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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Renal Calculus 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Withdrawn Not applicable Interventional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 18, 2026, 10:57 PM 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 18, 2026, 10:57 PM 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 Sep 18, 2026, 10:57 PM EDT
Completed Phase 4 Interventional

Empiric Versus Selective Prevention Strategies for Kidney Stone Disease

NCT05365477
View directory record Official record
Conditions
Kidney Stones, Nephrolithiasis
Interventions
Empiric Therapy: Diet, Empiric Therapy: Drug, Selective Therapy: Diet, Selective Therapy: Drug
Behavioral · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 18, 2026, 10:57 PM EDT
Completed No phase listed Observational

Pediatric KIDney Stone (PKIDS) Care Improvement Network

NCT04285658
View directory record Official record
Conditions
Kidney Stone, Nephrolithiasis
Interventions
Ureteroscopy, Percutaneous Nephrolithotomy, Shock Wave Lithotripsy
Procedure
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 21 Years
Enrollment
1,290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
30
States / cities
Birmingham, Alabama • Los Angeles, California • Aurora, Colorado + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 18, 2026, 10:57 PM EDT
Completed Not applicable Interventional

High Powered Stone Dusting vs. Fragmentation and Basketing at Time of Ureteroscopy

NCT05006937
View directory record Official record
Conditions
Kidney Stone, Ureteral Stone
Interventions
Dusting, Basket extraction
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 89 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 18, 2026, 10:57 PM EDT
Not listed No phase listed Observational

Keller Prehospital Ultrasound Study

NCT01074112
View directory record Official record
Conditions
Ultrasonography, Multiple Trauma, Kidney Calculi, Aortic Aneurysm, Abdominal, Pregnancy, Catheterization, Venous
Interventions
EFAST exam, Pelvic Ultrasound, Ultrasound Guided Vascular Access, Focused Ultrasound Scan, Cardiac Ultrasound
Device · Procedure
Lead sponsor
Keller Fire Rescue
Government
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Keller, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2010 · Synced Sep 18, 2026, 10:57 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Potassium Citrate in Urine of Children With Elevated Calcium in Urine and Kidney Stones

NCT00120731
View directory record Official record
Conditions
Kidney Calculi
Interventions
Potassium Citrate, Acetazolamide, Diet low in oxalate and purines
Drug · Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
5 Years to 17 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Sep 18, 2026, 10:57 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 18, 2026, 10:57 PM EDT
Withdrawn Phase 1 Interventional

A Study of BMN 255 in Participants With Non-Alcoholic Fatty Liver Disease And Hyperoxaluria

NCT06138327
View directory record Official record
Conditions
Hyperoxaluria, Nonalcoholic Fatty Liver Disease, Kidney Stone
Interventions
BMN 255, Placebo
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
7
States / cities
Birmingham, Alabama • Chula Vista, California • Chula Vista Isles, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Sep 18, 2026, 10:57 PM EDT
Completed Not applicable Interventional Results available

Noninvasive Electrical Stimulator as a Pain Control Treatment Post-ureteroscopy

NCT05153629
View directory record Official record
Conditions
Kidney Stone, Ureteral Calculi, Nephrolithiasis
Interventions
TENS
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 70 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Sep 18, 2026, 10:57 PM EDT
Withdrawn Not applicable Interventional

A Study Comparing a Disposable Flexible Cystoscope With Reusable Scopes in Adult Patients.

NCT06422312
View directory record Official record
Conditions
Bladder Cancer, Bladder Stone, Bladder Outlet Obstruction, Renal Stone, Renal Disease
Interventions
Cystoscopy with RedPine flexible disposable cystoscope, Cystoscopy with standard of care flexible reusable scope
Device
Lead sponsor
Guangzhou Red Pine Medical Instrument Co., Ltd.
Industry
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Hersey, Pennsylvania • Dallas, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 18, 2026, 10:57 PM EDT
Active, not recruiting Phase 3 Interventional

Efficacy and Safety of Encaleret Compared to Standard of Care in Participants With ADH1

