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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Potassium control diet Clear all
Enrolling by invitation Not applicable Interventional

Plant-Focused Nutrition in Patients With Diabetes and Chronic Kidney Disease

NCT05514184
View directory record Official record
Conditions
Chronic Kidney Disease (CKD) With Diabetes Mellitus (DM), CKD Stage 3, CKD Stage 4, CKD Stage 5, Diabetes Mellitus, Diabetic Kidney Disease
Interventions
PLAFOND diet
Dietary Supplement
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Orange, California • Torrance, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Phase 2 Interventional Results available

Effect of KNO3 Compared to KCl on Oxygen UpTake in Heart Failure With Preserved Ejection Fraction (KNO3CK OUT HFPEF)

NCT02840799
View directory record Official record
Conditions
Heart Failure
Interventions
Potassium Nitrate (KNO3), Potassium Chloride (KCl)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
3
States / cities
Evanston, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Sep 2, 2026, 3:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Interactive Effects of Sodium and Potassium on Vascular Health in Older Adults

NCT07649005
View directory record Official record
Conditions
Healthy Older Adults
Interventions
low sodium/low potassium diet, high sodium/low potassium diet, high sodium/high potassium diet
Other
Lead sponsor
Florida State University
Other
Eligibility
55 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 2, 2026, 3:03 PM EDT
Not listed Not applicable Interventional

Dietary Sodium (DS) Intervention to Reduce Volume Overload and Tissue Sodium in Magnetic Resonance Imaging (MRI) for Hemodialysis (HD) Patients

NCT03189758
View directory record Official record
Conditions
Kidney Failure, Chronic, Dietary Modification
Interventions
Observational Control Diet, Controlled Dietary Sodium Restriction
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 2, 2020 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Phase 1Phase 2 Interventional

Metabolic Effects of Non-Nutritive Sweeteners

NCT01200940
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Sucralose, Aspartame, Acesulfame-Potassium, Control
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
6 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 21, 2021 · Synced Sep 2, 2026, 3:03 PM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Retention of Potassium From Potatoes and Potassium Gluconate, and the Effect on Blood Pressure.

NCT02697708
View directory record Official record
Conditions
Hypertensive Disease
Interventions
Potassium control diet, Potassium gluconate diet, Potato Diet, French Fries Diet
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Curves 30/30 Study

NCT04344821
View directory record Official record
Conditions
Weight Loss
Interventions
Curves Calcium, Placebo
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Sep 2, 2026, 3:03 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Effects of Red Beetroot Juice on High-Fat Meal-Induced Endothelial Dysfunction and Cardiometabolic Disturbances

NCT02949115
View directory record Official record
Conditions
Overweight, Obesity, Aging, Menopause
Interventions
70 mL red beetroot juice, 70 mL red beetroot juice without nitrate, 70 mL placebo drink plus potassium nitrate, 70 mL placebo drink
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
40 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 12, 2018 · Synced Sep 2, 2026, 3:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Breaking up Prolonged Sedentary Behavior to Improve Cardiometabolic Health

NCT05353322
View directory record Official record
Conditions
Sedentary Behavior, Cardiometabolic Risk Factors, Blood Pressure, Glucose
Interventions
Sedentary Break (Walking) Condition, Sitting (Control) Condition, Controlled Diet
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
324 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 2, 2026, 3:03 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Photodegraded Edible Food Dyes

NCT04708704
View directory record Official record
Conditions
Thyroid; Functional Disturbance
Interventions
Erythrosine, prepared in drinking water (0.69 mg/kg bw/day), SODIS-treated erythrosine, prepared in drinking water (0.69 mg/kg bw/day), Iodine, prepared in drinking water 0.075 mg/kg bw/day)
Dietary Supplement
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Sep 2, 2026, 3:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Dietary Approaches to Stop Hypertension in 'Diastolic' Heart Failure 2 (DASH-DHF 2)

NCT01942395
View directory record Official record
Conditions
Diastolic Heart Failure, Hypertensive Heart Disease
Interventions
DASH/sodium-restricted diet (DASH/SRD), Control Diet
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional

