NCT05396001Completed
LowSalt4Life: A Mobile Application to Reduce Sodium Intake And Blood Pressure
A Just-In-Time Adaptive Mobile Application Intervention To Reduce Sodium Intake And Blood Pressure In Hypertensive Patients: LowSalt4Life
Source: ClinicalTrials.gov · Last updated 18 Nov 2025
Brief summary (registry, in English)
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.
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 410 (actual)
- First submitted
- 24 May 2022
- Start date
- 15 Aug 2022
- Primary completion date
- 31 Oct 2025
- Lead sponsor
- University of Michigan
- Diseases
- High blood pressure
- NCT number
- NCT05396001
What you commit to
- Study type: Interventional
- Participants enrolled: 410
- From 15 Aug 2022 to the primary completion date, 31 Oct 2025
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Known secondary causes of HTN (e.g., adrenal insufficiency, pheochromocytoma)
- Heart failure
Lab values
- Contraindication to a sodium restriction diet
- An estimated sodium intake less than 1,500mg per day
- Estimated glomerular filtration rate (EGFR) \<30 or end-stage renal disease on dialysis
Other
- Unstable symptoms or markedly elevated blood pressure (BP) at enrollment (defined as systolic BP\>180 mmHg, diastolic BP\>120 mmHg)
- 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
Who the study is looking for
- 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
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Save your city in your profile to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| The University of Michigan Coordinator of this site? Confirm its status | Ann Arbor | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.