Clinical trials: Nephrolithiasis, Calcium Oxalate
Kidney Stone, Kidney Calculi
O. Formigenes Colonization in Calcium Oxalate Kidney Stone Disease
The goal of this trial is to test if colonization with the gut bacteria Oxalobacter formigenes leads to a reduction in urinary oxalate excretion in patients with calcium oxalate kidney stone disease.
- Conditions
- Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate
- Trial name
- NCT06330246
- Testing
- Low oxalate fixed diets pre-colonization, Moderately high oxalate fixed diets pre-colonization, Colonization with Oxalobacter formigenes
- Where
- 2 sites in United States
- Volunteers
- 40 people
- Sponsor
- University of Alabama at Birmingham
Kidney Stone, Kidney Calculi
Gut Oxalate Absorption in Calcium Oxalate Stone Disease
The goal of this clinical trial study is to test if patients with idiopathic calcium oxalate kidney stones have an increased absorption of dietary oxalate, which would lead to increased urinary excretion of oxalate.
- Conditions
- Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate
- Trial name
- NCT06331546
- Testing
- Low-oxalate diet, High-oxalate diet, soluble oxalate gut absorption test
- Where
- 2 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- 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
Calcium Oxalate Urolithiasis, Renal Cell Carcinoma
Evaluating the Bacterial and Fungal Microbiome in Patients With Calcium Oxalate Urolithiasis and Renal Cell Carcinoma
The purpose of the study is to identify bacterial and fungal microbiome associated with calcium oxalate (CO) urolithiasis and renal cell carcinoma (RCC).
- Trial name
- NCT04669860
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Miami
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
Nephrolithiasis, Calcium Oxalate Kidney Stones
Vitamin E Supplementation Effect in Management of Calcium Oxalate Crystals
Nephrolithiasis is a condition characterized by the formation of crystalline stones in the urinary system. The most common component of these stones is calcium oxalate.
- Trial name
- NCT07715643
- Testing
- Control Group T0, Intervention Group T1, Intervention Group T2
- Where
- Pakistan
- Volunteers
- 48 people
- Sponsor
- University of Lahore
Calcium Oxalate Urolithiasis
Oxalobacter Formigenes Colonization and Urinary Oxalate Excretion
The purpose of this research study is to assess the efficacy of ingesting a small amount of the harmless bacterium Oxalobacter formigenes in establishing residence in the guts of healthy participants and to determine whether this…
- Trial name
- NCT03752684
- Testing
- Moderately high oxalate/low calcium diet non-colonized, Oxalobacter formigenes, Moderately high oxalate/low calcium diet colonized
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Kidney Stones, Urolithiasis
Pilot Study to Evaluate the Contribution of Gene Variants to Idiopathic Urolithiasis
Recent investigations from this group have identified that genetic variants of genes associated with monogenic forms of nephrolithiasis are expressed in idiopathic calcium oxalate kidney stone patients and could influence stone…
- Conditions
- Kidney Stones, Urolithiasis, Calcium Oxalate Urolithiasis
- Trial name
- NCT01127854
- Where
- United States
- Volunteers
- 2,900 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Urolithiasis, Calcium Oxalate, Kidney Stone
A Single-Center Clinical Study on the Efficacy and Safety of VISOR
Goal of this trial: To test a new tool called VISOR in adults (aged 18-80) with 1-3 cm kidney or ureter stones. We want to see: 1. If it's safe and works well 2.
- Trial name
- NCT07071948
- Testing
- Multifunctional Integrated Flexible Ureteroscope
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Urolithiasis, Calcium Oxalate, Ureteroscopy
Clinical Trial of VISOR vs fURS for Upper Urinary Tract Stone
This prospective randomized controlled clinical study aims to evaluate the safety and efficacy of a novel Vortex Intelligence Stone Optimized Removal (VISOR,The experimental group) system compared to a single-use ureterorenoscope…
- Conditions
- Urolithiasis, Calcium Oxalate, Ureteroscopy, Therapeutic Irrigation, Intraoperative Complications
- Trial name
- VISOR (NCT07181759)
- Testing
- VISOR, fURS
- Volunteers
- 100 people
- Sponsor
- Ningbo No. 1 Hospital
Kidney Calculi, Calcium Oxalate Kidney Stones
Evaluating the Vitamin K2 Status of Calcium-based Stone Formers
This is an observation, single site-study with one study visit during which all data and samples will be collected. Study participants will be asked to provide blood, urine, and fecal samples so that the investigators may study…
- Conditions
- Kidney Calculi, Calcium Oxalate Kidney Stones, Vitamin K 2, Human
- Trial name
- NCT05081960
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Urolithiasis, Calcium Oxalate
What Lies Beneath the Stone? Metabolic Insights From Composition-Based Analysis of Kidney Stones
This retrospective observational study investigates the metabolic abnormalities associated with different types of kidney stones by analyzing their composition.
- Trial name
- Kidney stone (NCT06992206)
- Testing
- Metabolik taş analizi ile retrospektif gözlem
- Volunteers
- 506 people
- Sponsor
- Hisar Intercontinental Hospital
Renal Stones, Urolithiasis, Calcium Oxalate
Comparison of Trifecta Analysis of Standard Versus Mini Percutaneous Nephrolithotomy in the Management of Urolithiasis
Introduction: Urolithiasis is a common urological condition, and percutaneous nephrolithotomy (PCNL) is a widely used treatment option.
- Trial name
- Trifecta (NCT06836700)
- Testing
- Mini PCNL
- Where
- Pakistan
- Volunteers
- 180 people
- Sponsor
- Hayat Abad Medical Complex, Peshawar
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
Calcium Oxalate Urolithiasis
Mineral Water for Prevention of Renal Stones
The investigators would like to assess if the intake of high bicarbonate mineral water would not only increase total fluid intake but will also be able to give patients the additional benefit of correcting the urinary…
- Trial name
- NCT04638166
- Testing
- Mineral water, Plain water
- Where
- Singapore
- Volunteers
- 58 people
- Sponsor
- Singapore General Hospital
Kidney Calculi, Nephrolithiasis
Patient Compliance for Metabolic Evaluation and Medical Management in Calcium Stone Patients
Calcium oxalate stone, the most common type worldwide, has a recurrence rate of around 50% in ten years. Therefore, identifying the underlying pathophysiological aspects via metabolic evaluation and suggestions for medical \&…
- Conditions
- Kidney Calculi, Nephrolithiasis, Patient Compliance, Calcium Oxalate Urolithiasis
- Trial name
- NCT04169165
- Volunteers
- 500 people
- Sponsor
- EULIS Colloborative Research Working Group
Nephrolithiasis, Calcium Oxalate, Nephrolithiasis, Calcium Phosphate
Use of Tolvaptan to Reduce Urinary Supersaturation: a Pilot Proof of Principle Study
In this study the investigators propose to use a daily dose of 45 mg (30 mg at 8 AM and 15 mg at 4 PM). This relatively small well-tolerated dose is likely to persistently increase urine volume and reduce urine supersaturation…
- Trial name
- NCT02096965
- Testing
- Tolvaptan
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Mayo Clinic
Cystinuria, Nephrolithiasis, Calcium Oxalate
Use of an Herbal Preparation to Prevent and Dissolve Kidney Stones
We will investigate the safety and effectiveness of a mixture of 9 east Indian herbs known as Cystone regarding their ability to dissolve existing kidney stones and prevent formation of new ones.
- Trial name
- NCT00381849
- Testing
- Cystone
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Mayo Clinic