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 Sep 3, 2026, 5:26 AM EDT

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

Showing 1–17 of 17 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Kidney stone formers Clear all
Completed Phase 2 Interventional Results available

Evaluating ALLN-177 for Reducing Urinary Oxalate Excretion in Calcium Oxalate Kidney Stone Formers With Hyperoxaluria

NCT02289755
View directory record Official record
Conditions
Hyperoxaluria, Nephrolithiasis
Interventions
ALLN-177
Drug
Lead sponsor
Allena Pharmaceuticals
Industry
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
4
States / cities
Indianapolis, Indiana • Lake Success, New York • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Sep 3, 2026, 5:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Endogenous Oxalate Synthesis in Idiopathic Calcium Oxalate Kidney Stone Disease

NCT06989320
View directory record Official record
Conditions
Kidney Stones, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate, Nephrolithiasis, Nephrolithiasis, Calcium Oxalate, Oxalate Urolithiasis, Healthy, Healthy Volunteer
Interventions
Low-oxalate diet and glycolate dosing, Oral glycolate dosing, Oral 13C- ascorbic acid dosing
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
2
States / cities
Birmingham, Alabama • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 3, 2026, 5:26 AM EDT
Withdrawn Phase 2Phase 3 Interventional

The Effect of Vitamin D on Urinary Calcium Excretion in Kidney Stone Formers With High Urinary Calcium

NCT00948740
View directory record Official record
Conditions
Vitamin D Deficiency, Nephrolithiasis
Interventions
vitamin D (ergocalciferol)
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 8, 2017 · Synced Sep 3, 2026, 5:26 AM EDT
Terminated Not applicable Interventional

Mobile Health Platform for Surveillance of Kidney Stone

NCT05389982
View directory record Official record
Conditions
Stone, Kidney
Interventions
mHealth (GetWell), Standard Care
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 3, 2026, 5:26 AM 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 3, 2026, 5:26 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 Aug 31, 2026 · Synced Sep 3, 2026, 5:26 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 Sep 3, 2026, 5:26 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 7, 2026 · Synced Sep 3, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Validation of the Wisconsin Stone-QOL

NCT02188108
View directory record Official record
Conditions
Urolithiasis, Nephrolithiasis, Kidney Stones
Interventions
Wisconsin Stone-QOL survey
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
3,299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 3, 2026, 5:26 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Descriptive Analysis of Gut Microbiome Alterations in Hyperoxaluric Patients

NCT02794649
View directory record Official record
Conditions
Oxalate, Primary Hyperoxaluria, Microbiome
Interventions
Not listed
Lead sponsor
VA New York Harbor Healthcare System
Federal
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Sep 3, 2026, 5:26 AM 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 3, 2026, 5:26 AM EDT
Recruiting Not applicable Interventional

O. Formigenes Colonization in Calcium Oxalate Kidney Stone Disease

NCT06330246
View directory record Official record
Conditions
Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate, Nephrolithiasis, Nephrolithiasis, Calcium Oxalate, Oxalate Urolithiasis, Oxaluria
Interventions
Low oxalate fixed diets pre-colonization, Moderately high oxalate fixed diets pre-colonization, Colonization with Oxalobacter formigenes, Low oxalate fixed diets post-colonization, Moderately high oxalate fixed diets post-colonization
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
2
States / cities
Birmingham, Alabama • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 3, 2026, 5:26 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 26, 2023 · Synced Sep 3, 2026, 5:26 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 3, 2026, 5:26 AM EDT
Completed No phase listed Observational

Health-related Quality of Life in Rare Kidney Stone

NCT02124395
View directory record Official record
Conditions
Primary Hyperoxaluria, Cystinuria, Adenine Phosphoribosyl Transferase Deficiency, Dent Disease
Interventions
Health-related Quality of Life in Rare Kidney Stone Questionnaire
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
5 Years and older
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
2
States / cities
Rochester, Minnesota • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Sep 3, 2026, 5:26 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Oxalate and Citrate in Humans - Response to Citrate

NCT06944223
View directory record Official record
Conditions
Kidney Stone, Healthy
Interventions
Kidney stone formers, Control cohort
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 3, 2026, 5:26 AM EDT
Withdrawn Phase 2 Interventional

Potassium Citrate Supplementation vs. Dietary Counseling

NCT01980004
View directory record Official record
Conditions
Kidney Stone
Interventions
Potassium Citrate Supplementation, Dietary Education
Dietary Supplement · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 11, 2015 · Synced Sep 3, 2026, 5:26 AM EDT