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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: KNO3 Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Study to Assess an Experimental Dentifrice in an Experimental Model of Early Stage Caries

NCT06949072
View directory record Official record
Conditions
Dental Caries
Interventions
Test Dentifrice, Reference Dentifrice, Negative Control Dentifrice
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 85 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Inorganic NItrate and EXercise Performance in Heart Failure (iNIX-HF): Dose Response

NCT02797184
View directory record Official record
Conditions
Heart Failure
Interventions
KNO3, potassium nitrate
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 74 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 19, 2025 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetics, Pharmacodynamics, and Impact of Inorganic Nitrate on Exercise in HFpEF

NCT02256345
View directory record Official record
Conditions
Heart Failure, Diastolic Heart Failure
Interventions
KNO3, KCl
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study Assessing the Effects of an Experimental Dentifrice in Maintaining Tooth Color Following Tooth Bleaching

NCT06150573
View directory record Official record
Conditions
Dentin Sensitivity, Oral Hygiene
Interventions
Test Dentifrice, Reference Dentifrice (Aquafresh Cavity Protection)
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Efficacy in Relieving Dentin Hypersensitivity of Nanohydroxyapatite-Containing Toothpastes and Cream

NCT02918617
View directory record Official record
Conditions
Dentin Sensitivity
Interventions
Control toothpaste containing Novamin® technology, Control toothpaste containing 1500 ppm fluoride as MFP, Test toothpaste with nano-HAP (high concentration), Test toothpaste with nano-HAP (low concentration), Test toothpaste with nano-HAP and (Potassium Nitrate) KNO3, Control toothpaste without nano-HAP, Test toothpaste with nano-HAP (medium concentration), Test cream with nano-HAP (higher concentration), Control cream without nano-HAP
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 80 Years
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Investigate the Stain and Plaque Removal Capability of Two Experimental Potassium Nitrate Dentifrices

NCT03267511
View directory record Official record
Conditions
Oral Hygiene
Interventions
5% KNO3 / 0.2542% NaF dentifrice with 0.5% spherical silica, 5% KNO3 / 0.2542% NaF dentifrice with 1% spherical silica and 5% STP, 5% KNO3 / 0.2542% NaF dentifrice with 6% abrasive silica, 5% KNO3 / 0.2543% NaF dentifrice with 16% abrasive silica and 5% STP
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Sensitive Whitening Toothpaste, Containing 5% KNO3 (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains Over 4 Weeks of Unsupervised Use.

NCT07761715
View directory record Official record
Conditions
Teeth Staining
Interventions
Toothpaste
Other
Lead sponsor
Boka LLC
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Trial of Nano-hydroxyapatite-Containing Toothpastes for Relief of Dentin Hypersensitivity

NCT04590040
View directory record Official record
Conditions
Dentin Sensitivity
Interventions
Placebo, 15% nano-HAP toothpaste, 5% KNO3 toothpaste
Other · Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
20 Years to 80 Years
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Sep 5, 2026, 12:38 PM EDT
Recruiting Phase 2 Interventional

Matching Perfusion and Metabolic Activity in HFpEF

NCT04913805
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Potassium Nitrate, Potassium Nitrate + Propionyl-L-Carnitine + Nicotinamide Riboside, Potassium Chloride
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

An Erosion Study to Investigate the Efficacy of an Experimental Dentifrice to Remineralize Enamel

NCT06242444
View directory record Official record
Conditions
Tooth Erosion
Interventions
Experimental Dentifrice, Placebo Control Dentifrice, Reference Dentifrice
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Sep 5, 2026, 12:38 PM EDT
Recruiting Phase 2 Interventional

SGLT2i and KNO3 in HFpEF - The SAK HFpEF Trial

NCT05138575
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Empagliflozin + Potassium Chloride, Empagliflozin + Potassium Nitrate, Potassium Chloride + Placebo for Empagliflozin
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Study to Investigate the Tooth Stain Removal Efficacy of Two Experimental Toothpastes Compared to a Standard Toothpaste When Used Twice Daily for 8 Weeks

NCT05459558
View directory record Official record
Conditions
Oral Hygiene
Interventions
Experimental Dentifrice 1, Experimental Dentifrice 2, Reference Dentifrice
Drug
Lead sponsor
HALEON
Industry
Eligibility
18 Years to 65 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Phase 2 Interventional Results available

Efficacy of Potassium Nitrate Solution in Reducing Dentinal Hypersensitivity

NCT01115452
View directory record Official record
Conditions
Dentine Hypersensitivity
Interventions
5% Potassium nitrate, 2.5% Potassium nitrate, Sterile water
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Phase 2 Interventional Results available

Targeting Pulsatile Load to Increase Exercise Capacity and Quality of Life After Aortic Valve Replacement for Severe Aortic Stenosis (PULSE AS)

NCT03483051
View directory record Official record
Conditions
Aortic Valve Stenosis
Interventions
Potassium Nitrate, Potassium Chloride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 90 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Sep 5, 2026, 12:38 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 5, 2026, 12:38 PM EDT
Recruiting Phase 2 Interventional

The Inorganic Nitrate and eXercise Performance in Heart Failure (iNIX-HF)

NCT05562167
View directory record Official record
Conditions
Heart Failure
Interventions
KNO3, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
19 Years to 79 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

In Situ Erosion Study to Investigate the Effectiveness of an Experimental Toothpaste

NCT03296072
View directory record Official record
Conditions
Tooth Erosion
Interventions
0.254% w/w sodium fluoride and 5% KNO3, 0.454% w/w stannous fluoride, 5% KNO3
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Efficacy of Experimental Gel to Foam Dentifrices in Dental Erosion

NCT01657903
View directory record Official record
Conditions
Dental Erosion, Acid Wear
Interventions
Sodium Fluoride, Potassium nitrate
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 5, 2026, 12:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dietary Nitrate Supplementation and Crossfit Athletes

NCT02162927
View directory record Official record
Conditions
Performance
Interventions
Dietary Nitrate, Potassium Chloride (placebo)
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
20 Years to 35 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
2
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Sep 5, 2026, 12:38 PM EDT