Status:

COMPLETED

LowSalt4Life: A Mobile Application to Reduce Sodium Intake And Blood Pressure

Lead Sponsor:

University of Michigan

Collaborating Sponsors:

National Heart, Lung, and Blood Institute (NHLBI)

Conditions:

Hypertension

Blood Pressure

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

This research is being done to learn if a smartphone app with and without a just in time adaptive intervention (JITAI) can help patients with hypertension manage their sodium intake and improve their ...

Detailed Description

The primary and secondary outcomes will be determined in months 1 \& 2. Participants will continue for another 4 months and during that time data for exploratory measures will be collected. During th...

Eligibility Criteria

Inclusion

  • Diagnosed with essential hypertension (HTN) by a medical provider and are on stable doses of antihypertensive therapy for at least three months prior to enrollment as documented in the electronic health record (EHR) and confirmed by participant self-report.
  • A smartphone with a compatible Apple or Android operating system installed and able to download and use LowSalt4Life app including accepting all permissions and willing to allow the mobile applications to send push notifications
  • A valid email address
  • Fluent in spoken and written English

Exclusion

  • Unstable symptoms or markedly elevated blood pressure (BP) at enrollment (defined as systolic BP\>180 mmHg, diastolic BP\>120 mmHg)
  • Contraindication to a sodium restriction diet
  • An estimated sodium intake less than 1,500mg per day
  • Known secondary causes of HTN (e.g., adrenal insufficiency, pheochromocytoma)
  • Estimated glomerular filtration rate (EGFR) \<30 or end-stage renal disease on dialysis
  • Heart failure
  • Inability to use Withings devices (blood pressure cuff and scale) due to equipment limitations or contraindications
  • Currently pregnant or intent to become pregnant during the study period

Key Trial Info

Start Date :

August 15 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 31 2025

Estimated Enrollment :

410 Patients enrolled

Trial Details

Trial ID

NCT05396001

Start Date

August 15 2022

End Date

October 31 2025

Last Update

November 18 2025

Active Locations (1)

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1

The University of Michigan

Ann Arbor, Michigan, United States, 48109