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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Calculi, Urinary Clear all
Completed Not applicable Interventional Results available

Antibiotic Selection Using Next Generation Sequencing vs Urine Culture

NCT04404855
View directory record Official record
Conditions
Kidney Stone, Renal Stone, Infection, Bacterial
Interventions
NGS + Antibiotic Recommendation, Standard of Care treatment
Other · Procedure
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
3
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2024 · Synced Sep 22, 2026, 6:55 PM EDT
Recruiting Not applicable Interventional

Surgical Outcomes and Costs in Using the Shenzhen HugeMed 6.3 French Flexible Ureteroscope

NCT07296835
View directory record Official record
Conditions
Kidney Stones
Interventions
Ureteroscopy using the 6.3 Fr f-URS hugemed, Hugemed 6.3 Fr f-URS
Device
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 22, 2026, 6:55 PM EDT
Withdrawn Not applicable Interventional

Long Pulse Versus Short Pulse Laser Dusting for Renal Stones

NCT03608098
View directory record Official record
Conditions
Kidney Stone, Ureter Stone, Renal Stone
Interventions
Short Pulse Duration, Long Pulse Duration
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2019 · Synced Sep 22, 2026, 6:55 PM 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 22, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Results available

Toradol to Reduce Ureteroscopic Symptoms Trial

NCT03111381
View directory record Official record
Conditions
Urinary Lithiasis, Kidney Diseases, Kidney Stone, Pain, Postoperative
Interventions
Toradol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Sep 22, 2026, 6:55 PM EDT
Completed Not applicable Interventional

Ureteral Stent Placement After Ureteroscopy for Renal Stones: A Randomized Controlled Trial

NCT03855787
View directory record Official record
Conditions
Kidney Calculi
Interventions
Ureteroscopy
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
6
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 3 more
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 22, 2026, 6:55 PM EDT
Completed Phase 4 Interventional Results available

Opioid Free Management After Ureteroscopy

NCT03872843
View directory record Official record
Conditions
Kidney Stone
Interventions
Norco 5milligram-325milligram Tablet, Ibuprofen 400 MILLIGRAM in 1 TABLET ORAL TABLET, FILM COATED
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 10, 2021 · Synced Sep 22, 2026, 6:55 PM EDT
Active, not recruiting Not applicable Interventional

Methocarbamol vs Oxybutynin for Management of Pain and Discomfort S/P Ureteroscopy Procedure

NCT05100017
View directory record Official record
Conditions
Kidney Calculi, Kidney Diseases, Nephrolithiasis, Urolithiasis, Ureteral Diseases, Ureteral Calculi
Interventions
Methocarbamol, Oxybutynin
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 22, 2026, 6:55 PM EDT
Active, not recruiting No phase listed Observational

Reducing Opioid Prescription After Kidney Stone Removal Surgery

NCT05353478
View directory record Official record
Conditions
Kidney Stone
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 22, 2026, 6:55 PM EDT
Completed Phase 4 Interventional Results available

Intravenous Ketorolac for Postoperative Pain in Percutaneous Nephrolithotomy

NCT00765128
View directory record Official record
Conditions
Renal Calculus, Kidney Stones
Interventions
Ketorolac, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 26, 2012 · Synced Sep 22, 2026, 6:55 PM 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 29, 2020 · Synced Sep 22, 2026, 6:55 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effect of Dietary Sodium and Potassium Citrate on Renal Mineral Handling

NCT03281928
View directory record Official record
Conditions
Kidney Stone
Interventions
Sodium and Potassium Citrate, Placebo
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 21, 2025 · Synced Sep 22, 2026, 6:55 PM EDT
Active, not recruiting Not applicable Interventional Results available

Safety and Effectiveness of the Ultrasonic Propulsion of Kidney Stones

NCT02028559
View directory record Official record
Conditions
Kidney Stones, Nephrolithiasis, Urolithiasis
Interventions
Propulse 1 with C5-2 probe, Propulse 1 with SC-X probe
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 22, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Eye Gaze Guidance Evaluation in Phantoms

NCT07174479
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
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 22, 2026, 6:55 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Oxalate and Citrate

NCT05334979
View directory record Official record
Conditions
Kidney Stone, Normal Controls
Interventions
Kidney stones Normal controls Consuming a special drink (sodium oxalate) during an all day visit to the University of Chicago research clinic
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 22, 2026, 6:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ureteral Stenting After Ureteroscopy for Stone Treatment, A Global Perspective on Indications and Outcomes

NCT03567421
View directory record Official record
Conditions
Stone;Renal, Stone, Kidney, Stone Ureter
Interventions
Not listed
Lead sponsor
Société Internationale d'Urologie
Other
Eligibility
18 Years to 99 Years
Enrollment
2,348 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 12, 2021 · Synced Sep 22, 2026, 6:55 PM 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 22, 2026, 6:55 PM 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 22, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Efficacy of Tamsulosin in the Treatment of Ureteral Stones in Emergency Department Patients

NCT00448123
View directory record Official record
Conditions
Kidney Stones, Ureteral Stones
Interventions
Tamsulosin, Placebo
Drug
Lead sponsor
Robert Swor
Other
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 11, 2016 · Synced Sep 22, 2026, 6:55 PM EDT
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 21, 2019 · Synced Sep 22, 2026, 6:55 PM 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 16, 2008 · Synced Sep 22, 2026, 6:55 PM 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 Sep 20, 2026 · Synced Sep 22, 2026, 6:55 PM 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 22, 2026, 6:55 PM EDT
Completed Phase 4 Interventional Results available

Tranexamic Acid to Improve Same-day Discharge Rates After Holmium Laser Enucleation of the Prostate (HoLEP)

NCT05082142
View directory record Official record
Conditions
Kidney Calculi, Urologic Diseases, Benign Prostatic Hypertrophy
Interventions
Tranexamic acid
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years · Male only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 22, 2026, 6:55 PM EDT