AI vs. human texts: which gets seniors off the couch?

NCT ID NCT07593677

Recruiting now Symptom relief Sponsor: University of Michigan Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study tests whether motivational text messages can increase physical activity in adults aged 40 and older who are not very active. Participants will wear activity trackers and receive up to 4 texts per day for 3 months, some timed based on their personal habits. The goal is to see which messages work best and whether they also improve thinking skills.

What this could mean

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

Active substance: motivational text messages
What this could lead to: If successful, this could show that personalized text messages are a simple, low-cost way to help older adults become more active and improve thinking skills.
What could go wrong: This is a small, early-stage study (150 people) testing behavior change, not a drug. Results may not apply to everyone, and the effect on activity levels may be modest or short-lived.

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Conditions

The condition(s) this trial relates to.

Motor Activity Sedentary Behavior

As listed by the trial registrant

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

AGING BEHAVIOR CHANGE COGNITIVE ABILITY PHYSICAL INACTIVITY

Contacts and locations

Locations

University of Michigan
RECRUITING

Ann Arbor, Michigan, 48109, United States

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