Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 1, 2026, 11:00 PM EDT

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Showing 25–48 of 244 matching trials from the live ClinicalTrials.gov search.
Conditions
Hyperkalaemia
Interventions
Sodium Zirconium Cyclosilicate (SZC), Enhanced dietary advice, Standard dietary advice including K+ restriction.
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
West Palm Beach, Florida
Conditions
Cirrhosis, Hepatic Encephalopathy, Hyponatremia
Interventions
Tolvaptan
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Cerebral Hyponatremia, SIADH, Cerebral Salt-wasting Syndrome, Reset Hypothalamic Osmostat
Interventions
Tolvaptan in euvolemic hyponatremia
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Mineola, New York
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Hydration on Gut Health and Thinking

NCT05315531
Conditions
Dehydration, Cognitive Change, Gastrointestinal Microbiota
Interventions
Water Intake
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
19 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Urbana, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Oral Rehydration Solution in Healthy Adults

NCT06130475
Conditions
Dehydration
Interventions
Oral Rehydration Solution (ORS), Water
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
18 Years to 40 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Orlando, Florida
Completed Phase 2 Interventional Results available

Studies of Elevated Parathyroid Activity

NCT00001277
Conditions
Hyperparathyroidism, Hypercalcemia, Parathyroid Neoplasm, Multiple Endocrine Neoplasia, MEN1
Interventions
68Ga-Dotatate, 18F-DOPA
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
2 Months and older
Enrollment
1,553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Chronic Kidney Disease (CKD), Hyperkalemia (HK)
Interventions
Patiromer, Placebo
Drug
Lead sponsor
Relypsa, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
14
States / cities
Azusa, California • Los Angeles, California • Sacramento, California + 11 more
Completed Not applicable Interventional Accepts healthy volunteers

Dehydration Cognition

NCT05916183
Conditions
Dehydration
Interventions
Fluid loss and consumption
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 26 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Buffalo, New York
Terminated Phase 2 Interventional Results available

Studies With 1,25-Dihydroxycholecalciferol

NCT00001151
Conditions
Hypocalcemia, Rickets
Interventions
1,25-Dihydroxycholecalciferol
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1976 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Intravenous Fluids, Fluid and Electrolyte Imbalance, ADH Inappropriate
Interventions
Education, clinical decision support tools
Other
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
28 Days to 18 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
89
States / cities
Phoenix, Arizona • Fresno, California • Loma Linda, California + 76 more
Conditions
Water-Electrolyte Imbalance
Interventions
polyethylene glycol powder
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Year to 18 Years
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Idiopathic Hypercalciuria, Hypokalemia Caused by Thiazide Diuretics
Interventions
Spironolactone
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Hypoparathyroidism, Hypocalcemia, Autoimmune Polyendocrine Syndrome Type 1, Autosomal Dominant Hypocalcemia Type 1 (ADH1)
Interventions
Synthetic Human Parathyroid Hormone 1-34 pump
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
7 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Hyperkalemia
Interventions
Sodium polystyrene sulfonate, Silicified microcrystalline cellulose
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Edgewater, Florida
Conditions
Hyponatremia
Interventions
Conivaptan, D5
Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New York, New York
Conditions
Head and Neck Cancer
Interventions
Quality of Life Survey, Health Management Surveys, Monitoring Devices, Symptoms Surveys, Device Usability Survey
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
427 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Paget's Disease of the Bone, Hypocalcemia
Interventions
Reclast (ZOL446, zoledronic acid), Calcium, Vitamin D
Drug · Dietary Supplement
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
Not listed
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
9
States / cities
Phoenix, Arizona • Tucson, Arizona • Gainesville, Georgia + 6 more
Conditions
Hyponatremia
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
4 Weeks to 17 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
5
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • New York, New York + 2 more
Completed Not applicable Interventional Accepts healthy volunteers

Rehydration With a Trace Mineral Supplement

NCT06858904
Conditions
Dehydration (Physiology)
Interventions
Placebo, ConcenTrace, ZeroLyte
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Hypoparathyroidism
Interventions
open-label PTH(1-84)
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 85 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
New York, New York
Conditions
Primary Hyperparathyroidism
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
6
States / cities
Iowa City, Iowa • Lawrence, Kansas • Minneapolis, Minnesota + 3 more
Conditions
Brain Injury, Hyponatremia
Interventions
Tolvaptan
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
3
States / cities
St Louis, Missouri • Chapel Hill, North Carolina • Charleston, South Carolina
Conditions
Inappropriate ADH Syndrome, Hyponatremia
Interventions
SR121463B
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Bridgewater, New Jersey
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Oral Carbohydrate Consumption Prior to Cesarean Section

NCT02684513
Conditions
Dehydration
Interventions
Oral Carbohydrate Beverage, Rehydration beverage
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida