Clinical trials: Renal Stones
Renal Calculi
Comparison of Lithotomy Versus Lateral Position in Retrograde Intrarenal Surgery for Lower Calyceal Stones Less Than 2 cm
Retrograde intrarenal surgery (RIRS) is an established minimally invasive treatment for renal stones, particularly for lower calyceal stones less than 2 cm, offering acceptable stone-free rates with low morbidity.
- Trial name
- NCT07310966
- Testing
- Lithotomy Position, Lateral position
- Where
- Egypt
- Volunteers
- 70 people
- Sponsor
- Menoufia University
Renal Stone Disease
Intrarenal Pressure Monitoring During Pediatric Percutaneous Nephrolithotomy, and Its Impact on Post Operative Infectious Complications.
Monitoring of intrarenal pressure during pediatric percutaneous nephrolithotomy and its impact on post operative infectious complications.
- Trial name
- NCT07800546
- Testing
- Intrarenal pressure
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Assiut University
Stone, Kidney
Mobile Health Platform for Surveillance of Kidney Stone
We plan to investigate whether usage of a mobile health platform for surveillance of stone formers by itself or as an adjunct to standard office-appointments will improve patient compliance and adherence to treatment guidelines…
- Trial name
- NCT05389982
- Testing
- mHealth (GetWell), Standard Care
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- Northwestern University
Thulium Fiber Laser, Fans
Fragmentation Vs Dusting With FANS for Renal Stones Less Than 2cm: A Randomized Controlled Study
The use of FANS has changed the operative landscape of RIRS by allowing continuous active suction-assisted clearance of ablated stone material in real time.
- Conditions
- Thulium Fiber Laser, Fans, Lithotripsy, Laser, Renal Stone
- Trial name
- NCT07639385
- Testing
- Dusting, Fragmentation
- Volunteers
- 86 people
- Sponsor
- Bir Hospital
Kidney Stone
Follow-Up of Ureteral Stones ≤4 mm
The goal of this clinical trial is to evaluate the proportion of ureteral stones ≤4 mm that pass spontaneously within 4 and 8 weeks and assess if pain, blood test (S-creatinine), stone size, stone location and hydronephrosis can…
- Trial name
- NCT07176026
- Where
- 2 sites in Sweden
- Volunteers
- 1,600 people
- Sponsor
- Region Skane
Kidney Stone, Healthy
Oxalate and Citrate in Humans - Response to Citrate
This is a single-center study that aims to learn more about how two compounds found in food, oxalate and citrate, interact in the body and may influence a person's chances of forming kidney stones.
- Trial name
- NCT06944223
- Testing
- Kidney stone formers, Control cohort
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Renal Stones
Prone Flexed Position in Percutanous Nephrolithotomy
prone flexed position in percutanous nephrolithotomy in comparsion with standard prone position. A randomized controlled trial.
- Trial name
- NCT04345835
- Testing
- Percutanous nephrolithotomy (PCNL)
- Where
- Egypt
- Volunteers
- 300 people
- Sponsor
- Kafrelsheikh University
Urothelial Carcinoma, Renal Cell Carcinoma
Prospective Trial for Examining Hematuria Using Computed Tomography
The primary objective is to evaluate whether one-phase nephrographic CT (experimental) is sufficient to detect urothelial cell carcinoma in patients with hematuria compared to the traditional four-phase CT (control).
- Conditions
- Urothelial Carcinoma, Renal Cell Carcinoma, Renal Cyst, Renal Stone
- Trial name
- PROTEHCT (NCT04077359)
- Testing
- CT
- Where
- Norway
- Volunteers
- 300 people
- Sponsor
- Oslo University Hospital
Kidney Stones
Ureteral Access Sheaths in Endoscopic Kidney Stone Surgery
This prospective, randomized, comparative study aims to evaluate the impact of aspirating and non-aspirating ureteral access sheaths on success rates and complications in patients undergoing retrograde intrarenal surgery (RIRS)…
- Trial name
- NCT07568990
- Testing
- Non-aspirating ureteral access sheath, Aspirating ureteral access sheath
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Hitit University
Kidney Stones
Donors With Nephrolithiasis at the Time of Transplant Evaluation (DONATE). Long Term Follow-up.
