Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:45 AM EDT

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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Nuun Instant on Hydration Status in Active Men and Women

NCT04764565
Conditions
Hydration
Interventions
Nuun Instant, Water, Nuun Electrolyte
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Kidney Stone
Interventions
Baking Soda, LithoLyte
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Active, not recruiting Not applicable Interventional

Potassium Citrate and Crystal Light Lemonade

NCT05389995
Conditions
Kidney Stone
Interventions
Potassium citrate, Crystal light, Potassium citrate + crystal light
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
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
Conditions
Sleep
Interventions
Asutra's 'Dream the night away' nighttime lotion
Other
Lead sponsor
Asutra
Industry
Eligibility
18 Years to 59 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Oxalate and Citrate in Humans - Response to Citrate

NCT06944223
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
Enrolling by invitation No phase listed Observational

Contribution of Bone to Urine Citrate

NCT06811363
Conditions
Osteoporosis
Interventions
Metabolic / prescribed diet, KCit Load (40 meq), Anti-resorptive agents, Anabolic Agents
Other · Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Foot Ulcer, Diabetic
Interventions
Wound Dressing
Device
Lead sponsor
Solventum US LLC
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
6
States / cities
Montgomery, Alabama • Castro Valley, California • Bay Pines, Florida + 3 more
Conditions
Long COVID-19 Syndrome
Interventions
Low carbohydrate diet intervention
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Hydration
Interventions
Nuun Sport Drink, Control
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Kidney Stones, Urolithiasis, Hypocitraturia, Nephrolithiasis
Interventions
Potassium Citrate, Sodium Bicarbonate
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 1 more
Terminated Phase 2Phase 3 Interventional Results available

Bone in CKD Alkali Response (BICARb Pilot Trial)

NCT05918029
Conditions
Chronic Kidney Diseases, Bone Loss
Interventions
Potassium Citrate Extended Release Oral Tablet, Placebo, Potassium Citrate and Citric Acid Oral Solution
Drug · Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
5 Years to 100 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
The Bronx, New York • Pittsburgh, Pennsylvania
Conditions
Bowel Preparation
Interventions
PicoPrep, HalfLytely, bisacodyl
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
9
States / cities
Huntsville, Alabama • Sherwood, Arkansas • Bristol, Connecticut + 6 more
Conditions
Hypertension
Interventions
KMgCit, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2032
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Bowel Preparation
Interventions
PicoPrep, HalfLytely, bisacodyl
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
11
States / cities
Clearwater, Florida • Hollywood, Florida • Inverness, Florida + 8 more
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
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
Not listed Not applicable Interventional Accepts healthy volunteers

Fluid Loading Countermeasures

NCT06467812
Conditions
Healthy
Interventions
Salt Tablets, Electrolyte Solution
Dietary Supplement
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
25 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Houston, Texas
Conditions
Hypertension
Interventions
Potassium Magnesium Citrate (KMgCit), Potassium Chloride (KCl), Chlorthalidone
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
3
States / cities
Dallas, Texas
Conditions
Gut Health, Bloating, Irregular Bowel Movements, Gastrointestinal Symptoms
Interventions
Active Supplement, Placebo Comparator
Dietary Supplement
Lead sponsor
Belli Welli Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Las Vegas, Nevada
Conditions
Anxiety, Stress, Memory Deficits, Cortisol Overproduction
Interventions
Heights Smart Supplement
Dietary Supplement
Lead sponsor
Heights
Industry
Eligibility
21 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Acne
Interventions
EQ Exfoliating Cleanser, EQ Gel, EQ Moisturizer
Other
Lead sponsor
Menning Labs
Industry
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Patients Undergoing Screening or Surveillance Colonoscopy
Interventions
PEG+E, PEG+Asc, P+MC, sulfate
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Uric Acid Stones
Interventions
Potassium citrate, Sodium bicarbonate
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Orange, California