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Can a simple test combo pinpoint asthma faster?

NCT ID NCT07792213

Diagnosis Sponsor: George Eliot Hospital 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 28, 2026 · Last updated Aug 28, 2026

Summary

This study compares common diagnostic tests for asthma in adults to see which ones, alone or combined, most accurately identify the condition. Participants with suspected asthma will undergo spirometry, FeNO, oscillometry, and a bronchial provocation challenge. Researchers will compare test results against the final diagnosis to measure accuracy, and also examine how obesity and normal spirometry affect results. The goal is to improve diagnostic accuracy and speed up care.

What this could mean

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

Active substance
Diagnostic tests: spirometry, fractional exhaled nitric oxide (FeNO), oscillometry, and bronchial provocation testing
What this could lead to
If successful, this could lead to faster and more accurate asthma diagnoses, reducing unnecessary tests and improving care for people with suspected asthma.
What could go wrong
This is a diagnostic accuracy study, not a treatment trial. Results may not apply to all populations, and the tests may not perform as well in real-world settings.

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

About 2,176 people

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

Started

Aug 2026

Expected to finish

Jul 2028

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.

Who is studied

Potential participants will be identified from adults referred to the Physiological Sciences Department at George Eliot Hospital NHS Trust for objective investigation of suspected asthma through routine primary or secondary care referral pathways. Eligible participants will be assessed by the research team. Only patients who provide written informed consent will be enrolled into the study. Following consent, the lead researcher will access relevant electronic healthcare records to collect the clinical information required for the study, as described in the consent form. Study data will be assigned a unique pseudonymised study identification number and stored securely, password-protected, on the Trust's systems. Access to identifiable information will be restricted to authorised members of the research team in accordance with the UK GDPR, the Data Protection Act 2018 and NHS information governance policies.

Ages

16 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: * •Adults aged 16years and older * Referral for objective investigation of suspected asthma * Ability to provide written informed consent Exclusion Criteria: * Previous confirmed diagnosis of asthma or other chronic airways disease * Respiratory tract infection within six weeks prior to testing * Current smoker or ex-smoker with a greater than 10p\\pack-year smoking history * Inability to perform pulmonary function testing to acceptable technical standards * Contraindications to any of the diagnostic investigations as per departmental guidelines * Lack of capacity to provide informed consent

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Conditions

The condition(s) this trial relates to.

asthma disease

As listed by the trial registrant

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

Asthma (diagnosis)

Contacts and locations

Locations

  • Physiological Sciences

    Nuneaton, North Warwickshire, CV10 7DJ, United Kingdom

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