We believe that kidney donors with kidney stones accepted for a donation do not have an increased risk of loss of kidney function and will not be at increased risk of symptomatic kidney stone events compared to donors without a…
- Trial name
- DONATE (NCT05519150)
- Testing
- low dose radiation abdomen/pelvis CT scan (stone protocol), Blood draw, 24 hour urine collection
- Where
- United States
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Indiana University
Kidney Stone, Kidney Calculi
Outcomes of Using FANS With FURS in TTT of Lower Calyceal Stones.
The aim of this study is to evaluate and assess the outcomes of flexible ureteroscopy (FURS) with flexible and navigable suction UAS (FANS) in the treatment of lower calyceal stones.
- Trial name
- NCT07238803
- Testing
- flexible and navigable suction sheath with flexible ureteroscopy
- Where
- Egypt
- Volunteers
- 33 people
- Sponsor
- Zagazig University
Urinary Stone, Renal Injury
Urinary NGAL and KIM-1 After ESWL
The goal of this prospective observational study is to evaluate the effect of different time intervals between extracorporeal shock wave lithotripsy (ESWL) sessions on renal injury using urinary biomarkers in patients with…
- Trial name
- NCT07341269
- Testing
- No Interventions, No intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Marmara University
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
Urolithiasis
Urine and Stool Analysis in Kidney Stone Disease
The purpose of this study is to add to the investigators' quest to understanding stone disease, by evaluating the metabolites excretion in urine and its relation to microflora present in the stool.
- Trial name
- NCT01637506
- Where
- 2 sites in Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Kidney Stones
Feasibility of Radiation-Free Percutaneus Nephrolithotomy for Kidney Stones
The goal of this observational study is to investigate the feasibility of ultrasound-guided percutaneus nephrolithotomy in patients with kidney stones.
- Trial name
- PCNL (NCT06922006)
- Testing
- Percutaneus nephrolithotomy (PCNL)
- Where
- United States
- Volunteers
- 67 people
- Sponsor
- University of California, San Diego
Nephrolithiasis
Comparison of DASH With Oxalate Restricted Diet on Urine in Recurrent Stone Formers With Hyperoxaluria
Oxalate restricted diet is routinely prescribed in clinical practice of nephrolithiasis patients with hyperoxaluria. The effect of dietary oxalate on urinary oxalate is however controversial.
- Trial name
- NCT01650935
- Testing
- diet
- Where
- 2 sites in Iran
- Volunteers
- 48 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Kidney Stone, Renal Stone
Antibiotic Selection Using Next Generation Sequencing vs Urine Culture
This is a randomized controlled clinical study evaluating the use of next-generation sequencing (NGS) to improve antibiotic prescribing before ureteroscopy or percutaneous nephrolithotomy.
- Conditions
- Kidney Stone, Renal Stone, Infection, Bacterial
- Trial name
- ACCESS (NCT04404855)
- Testing
- NGS + Antibiotic Recommendation, Standard of Care treatment
- Where
- 3 sites in United States
- Volunteers
- 240 people
- Sponsor
- The University of Texas Health Science Center at San Antonio
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
Ureteric Stone
Comparison of CHOKAI vs STONE Score to Predict the Presence of Ureteric Stones in Patients With Renal Colic: A Multi-center Prospective Observational Study
Background: The STONE score has traditionally been used as a clinical prediction tool to predict the presence of ureteric stones in patients presenting with renal colic.
- Trial name
- NCT04759417
- Where
- 3 sites in United Arab Emirates
- Volunteers
- 92 people
- Sponsor
- Zayed Military Hospital
Kidney Stone
SNP-based Prediction of Recurrence Risk in Kidney Stone Patients
The goal of this study is to gain new knowledge about genetic risk factors that may affect the kidney stone recurrence. The study seeks to understand if different forms of genes result in an increased risk of kidney stone…
- Trial name
- NCT04937192
- Testing
- No intervention
- Where
- China
- Volunteers
- 1,300 people
- Sponsor
- The First Affiliated Hospital of Guangzhou Medical University