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Can a phone app help seniors stick to their blood pressure pills?

NCT ID NCT05610059

Disease control Sponsor: University of Arizona Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study tested two different blood pressure tracking systems on smartphones to see if they help older adults take their medication regularly. About 200 people aged 65 and older with high blood pressure used one of the systems for six months. The goal was to see if one system improved medication adherence and blood pressure control better than the other.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
blood pressure technology system (smartphone-based)
What this could lead to
If successful, this could point toward simple, scalable ways to help older adults better manage their blood pressure medication.
What could go wrong
This is a small, completed trial with only 200 participants, so results may not apply to everyone. The intervention relies on having an iPhone, which limits who can benefit.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

200 people

The number who actually took part.

Started

Nov 2022

Finished

Mar 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

65 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * age 65 years or older * self-manage at least one hypertension medication * able to read and speak English * willing to participate in the study for six months * currently have and use an Apple iPhone * have hypertension medication adherence ≤ 90% in the last 2 weeks of the 4-week baseline monitoring period using an AARDEX MEMS® cap Exclusion Criteria: * have inadequate visual acuity (worse than 20/50 corrected near vision on Snellen test) * experience severe depression (\> 11 on Geriatric Depression Scale Short Form, GDS-15) * are at risk for cognitive impairment (\< 23 on Montreal Cognitive Assessment, MoCA) * been instructed by their healthcare provider to withhold their blood pressure medication

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Conditions

The condition(s) this trial relates to.

hypertensive disorder Medication Adherence

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Aging Hypertension Medication adherence

Contacts and locations

Locations

  • University of Arizona

    Tucson, Arizona, 85721, United States

  • University of Illinois Urbana-Champaign

    Champaign, Illinois, 61820, United States

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