Effects of a Whole-food, Plant-based Nutrition Program on BP and Potassium in Subjects With CKD

NCT06343129
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Dietary education program
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 2, 2026, 3:03 PM EDT
Terminated Not applicable Interventional Results available

Potassium Intake-response Trial to Control Hypertension

NCT05758142
View directory record Official record
Conditions
Blood Pressure
Interventions
Potassium Chloride, Placebo
Dietary Supplement · Other
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability of Potassium From Potatoes and Potassium Gluconate

NCT01881295
View directory record Official record
Conditions
Potassium Bioavailability, Blood Pressure
Interventions
Placebo control, Low dose potassium gluconate, Medium dose potassium gluconate, High dose potassium gluconate, Low dose potato, Medium dose potato, High dose potato, High dose French fries, Basal diet control
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional

Prepared Meals to Prime and Perpetuate Reduced Dietary Sodium Intake in Hemodialysis

NCT03990311
View directory record Official record
Conditions
Hypertension in Dialysis Patients, Fluid Overload in Dialysis Patients
Interventions
Sodium Restricted Meals, Control
Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2023 · Synced Sep 2, 2026, 3:03 PM EDT
Not listed Not applicable Interventional

Dietary Sodium-Restriction (DIS) and Renal Meals (RM) for Hemodialysis (HD)(DISaRM-HD)

NCT04991441
View directory record Official record
Conditions
Kidney Failure, Chronic, Dietary Modification
Interventions
Controlled Dietary Sodium Restriction, Control Diet & Controlled Dietary Sodium Restriction
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional

Long COVID-19 Syndrome Lifestyle Intervention Study

NCT05836402
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Phase 4 Interventional

Use of a Novel Diet (UC DIET) for Treatment of Mild to Moderate Active Pediatric Ulcerative Colitis

NCT02345733
View directory record Official record
Conditions
Ulcerative Colitis (UC)
Interventions
Ulcerative Colitis Diet, Antibiotic cocktail
Other · Drug
Lead sponsor
Prof. Arie Levine
Government
Eligibility
8 Years to 19 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of S. Boulardii and Amoxicillin/Clavulanate on Gut Microbiota

NCT01473368
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Saccharomyces boulardii, Amoxicillin Clavulanate
Dietary Supplement · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 3, 2017 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Intake Modifications to Protect Against Changes in Bone Metabolism

NCT01713634
View directory record Official record
Conditions
Bone Resorption
Interventions
Preflight, In-flight
Other
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
Not listed
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2015 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional

Randomized Trial of Tailored Dietary Advice to Lower Blood Pressure

NCT01689844
View directory record Official record
Conditions
High Blood Pressure
Interventions
DASH Plus, DASH - C
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2016 · Synced Sep 2, 2026, 3:03 PM EDT
Completed No phase listed Observational

Effect of Viscous Fiber on Postprandial Kalemic Response in Hemodialysis Patients

NCT05086185
View directory record Official record
Conditions
Hyperkalemia, Chronic Kidney Disease Requiring Chronic Dialysis
Interventions
Kalemic Response to Orange Juice, Kalemic Response to Orange Juice with Fiber
Diagnostic Test · Dietary Supplement
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years to 89 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 2, 2026, 3:03 PM EDT
Completed Not applicable Interventional

Potassium Intake in Patients With Chronic Kidney Disease

NCT00949585
View directory record Official record
Conditions
Chronic Kidney Disease, Hypertension
Interventions
Dietary intake of potassium
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 18, 2012 · Synced Sep 2, 2026, 3:03 PM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Comparing Alkalinizing Agents Efficacy on Stone Risk in Patients on a Metabolically Controlled Diet

NCT04651088
View directory record Official record
Conditions
Kidney Stone
Interventions
Potassium citrate, Sodium bicarbonate, Litholyte, Crystal Lite, Potassium Bicarbonate
Drug · Dietary Supplement
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 2, 2026, 3:03 PM EDT