Can a phone app help kidney patients keep healthy habits? small study tests feasibility

NCT ID NCT04858295

Completed Knowledge-focused Sponsor: University of Pennsylvania Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This pilot study tested a smartphone-based tool called SMART-HABITS in 47 adults with chronic kidney disease and high blood pressure. The tool provided reminders, feedback, and educational resources through text messages or an app, and linked to wearable devices like Fitbits and blood pressure monitors. The main goal was to see if people would actually use the tool and find it acceptable, not to measure health outcomes. The study used a cross-over design to compare preferences for text versus app communication.

What this could mean

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

Active substance: mobile health app and text messaging
What this could lead to: If successful, this approach could point toward a practical, low-cost way to help people with chronic kidney disease stick to healthy habits and manage their blood pressure.
What could go wrong: This is a very small pilot study (47 people) focused on feasibility, not on proving health benefits. The results may not apply to everyone, and the app may not work for those less comfortable with technology.

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome hypertensive disorder

As listed by the trial registrant

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

HYPERTENSION RENAL INSUFFICIENCY CHRONIC

Contacts and locations

Locations

Penn Presbyterian Medical Center

Philadelphia, Pennsylvania, 19104, United States

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