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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers Results available

Obesity and Endogenous Oxalate Synthesis

NCT03808090
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
Completed Not applicable Interventional Accepts healthy volunteers

Targeted Protein Fortification in Extremely Low Birth Weight Preterm Infants

NCT02943746
Conditions
Premature Infants
Interventions
Standard Protein Diet, High Protein Diet
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
14 Days and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Calcium Metabolism in Mexican American Adolescents

NCT01277185
Conditions
Osteoporosis
Interventions
Low Calcium Diet, High Calcium Diet
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
12 Years to 15 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss

NCT03515889
Conditions
Weight Loss
Interventions
Ideal Protein Weight Loss Method, Standard Weight Loss
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
22 Years to 79 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bogalusa, Louisiana
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Dietary Guidelines 3 Diets Study

NCT04981847
Conditions
Type 2 Diabetes
Interventions
Dietary Intervention Meetings
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Columbia, South Carolina
Recruiting Phase 4 Interventional

CaOx Stone Prevention

NCT07225764
Conditions
Kidney Stones
Interventions
Chlorthalidone, Low oxalate diet
Drug · Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Results available

Therapeutic Diets in Alzheimer's Disease

NCT03860792
Conditions
Alzheimer Disease
Interventions
Ketogenic Diet, Therapeutic Lifestyles Changes Diet
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
50 Years to 90 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Fairway, Kansas
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
Conditions
CKD
Interventions
LP then HP, HP then LP
Other
Lead sponsor
University of Minnesota
Other
Eligibility
30 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Indianapolis, Indiana
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
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Sodium Intake on Calcium Retention in Girls

NCT01564238
Conditions
Osteoporosis
Interventions
Low Na diet (1.3 g/d), High sodium diet (3.8 g/d)
Other
Lead sponsor
Purdue University
Other
Eligibility
11 Years to 15 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2000
U.S. locations
1
States / cities
West Lafayette, Indiana
Conditions
Small Intestinal Bacterial Overgrowth
Interventions
Novel Supplement Based Therapy
Dietary Supplement
Lead sponsor
Atrium Innovations
Industry
Eligibility
19 Years to 84 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Oxford, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

Analysis of Calcium Balance in Chronic Kidney Disease

NCT00974532
Conditions
Chronic Kidney Disease
Interventions
High calcium diet 2000 mg/day, Low calcium diet, 800 mg/day
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Denver, Colorado
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Effect of Blueberries on Bone Turnover

NCT02630797
Conditions
Osteoporosis, Postmenopausal, Bone Loss, Age-related
Interventions
Blueberry Baseline, Blueberry Low, Blueberry Medium, Blueberry High
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
West Lafayette, Indiana
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase 2 Reduction of Dietary Mycotoxin Exposure by ACCS100"

NCT01677195
Conditions
Dietary Carcinogenesis
Interventions
ACCS100, Placebo
Drug
Lead sponsor
Texas Enterosorbents Incorporated
Industry
Eligibility
18 Years to 85 Years
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Prostate Cancer, Cardiovascular Disease
Interventions
Nutrition, Exercise, Smoking cessation, Statin (such as Simvastatin, Atorvastatin, Rosuvastatin, Pravastatin), ACE inhibitor
Behavioral · Drug
Lead sponsor
McMaster University
Other
Eligibility
45 Years and older · Male only
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
4
States / cities
Augusta, Georgia • Kansas City, Kansas • Philadelphia, Pennsylvania + 1 more
Conditions
Sarcoidosis, Vitamin D Insufficiency
Interventions
Ergocalciferol, Placebo, Calcium Citrate with Vitamin D2
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Endogenous Oxalate Synthesis in Idiopathic Calcium Oxalate Kidney Stone Disease

NCT06989320
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
Completed Not applicable Interventional Accepts healthy volunteers

Colorectal Inflammatory Response to a Western-Style Diet

NCT00932308
Conditions
Colorectal Cancer
Interventions
Western-style diet (WD), Prudent Diet (PD)
Dietary Supplement
Lead sponsor
Rockefeller University
Other
Eligibility
50 Years to 72 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Completed Phase 3 Interventional Results available

Heartland Osteoporosis Prevention Study

NCT02186600
Conditions
Osteopenia
Interventions
Calcium Carbonate, Vitamin D3, Risedronate, Bone-loading exercises
Drug · Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Omaha, Nebraska
Recruiting Not applicable Interventional Accepts healthy volunteers

Gut Oxalate Absorption in Calcium Oxalate Stone Disease

NCT06331546
Conditions
Kidney Stone, Kidney Calculi, Urolithiasis, Urolithiasis, Calcium Oxalate, Nephrolithiasis, Nephrolithiasis, Calcium Oxalate, Oxalate Urolithiasis, Oxaluria, Healthy
Interventions
Low-oxalate diet, High-oxalate diet, soluble oxalate gut absorption test
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2031
U.S. locations
2
States / cities
Birmingham, Alabama • Dallas, Texas
Conditions
Colorectal Inflammation
Interventions
Western style diet (high fat and low in calcium), Prudent-style diet (low fat and high in calcium)
Dietary Supplement
Lead sponsor
Rockefeller University
Other
Eligibility
50 Years to 72 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
New York, New York
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Oxalate Formation From Ascorbic Acid

NCT04603898
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Oxalobacter Formigenes Colonization and Urinary Oxalate Excretion

NCT03752684
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