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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Results available

Near Infrared Autofluorescence (NIRAF) Detection for Identifying Parathyroid Glands During Parathyroidectomy

NCT05152927
View directory record Official record
Conditions
Parathyroid Diseases, Parathyroid Dysfunction, Parathyroid Neoplasms, Parathyroid Adenoma, Hypercalcemia, Neoplasms, Glandular and Epithelial, Endocrine Gland Neoplasms, Adenoma, Hyperparathyroidism, Hyperparathyroidism, Primary
Interventions
Parathyroid Eye (PTeye)
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Rehydration Efficiency With Different Sports Drinks

NCT06415409
View directory record Official record
Conditions
Dehydration
Interventions
Water, Gatorade, BodyArmor, GoodSport
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioequivalency Study of Calcitriol Tablets Under Fasting Conditions

NCT00601328
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Hypocalcemia
Interventions
Calcitriol
Drug
Lead sponsor
Roxane Laboratories
Industry
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Phase 3 Interventional Results available

Open-label Safety and Efficacy of Sodium Zirconium Cyclosilicate for up to 12 Months

NCT02163499
View directory record Official record
Conditions
Hyperkalemia
Interventions
Sodium Zirconium Cyclosilicate
Drug
Lead sponsor
ZS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
36
States / cities
Scottsboro, Alabama • Tempe, Arizona • Tucson, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Jul 23, 2026, 10:56 AM EDT
Completed No phase listed Observational

A Study to Detect Hyperkalemia Using Smartphone-enabled Electrocardiogram (EKG)

NCT05441852
View directory record Official record
Conditions
Hyperkalemia
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 89 Years
Enrollment
1,151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 13, 2023 · Synced Jul 23, 2026, 10:56 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Study of In-line Pressure Using Various Techniques of Subcutaneous Administration of Fluids Enabled by Human Recombinant Hyaluronidase (INFUSE-AT1A)

NCT01116102
View directory record Official record
Conditions
Dehydration
Interventions
Subcutaneous HYLENEX (recombinant human hyaluronidase) and Lactated Ringer's solution
Drug
Lead sponsor
Baxter Healthcare Corporation
Industry
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 23, 2011 · Synced Jul 23, 2026, 10:56 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Dietary Sodium, Oxidative Stress, and Pulsatile Hemodynamics

NCT04233957
View directory record Official record
Conditions
Sodium Excess
Interventions
High Sodium, Placebo
Dietary Supplement · Other
Lead sponsor
University of Delaware
Other
Eligibility
21 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Phase 2 Interventional

A Study Evaluating the Safety and Efficacy of RDX013 for the Treatment of Hyperkalemia

NCT04780841
View directory record Official record
Conditions
Hyperkalemia
Interventions
RDX013, Placebo
Drug
Lead sponsor
Ardelyx
Industry
Eligibility
18 Years to 85 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
Coral Gables, Florida • Miami Lakes, Florida • Miami Springs, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Jul 23, 2026, 10:56 AM EDT
Recruiting Phase 2 Interventional

Patiromer for Treatment of Hyperkalaemia in Children Under 12 Years of Age

NCT05766839
View directory record Official record
Conditions
Hyperkalemia
Interventions
Patiromer
Drug
Lead sponsor
Vifor Pharma, Inc.
Industry
Eligibility
0 Years to 11 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
13
States / cities
Aurora, Colorado • Jacksonville, Florida • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Phase 3 Interventional

THE BALANCE Study: Treatment of Hyponatremia Based on Lixivaptan in NYHA Class III/IV Cardiac Patient Evaluation

NCT00578695
View directory record Official record
Conditions
Hyponatremia
Interventions
lixivaptan, Placebo
Drug
Lead sponsor
CardioKine Inc.
Industry
Eligibility
18 Years and older
Enrollment
652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2007
U.S. locations
102
States / cities
Birmingham, Alabama • Mobile, Alabama • Bakersfield, California + 82 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2011 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

INDIGO-2: The Effect of High Water Intake on Glucose Regulation in Low-drinkers

NCT04076995
View directory record Official record
Conditions
Dehydration, Diabetes Mellitus, Type 2
Interventions
Water Intake
Other
Lead sponsor
Arizona State University
Other
Eligibility
30 Years to 55 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Irradiated Blood Versus Non Irradiated Blood Transfusions in Craniosynostosis Repair

