared to inpatient PCNL with a nephrostomy tube.
- Trial name
- NCT04690010
- Testing
- Ambulatory tubeless PCNL, Inpatient PCNL with nephrostomy tube
- Where
- United States
- Sponsor
- University of California, San Francisco
Renal Calculi
Evaluation of Prevalence, Molecular and Genetic Backgrounds of Calcium-Based Stones Among Patients With Renal Calcular Disease in Mansoura Urology and Nephrology Center
Evaluation of Prevalence, Molecular and Genetic Backgrounds of Calcium-Based stones among Patients with Renal Calcular Disease in Mansoura Urology and Nephrology Center
- Trial name
- NCT05972408
- Testing
- percutaneous nephrlolithotomy, VDR gene, CASR gene
- Where
- Egypt
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Urinary Bladder Calculi, Bladder Calculi
Transurethral Versus Percutaneous Cystolithotripsy for Bladder Stones in Adults
This study evaluates and compares two minimally invasive surgical approaches for treating bladder stones in adult patients: transurethral cystolithotripsy (TUCL) and percutaneous cystolithotripsy (PCCL).
- Conditions
- Urinary Bladder Calculi, Bladder Calculi, Urolithiasis
- Trial name
- NCT07810582
- Testing
- Transurethral Cystolithotripsy, Percutaneous Cystolithotripsy
- Volunteers
- 50 people
- Sponsor
- Assiut University
Kidney Stones
SGLT2i in Kidney Stones
This study is looking at whether empagliflozin, a medication typically used for diabetes and heart conditions, may affect factors that contribute to kidney stone formation.
- Trial name
- NCT07055282
- Testing
- Empagliflozin (Jardiance®)
- Where
- United States
- Volunteers
- 32 people
- Sponsor
- University of Chicago
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
Kidney Stone
Effect of Weight Loss on Urinary Oxalate Excretion in Obese Calcium Oxalate Kidney Stone Formers
This protocol seeks to determine if weight reduction with the Optifast VLCD program leads to reduced contribution of endogenous oxalate synthesis and dietary oxalate absorption to the urinary oxalate pool in obese calcium oxalate…
- Trial name
- NCT04633811
- Testing
- Low Oxalate Diet before Weight Loss, Oral load of oxalate and sucralose before Weight Loss, Optifast VLCD Program
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- University of Alabama at Birmingham
Kidney Stone, Urolithiasis, Calcium Oxalate
Heterozygous Individuals for AGXT and Kidney Stones
This study seeks to examine the effects of a heterozygous mutation of the AGXT gene in a stone forming population on endogenous oxalate production.
- Trial name
- NCT04430426
- Testing
- Controlled Diet
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- University of Alabama at Birmingham
Healthy
Renal Metabolism of Glycolate to Oxalate
This study will determine the contribution of glycolate metabolism to urinary oxalate excretion in healthy subjects, using carbon 13 isotope glycolate tracer technique and a low-oxalate controlled diet.
- Trial name
- NCT04437225
- Testing
- Low oxalate controlled Diet, Primed, continuous intravenous infusion of 13C2-Glycolate, Bolus intravenous infusion of 13C2-Glycolate
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
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
Influence of Obesity on Oxalate Metabolism and Handling in Calcium Oxalate Stone Formers
The primary goals of this study are to determine the contribution of dietary oxalate absorption, renal oxalate handling, and endogenous oxalate synthesis to urinary oxalate excretion in normal Body Mass Index (BMI) and obese…
- Trial name
- NCT04333745
- Testing
- Controlled Diet, Carbon-13 Oxalate and Sucralose Ingestion
- Where
- 2 sites in United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
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