Smartphone prompts timed to mood may boost quitting efforts

NCT ID NCT04376489

Completed Symptom relief Sponsor: University of Utah Source: ClinicalTrials.gov ↗

First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time

Summary

This trial tests whether sending tailored smartphone messages at moments of high vulnerability (negative mood and cigarette availability) can help smokers engage with quitting strategies. About 114 current smokers motivated to quit will receive up to six prompts per day for ten days, comparing no prompt, low-effort tips, or more effortful strategies. The goal is to see if timing messages to a person's state makes them more likely to use the advice.

What this could mean

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

Active substance: smartphone-delivered behavioral prompts tailored to mood and cigarette availability
What this could lead to: If it works, this approach could make quitting aids more effective by delivering the right support at the right moment.
What could go wrong: This is a small, early-stage study focused on engagement, not quitting success. The prompts may not help everyone, and results may not apply to all smokers.

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

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Conditions

The condition(s) this trial relates to.

Tobacco Smoking

As listed by the trial registrant

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

CURRENT SMOKER TOBACCO SMOKING

Contacts and locations

Locations

University of Utah

Salt Lake City, Utah, 84102, United States

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