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ClinicalTrials.gov public records Last synced Oct 11, 2026, 5:36 AM EDT

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Showing 121–144 of 209 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Urinary Tract Stones Clear all
Terminated Not applicable Interventional Results available

Clinical Evaluation of BackStop in Patients Undergoing Ureteroscopic Lithotripsy

NCT02122341
View directory record Official record
Conditions
Kidney Stones
Interventions
BackStop
Device
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Los Angeles, California • Virginia Beach, Virginia
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Attached Stone Project: Do Calcium Oxalate Renal Calculi Originate From Randall's Plaque?

NCT00169754
View directory record Official record
Conditions
Renal Calculi
Interventions
mapping kidney anatomy
Other
Lead sponsor
Indiana Kidney Stone Institute
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 17, 2008 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Night Time Use of Thiazide Diuretics for Improved Reduction in Stone Risk in Stone Formers With Elevated Urine Calcium

NCT02711670
View directory record Official record
Conditions
Kidney Stones
Interventions
chlorthalidone, Hydrochlorothiazide
Drug
Lead sponsor
VA New York Harbor Healthcare System
Federal
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 27, 2023 · Synced Oct 11, 2026, 5:36 AM EDT
Terminated Phase 4 Interventional

Regional Erector Spinae Analgesic Block vs Standard of Care Undergoing Percutaneous Nephrolithotomy

NCT04663269
View directory record Official record
Conditions
Kidney Stone, Surgery
Interventions
4mg PF Dexamethasone, Control Test
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 11, 2026, 5:36 AM EDT
Completed No phase listed Observational

Kidney Stone Structural Analysis By Helical Computed Tomography (CT)

NCT00169780
View directory record Official record
Conditions
Nephrolithiasis
Interventions
High definition helical CT (64 head scanner)
Radiation
Lead sponsor
Indiana Kidney Stone Institute
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 7, 2011 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Phase 2 Interventional Results available

Lipoic Acid Supplement for Cystine Stone

NCT02910531
View directory record Official record
Conditions
Cystinuria
Interventions
Alpha lipoic acid, Placebo
Dietary Supplement · Drug
Lead sponsor
Thomas Chi, MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Kidney Stone Inflammation

NCT06436235
View directory record Official record
Conditions
Kidney Stone, Stone, Kidney
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Dietary Oxalate and Immune Cell Function

NCT03877276
View directory record Official record
Conditions
Kidney Stone
Interventions
Breakfast, Spinach smoothie, Kale smoothie, Blended smoothie, V spinach smoothie, Sodium oxalate drink
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Active, not recruiting Not applicable Interventional

Effect of Weight Loss on Urinary Oxalate Excretion in Obese Calcium Oxalate Kidney Stone Formers

NCT04633811
View directory record Official record
Conditions
Kidney Stone
Interventions
Low Oxalate Diet before Weight Loss, Oral load of oxalate and sucralose before Weight Loss, Optifast VLCD Program, Optifast VLCD Transition Phase, Low Oxalate Diet after Weight Loss, Oral load of oxalate and sucralose after Weight Loss
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Active, not recruiting No phase listed Observational

Impact of COVID-19 on GU Disease

NCT04761107
View directory record Official record
Conditions
COVID-19 Infection, Genitourinary Cancer, Benign Urologic Conditions
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
40 Years and older
Enrollment
15,240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 11, 2026, 5:36 AM EDT
Active, not recruiting No phase listed Observational

Feasibility of Radiation-Free Percutaneus Nephrolithotomy for Kidney Stones

NCT06922006
View directory record Official record
Conditions
Kidney Stones
Interventions
Percutaneus nephrolithotomy (PCNL)
Procedure
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Oct 11, 2026, 5:36 AM EDT
Recruiting Not applicable Interventional

Break Wave(TM) Extracorporeal Lithotripter First-in-Human Study

NCT03811171
View directory record Official record
Conditions
Renal Calculi, Urinary Calculi
Interventions
Break Wave extracorporeal lithotripsy
Device
Lead sponsor
SonoMotion
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
3
States / cities
San Diego, California • San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Phase 2 Interventional

Study of ALLN-177 in Patients Aged 12 Years or Older With Enteric or Primary Hyperoxaluria and Hyperoxalemia

NCT03391804
View directory record Official record
Conditions
Enteric Hyperoxaluria, Primary Hyperoxaluria, Hyperoxalemia
Interventions
ALLN-177
Drug
Lead sponsor
Allena Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
4
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • New Haven, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Oct 11, 2026, 5:36 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Protein Sources Urinary Stone Risk

NCT05460247
View directory record Official record
Conditions
Kidney Stone Prevention
Interventions
Protein
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Oct 11, 2026, 5:36 AM EDT
Active, not recruiting No phase listed Observational

A Retrospective, Multi-center Real-world Study of Steerable Ureteroscopic Renal Evacuation (SURE) Procedure With the CVAC® System

NCT07225933
View directory record Official record
Conditions
Urolithiasis, Kidney Stone, Kidney Stones
Interventions
CVAC® SYSTEM, FLEXIBLE AND NAVIGATIONAL URETERAL ACCESS SHEATH (FANS) IN FLEXIBLE URETEROSCOPY (FURS)
Device
Lead sponsor
Calyxo, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 11, 2026, 5:36 AM EDT
Not yet recruiting Not applicable Interventional

The LARC Robot Simplifies Renal Access In Percutaneous Nephrolithotomy

NCT07211555
View directory record Official record
Conditions
Renal Stone Disease, Kidney Calculi, Refractory Kidney Stones, Kidney Stones
Interventions
LARC Robotic System (Micromate™ Version 3.0)
Device
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Celebration, Florida
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Oct 11, 2026, 5:36 AM EDT
Recruiting Phase 2 Interventional

Study of YOLT-203 in Children and Adults With Primary Hyperoxaluria Type 1 (PH1)

NCT07587021
View directory record Official record
Conditions
Primary Hyperoxaluria Type 1, PH1
Interventions
YOLT-203, Placebo
Genetic · Drug
Lead sponsor
YolTech Therapeutics Co., Ltd
Industry
Eligibility
6 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Birmingham, Alabama • Aurora, Colorado • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Phase 2 Interventional Results available

Study of Silodosin to Facilitate Passage of Urinary Stones

NCT01144949
View directory record Official record
Conditions
Ureteral Calculi, Kidney Stones, Urolithiasis
Interventions
silodosin, placebo
Drug
Lead sponsor
Watson Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
27
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mission Hills, California + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2014 · Synced Oct 11, 2026, 5:36 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Oxalate Formation From Ascorbic Acid

NCT04603898
View directory record Official record
Conditions
Kidney Stone
Interventions
Low Oxalate Diet, Carbon-13 Ascorbic Acid Oral Load
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Withdrawn Not applicable Interventional

Ambulatory Versus Inpatient Percutaneous Nephrolithotomy

NCT04690010
View directory record Official record
Conditions
Kidney Calculi
Interventions
Ambulatory tubeless PCNL, Inpatient PCNL with nephrostomy tube
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Standard vs Mini-PCNL for the Treatment of Stone Disease

NCT04069013
View directory record Official record
Conditions
Urolithiasis, Kidney Stone, Kidney Calculi, Ureteral Calculi, Kidney Diseases
Interventions
PCNL
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Endogenous Oxalate Synthesis

NCT05229952
View directory record Official record
Conditions
Healthy, Kidney Stone, Obesity
Interventions
Low-oxalate controlled diet, Primed, continuous intravenous infusion of 13C2-oxalate
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Oct 11, 2026, 5:36 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Renal Metabolism of Glycolate to Oxalate

NCT04437225
View directory record Official record
Conditions
Healthy
Interventions
Low oxalate controlled Diet, Primed, continuous intravenous infusion of 13C2-Glycolate, Bolus intravenous infusion of 13C2-Glycolate, Oral bolus administration of 13C2-Glycolate
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 11, 2026, 5:36 AM EDT
Completed Phase 1 Interventional

Use of Tolvaptan to Reduce Urinary Supersaturation: a Pilot Proof of Principle Study

NCT02096965
View directory record Official record
Conditions
Nephrolithiasis, Calcium Oxalate, Nephrolithiasis, Calcium Phosphate
Interventions
Tolvaptan, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 30, 2016 · Synced Oct 11, 2026, 5:36 AM EDT