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ClinicalTrials.gov public records Last synced Sep 16, 2026, 10:45 AM EDT

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Showing 1–24 of 208 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Urinary Tract Stones Clear all
Withdrawn Not applicable Interventional

Comparing Efficiency and Stone-Free Rates Mini PCNL vs Flex URS

NCT07072598
View directory record Official record
Conditions
Kidney Stones, Nephrolithiasis, Urolithiasis
Interventions
ClearPETRA suction access sheath
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 16, 2026, 10:45 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 29, 2016 · Synced Sep 16, 2026, 10:45 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 8, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Not yet recruiting Not applicable Interventional

Prospective Multi-center Study Comparing Pulsed Tm:YAG Laser to Pulse Modulated Holmium Laser in the Treatment of Nephrolithiasis With FANS Access Sheaths

NCT07516106
View directory record Official record
Conditions
Kidney Stone
Interventions
Moses Holmium:YAG laser, Thulium:YAG laser
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Phoenix, Arizona • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of Eye Gaze Sharing in the Operating Room

NCT07173309
View directory record Official record
Conditions
Kidney Stones
Interventions
Augmented reality
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Use of an Herbal Preparation to Prevent and Dissolve Kidney Stones

NCT00381849
View directory record Official record
Conditions
Cystinuria, Nephrolithiasis, Calcium Oxalate
Interventions
Cystone, Sugar Pill (Placebo)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Sep 16, 2026, 10:45 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 10, 2014 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional

Effect of Sodium Thiosulfate on Urine Chemistries of Hypercalciuric Stone Formers

NCT01088555
View directory record Official record
Conditions
Kidney Stones
Interventions
Sodium thiosulfate
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
2009 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional Results available

Prevention of Urinary Stones With Hydration

NCT03244189
View directory record Official record
Conditions
Urinary Stones
Interventions
Fluid prescription, Financial incentive, Structured Problem Solving
Behavioral
Lead sponsor
Duke University
Other
Eligibility
12 Years and older
Enrollment
1,658 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
8
States / cities
Rochester, Minnesota • St Louis, Missouri • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional Results available

Stone Access and Removal (STAR) Study

NCT06330701
View directory record Official record
Conditions
Kidney Calculi
Interventions
Robotic-assisted mini-PCNL
Device
Lead sponsor
Auris Health, Inc.
Industry
Eligibility
22 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Indianapolis, Indiana • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional

FloSeal Tubeless Exit Versus Cope Loop Nephrostomy Versus Fascial Stitch Following Percutaneous Nephrolithotripsy

NCT00360477
View directory record Official record
Conditions
Kidney Calculi
Interventions
Floseal, Cope Loop, Fascial Stitch
Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2015
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2016 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obesity and Endogenous Oxalate Synthesis

NCT03808090
View directory record Official record
Conditions
Obesity
Interventions
Normal Individuals
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 16, 2026, 10:45 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 6, 2011 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Oxalate and Innate Immunity in Kidney Stone Disease

NCT04051346
View directory record Official record
Conditions
Kidney Stone
Interventions
Low Oxalate Diet, High Oxalate Diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Not yet recruiting Not applicable Interventional

Pilot Study of Patient Navigation for Kidney Stone Patients After ED Visits

NCT07322172
View directory record Official record
Conditions
Kidney Stones
Interventions
Patient Navigation
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Ketorolac Versus Opioid for Pain After Endoscopy

NCT03888144
View directory record Official record
Conditions
Kidney Calculi, Ureteral Calculi
Interventions
Oxycodone, Ketorolac
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional

Clinical Outcomes and Healthcare Economics of SOLTIVE Compared to Ho:YAG Laser in Urolithiasis

NCT04997668
View directory record Official record
Conditions
Kidney Stone
Interventions
SOLTIVE Thulium Fiber Laser, Ho:YAG Laser
Device
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 16, 2026, 10:45 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 Sep 7, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Utilization of a Web-Based Application to Improve Patient Health Literacy and Reduce Clinic Visit Times in Holmium Laser Enucleation of the Prostate (HoLEP) Procedures and Kidney Stone Surgery

NCT07580391
View directory record Official record
Conditions
Kidney Stone, Benign Prostatic Hyperplasia
Interventions
WellPrept, Standard Care
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional

Assessment of Fluoroscopy Times With Surgeon Versus Technologist Control

NCT02224287
View directory record Official record
Conditions
Urolithiasis, Kidney Stones
Interventions
Technologist control of fluoroscopy, Surgeon control of fluoroscopy
Procedure
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 25 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2020 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oxalobacter Formigenes Colonization and Urinary Oxalate Excretion

NCT03752684
View directory record Official record
Conditions
Calcium Oxalate Urolithiasis
Interventions
Moderately high oxalate/low calcium diet non-colonized, Oxalobacter formigenes, Moderately high oxalate/low calcium diet colonized
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 16, 2026, 10:45 AM EDT
Completed Not applicable Interventional

Comparison of Lithotripsy Urolithiasis Machines

NCT04069338
View directory record Official record
Conditions
Kidney Stone, Kidney Calculi, Ureteral Calculi, Ureterolithiasis, Urolithiasis
Interventions
Lithotripter
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Sep 16, 2026, 10:45 AM EDT
Not listed Not applicable Interventional

LithoVue Single Use Disposable Ureteroscope

NCT03419091
View directory record Official record
Conditions
Kidney Stone
Interventions
single-use flexible digital ureteroscope, Reusable Ureteroscope
Device
Lead sponsor
University of British Columbia
Other
Eligibility
19 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 16, 2022 · Synced Sep 16, 2026, 10:45 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Oxalate-Driven Host Responses in Kidney Stone Disease

NCT05417568
View directory record Official record
Conditions
Kidney Stones
Interventions
Low Oxalate Diet, High Oxalate Diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 16, 2026, 10:45 AM EDT