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

Description

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 blood pressure.

Conditions

Hypertension, Blood Pressure

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Study Overview

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Study Details

Study overview

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 blood pressure.

A Just-In-Time Adaptive Mobile Application Intervention To Reduce Sodium Intake And Blood Pressure In Hypertensive Patients: LowSalt4Life

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

Condition
Hypertension
Intervention / Treatment

-

Contacts and Locations

Ann Arbor

The University of Michigan, Ann Arbor, Michigan, United States, 48109

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • 1. 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.
  • 2. 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
  • 3. A valid email address
  • 4. Fluent in spoken and written English
  • 1. Unstable symptoms or markedly elevated blood pressure (BP) at enrollment (defined as systolic BP\>180 mmHg, diastolic BP\>120 mmHg)
  • 2. Contraindication to a sodium restriction diet
  • 3. An estimated sodium intake less than 1,500mg per day
  • 4. Known secondary causes of HTN (e.g., adrenal insufficiency, pheochromocytoma)
  • 5. Estimated glomerular filtration rate (EGFR) \<30 or end-stage renal disease on dialysis
  • 6. Heart failure
  • 7. Inability to use Withings devices (blood pressure cuff and scale) due to equipment limitations or contraindications
  • 8. Currently pregnant or intent to become pregnant during the study period

Ages Eligible for Study

18 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

University of Michigan,

Brahmajee Nallamothu, PRINCIPAL_INVESTIGATOR, University of Michigan

Study Record Dates

2025-11-30