NCT02483702
View directory record Official record
Conditions
Graft Versus Host Disease, Hyperkalemia, Craniectomy, Synostectomy, FOA, Congenital Malformations
Interventions
Irradiated Blood Transfusions, Non-Irradiated Blood Transfusions
Other
Lead sponsor
Valley Anesthesiology Consultants
Other
Eligibility
2 Months to 6 Months
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 18, 2018 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Parenteral Hydration in Advanced Cancer Patients

NCT00423722
View directory record Official record
Conditions
Advanced Cancer, Dehydration
Interventions
Saline
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
5
States / cities
Conroe, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 11, 2024 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

EASI Access II --- Follow-up Study to the EASI Access Trial

NCT00740727
View directory record Official record
Conditions
Disaster Medicine, Difficult Intravenous Access, Dehydration
Interventions
Human recombinant hyaluronidase (HRH), Enzymatically Augmented Subcutaneous Infusion (EASI) line placement
Drug · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 10, 2009 · Synced Jul 23, 2026, 10:56 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Primary Hyperparathyroidism (PHPT): Early Effect of Vitamin D

NCT01329666
View directory record Official record
Conditions
Primary Hyperparathyroidism, Hypercalcemia, Vitamin D Deficiency, Osteoporosis, Osteopenia
Interventions
Placebo, Vitamin D3
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
45 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2015 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Phase 2 Interventional Results available

The Effects of Patiromer on Serum Potassium Level and Gut Microbiome of ESRD Patients With Hyperkalemia

NCT03326583
View directory record Official record
Conditions
ESRD, Hyperkalemia, End Stage Renal Disease
Interventions
Patiromer
Drug
Lead sponsor
Dominic Raj
Other
Eligibility
18 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 8, 2023 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional

Incidence of Hyponatremia in PEG-SD Compared to PEG-ELS

NCT01299779
View directory record Official record
Conditions
Hyponatremia
Interventions
PEG-SD, PEG-ELS
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2013 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Oral Carbohydrate Consumption Prior to Cesarean Section

NCT02684513
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Jul 23, 2026, 10:56 AM EDT
Terminated Phase 4 Interventional Results available

Management of Mineral and Bone Disease in Hemodialysis-Calcitriol vs. Paricalcitol

NCT01725113
View directory record Official record
Conditions
Kidney Failure, Secondary Hyperparathyroidism, Hyperphosphatemia, Hypercalcemia
Interventions
Calcitriol, Paricalcitol
Drug
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Results available

Evaluating Impact of Near Infrared Autofluorescence (NIRAF) Detection for Identifying Parathyroid Glands During Parathyroidectomy

NCT05022641
View directory record Official record
Conditions
Parathyroid Adenoma, Parathyroid Neoplasms, Parathyroid Cancer, Hypercalcemia, Primary Hyperparathyroidism
Interventions
PTeye, Standard of Care
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Jul 23, 2026, 10:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Firefighter Thermoregulatory Responses in Active Fire with Betaine Supplementation

NCT06042270
View directory record Official record
Conditions
Body Temperature Changes, Body Water Dehydration, Inflammation
Interventions
Betaine, Placebo
Dietary Supplement
Lead sponsor
Michael J. Ormsbee
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Jul 23, 2026, 10:56 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

The Role of Carbohydrate Blends and Electrolytes on Physical and Mental Performance During Cycling in the Heat

NCT07658820
View directory record Official record
Conditions
Hydration, Dehydration (Physiology), Performance
Interventions
Water (Placebo), Carbohydrate Milk Permeate sports drink, 6% Sports drink, Low-Carbohydrate Milk Permeate sports drink
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 23, 2026, 10:56 AM EDT
Terminated Phase 3 Interventional Results available

Use of Post Operative Loperamide in Colorectal Patients After Diverting Ileostomies

NCT02263365
View directory record Official record
Conditions
Dehydration, Diverting Ileostomy, Loperamide
Interventions
Loperamide
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2017 · Synced Jul 23, 2026, 10:56 AM EDT
Terminated Phase 4 Interventional Results available

Tolvaptan to Reduce Length of Stay in Hospitalized Patients With Cirrhosis and Hyponatremia

NCT01890694
View directory record Official record
Conditions
Hyponatremia
Interventions
Tolvaptan, Placebo, Hepatic Encephalopathy Assessment, Quality of Life Assessment, Vital signs, Blood laboratory tests, Ascites Evaluation, Edema
Drug · Behavioral · Biological + 1 more
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 10, 2017 · Synced Jul 23, 2026, 10:56 AM EDT