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Can a smartphone app help people with asthma breathe easier?

NCT ID NCT05047419

Disease control Sponsor: Linnea Polgreen Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a mobile health app, paired with a Bluetooth-enabled peak flow meter, could help people with asthma track their breathing. 83 adults with asthma, including some who were pregnant, used the app to measure their lung function. The goal was to see if this approach was practical and useful for improving asthma monitoring.

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 intervention (app and Bluetooth peak flow meter)
What this could lead to
If successful, this approach could make it easier for people with asthma to monitor their condition and share data with their doctor.
What could go wrong
This was a small pilot study with only 83 participants, so results may not apply to everyone. The intervention requires a smartphone and may not work for those without one.

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.

Participants

83 people

The number who actually took part.

Started

Aug 2021

Finished

Feb 2023

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.

Who is studied

Pregnant and Not Pregnant participants with an Asthma diagnosis.

Ages

18 to 50 years

Sex

Female participants only

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: * Able to read and write in English or Spanish; * Current patient at participating clinic; * Diagnosis of asthma; * Owns a smartphone capable of supporting Bluetooth-enabled peak flow meter. Exclusion Criteria: * 3rd trimester of pregnancy; * Current prisoner status; * Unable to provide own written informed consent.

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Conditions

The condition(s) this trial relates to.

asthma

As listed by the trial registrant

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

Asthma Pregnancy

Contacts and locations

Locations

  • University of Iowa Hospitals & Clinics

    Iowa City, Iowa, 52242, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.