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Breathe easy: new study tests air quality alerts for safer outdoor exercise

NCT ID NCT07500948

Knowledge-focused Sponsor: University of Leicester 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether giving people with heart or lung conditions real-time air pollution data helps them exercise outdoors more safely. 80 participants will use a smartphone platform that tracks their walking and local air quality. The goal is to see if this approach reduces pollution exposure during exercise and is easy for patients to use.

What this could mean

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

Active substance
Progressive walking exercise programme with real-time air pollution monitoring via an online platform
What this could lead to
If successful, this could show that giving patients real-time air quality info helps them exercise more safely and effectively, potentially improving rehab outcomes.
What could go wrong
This is a small, early feasibility study with only 80 participants. It may not prove any health benefits, and the technology might be too complex for some patients to use regularly.

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

About 80 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

Mar 2027

An estimate. End dates often move.

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

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Cohort A: Patients with long-term conditions Inclusion criteria for Cohort A are: male or female adults aged ≥18 years; clinical diagnosis of one or more of asthma, COPD, interstitial lung disease (ILD), coronary heart disease (CHD), or heart failure (HF), and signed off for exercise rehabilitation by a clinician; ownership of a GPS-enabled smartphone with internet access; ability to walk outdoors for a minimum of 5 minutes without feeling uneasy or unsteady; availability to complete the 13-week intervention within the recruitment window (February-May 2026); willingness and ability to give informed consent; and willingness to wear a Fitbit device for \>70% of the study duration. * Inclusion criteria for Cohort B are identical to Cohort A, with the exception that participants must have no diagnosis of asthma, COPD, ILD, CHD, or HF. Exclusion Criteria: * Exclusion criteria for both cohorts are: diagnosis of dementia, learning disability, severe mental health disorders (excluding depression or anxiety), or epilepsy; receiving palliative care; insufficient English language ability to understand study documentation and use the platform; having been advised not to exercise by a healthcare professional within the past 12 months; currently pregnant; presence of chest pain at rest; and marked unsteadiness when standing or walking.

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Conditions

The condition(s) this trial relates to.

asthma cardiovascular disorder chronic obstructive pulmonary disease COPD, severe early onset coronary artery disorder heart failure interstitial lung disease Motor Activity

As listed by the trial registrant

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

Asthma Cardiovascular disease COPD

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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More trials for these conditions

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