Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 23, 2026, 10:06 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 209 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Calculi, Urinary Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Multi-Center Comparison of Dual Lumen Versus Single Lumen Ureteroscopes

NCT02123082
View directory record Official record
Conditions
Urolithiasis
Interventions
Storz single Lumen Ureteroscope, Dual Lumen Ureteroscope
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Jul 23, 2026, 10:06 AM 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 Jul 23, 2026, 10:06 AM EDT
Completed Phase 2Phase 3 Interventional Results available

A Study to Assess the Effect of Cannabidiol Oil on Pain After Ureteroscopy for Kidney Stones

NCT04387617
View directory record Official record
Conditions
Urinary Stone
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 17, 2023 · Synced Jul 23, 2026, 10:06 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Influence of Obesity on Endogenous Oxalate Synthesis

NCT03704350
View directory record Official record
Conditions
Kidney Stone
Interventions
controlled diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 23, 2026, 10:06 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 Jul 23, 2026, 10:06 AM EDT
Recruiting No phase listed Observational

Stone and Laser Therapies Post-Market Study (SALT)

NCT06982235
View directory record Official record
Conditions
Benign Prostate Hypertrophy(BPH), Renal Calculi, Ureteral Stones, Kidney Stones, Calculi, Urinary, Urinary Tract Procedure
Interventions
Ureteroscope system, Laser system
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
Not listed
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
5
States / cities
Phoenix, Arizona • Miami, Florida • Tampa, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 23, 2026, 10:06 AM 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 Jul 23, 2026, 10:06 AM 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 Jul 23, 2026, 10:06 AM EDT
Recruiting Not applicable Interventional

Evaluation of Enhanced Lithotripsy System (ELS) in the Treatment of Urinary Stones, A Pivotal Trial

NCT06942949
View directory record Official record
Conditions
Kidney Calculi; Ureteral Calculi
Interventions
ELS (Enhanced Lithotripsy System)
Device
Lead sponsor
Avvio Medical
Industry
Eligibility
21 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
20
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Bakersfield, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 23, 2026, 10:06 AM EDT
Recruiting Phase 4 Interventional

Hydroxycitrate: A Novel Therapy for Calcium Phosphate Urinary Stones

NCT06003348
View directory record Official record
Conditions
Calcium Phosphate Kidney Stones
Interventions
OHCit- standard dose, Potassium Citrate, Placebo, OHCit- low dose
Dietary Supplement · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 99 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 23, 2026, 10:06 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 30, 2025 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional

SOUND Pivotal Trial - (Sonomotion stOne comminUtion resoNance ultrasounD)

NCT05701098
View directory record Official record
Conditions
Kidney Stone, Urolithiasis, Nephrolithiasis, Renal Calculi, Kidney Calculi, Nephrolith, Urinary Calculi
Interventions
Break Wave extracorporeal lithotripsy
Device
Lead sponsor
SonoMotion
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
7
States / cities
San Diego, California • San Francisco, California • Santa Clara, California + 4 more
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional

Database and Registry for Renal Diverticulum

NCT00169715
View directory record Official record
Conditions
Kidney Stones, Renal Calculi, Tic
Interventions
Percutaneous Caliceal Diverticuli
Procedure
Lead sponsor
Indiana Kidney Stone Institute
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 17, 2008 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional

A Dietary Source of Potassium Citrate to Resolve Hypocitraturia and Aciduria in Patients With Kidney Stones

NCT03984409
View directory record Official record
Conditions
Kidney Calculi
Interventions
Kroger low calorie orange juice beverage
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Jul 23, 2026, 10:06 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 3, 2026 · Synced Jul 23, 2026, 10:06 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety of Using MPC-5971 in Subjects Undergoing Shock Wave Lithotripsy

NCT00860093
View directory record Official record
Conditions
Nephrolithiasis
Interventions
placebo, MPC-5971
Other · Drug
Lead sponsor
Mission Pharmacal
Industry
Eligibility
18 Years to 70 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
Meridian, Idaho • Columbus, Ohio • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Jul 23, 2026, 10:06 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 Jul 23, 2026, 10:06 AM EDT
Completed Phase 1Phase 2 Interventional

Pharmacokinetic, Safety and Efficacy Study of OMS201 in Subjects Undergoing Retrograde Ureteroscopic Removal of Upper Urinary Tract Stones

NCT00857090
View directory record Official record
Conditions
Urinary Calculi, Urinary Stones, Urinary Tract Stones, Renal Calculi, Kidney Stones
Interventions
OMS201, Vehicle
Drug
Lead sponsor
Omeros Corporation
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Orange, California • Denver, Colorado • Nasville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2012 · Synced Jul 23, 2026, 10:06 AM 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 Jul 23, 2026, 10:06 AM EDT
Completed Phase 2 Interventional Results available

Treatment for Calcium Phosphate Kidney Stone Disease

NCT01754779
View directory record Official record
Conditions
Calcium Phosphate Kidney Stones
Interventions
Placebo, Citric Acid, Potassium Citrate
Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced Jul 23, 2026, 10:06 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 29, 2020 · Synced Jul 23, 2026, 10:06 AM EDT
Recruiting Early Phase 1 Interventional

NSAIDs Stent Study

NCT03638999
View directory record Official record
Conditions
Ureteral Stent Placement, Kidney Stone
Interventions
Ketorolac Trometamol 30Mg/1mL Injection, Normal saline
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Jul 23, 2026, 10:06 AM EDT
Completed No phase listed Observational

Asymptomatic Renal Calculi in Recurrent Urinary Tract Infections

NCT04495699
View directory record Official record
Conditions
Urinary Tract Infections, Kidney Stone
Interventions
None - observational
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
5
States / cities
Phoenix, Arizona • San Diego, California • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Jul 23, 2026, 10:06 AM EDT
Completed Not applicable Interventional

Evaluation of Pain Before and After Removal of Non-obstructive Kidney Stones

NCT03657667
View directory record Official record
Conditions
Kidney Stone
Interventions
Ureteroscopy
Procedure
Lead sponsor
Centre hospitalier de l'Université de Montréal (CHUM)
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
8
States / cities
Davis, California • San Diego, California • Bloomington, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Jul 23, 2026, 10:06 AM EDT