NCT05680818
View directory record Official record
Conditions
Autosomal Dominant Hypocalcemia (ADH)
Interventions
Encaleret, Standard of Care
Drug · Dietary Supplement
Lead sponsor
Calcilytix Therapeutics, Inc., a BridgeBio company
Industry
Eligibility
16 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
11
States / cities
Oakland, California • Aurora, Colorado • Indianapolis, Indiana + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 18, 2026, 10:57 PM EDT
Active, not recruiting Not applicable Interventional

Randall's Plaque Study: Pathogenesis and Relationship to Nephrolithiasis

NCT00169806
View directory record Official record
Conditions
Nephrocalcinosis, Renal Calculi, Hypercalciuria, Hyperparathyroidism, Cystinuria
Interventions
videotape for mapping of renal anatomy and papillary biopsy
Other
Lead sponsor
Indiana Kidney Stone Institute
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Sep 18, 2026, 10:57 PM EDT
Recruiting Early Phase 1 Interventional

SGLT2i in Kidney Stones

NCT07055282
View directory record Official record
Conditions
Kidney Stones
Interventions
Empagliflozin (Jardiance®)
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 18, 2026, 10:57 PM EDT
Completed Not applicable Interventional Results available

Effect of Tamsulosin on Stone Expulsion and Pain Resolution in ED Patients With Ureterolithiasis

NCT00762424
View directory record Official record
Conditions
Kidney Stone
Interventions
Flowmax, placebo
Drug
Lead sponsor
WellSpan Health
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
York, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Sep 18, 2026, 10:57 PM 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 26, 2023 · Synced Sep 18, 2026, 10:57 PM EDT
Completed No phase listed Observational

Natural History of Patients With PH3 and a History of Stone Events

NCT04542590
View directory record Official record
Conditions
Primary Hyperoxaluria Type 3
Interventions
Not listed
Lead sponsor
Dicerna Pharmaceuticals, Inc., a Novo Nordisk company
Industry
Eligibility
2 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2024 · Synced Sep 18, 2026, 10:57 PM EDT
Completed Not applicable Interventional

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

NCT00600405
View directory record Official record
Conditions
Nephrolithiasis, Ureteral Calculi
Interventions
tamsulosin, Standard therapy with ibuprofen and oxycodone.
Drug
Lead sponsor
MaineHealth
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Jan 24, 2008 · Synced Sep 18, 2026, 10:57 PM 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 Sep 18, 2026, 10:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of the LithoVue Elite Ureteroscope With Intra-Renal Pressure Monitoring Technology: Examination of Surgeon Behavior and Post-operative Outcomes

NCT06576661
View directory record Official record
Conditions
Kidney Stone, Nephrolithiasis
Interventions
INTRARENAL PRESSURE MONITORING VISIBLE
Device
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 18, 2026, 10:57 PM EDT
Recruiting Not applicable Interventional

Differences in Postoperative Symptoms With Four Ureteral Stents

NCT06083051
View directory record Official record
Conditions
Urinary Stone
Interventions
6Fr Percuflex ureteral stents, 6Fr Tria ureteral stents, 4.8Fr Tria ureteral stents, 4.8Fr Percuflex ureteral stents
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 89 Years
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 18, 2026, 10:57 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Influence of Obesity on Oxalate Metabolism and Handling in Calcium Oxalate Stone Formers

NCT04333745
View directory record Official record
Conditions
Kidney Stone
Interventions
Controlled Diet, Carbon-13 Oxalate and Sucralose Ingestion
Other · Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
2
States / cities
Birmingham, Alabama • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 18, 2026, 10:57 PM EDT
Completed Phase 2 Interventional

Evaluate the Effect of ALLN-177 in Reducing Urinary Oxalate in Patients With Hyperoxaluria and Kidney Stones

NCT02503345
View directory record Official record
Conditions
Secondary Hyperoxaluria, Nephrolithiasis, Kidney Stones, Hyperoxaluria, Dietary Hyperoxaluria
Interventions
ALLN-177 low dose, ALLN-177 mid dose, ALLN-177 high dose, Placebo
Drug
Lead sponsor
Allena Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
16
States / cities
Los Angeles, California • Daytona Beach, Florida • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2018 · Synced Sep 18, 2026, 10:57 PM EDT