A Comparison of Diagnostic Testing Modalities in the Assessment of Asthma

Recruiting now

Conditions studied: Asthma

In brief

This study aims to assess the concordance of international asthma guidelines in the diagnosis of asthma and explore the presence of airways disease using additional non-guideline physiologic criteria, such as IOS (impulse osciollometry), not included in the guidelines, but available in the Portsmouth lung function service.

Key facts

Study ID

NCT06286085

Run by

Portsmouth Hospitals NHS Trust

People needed

2000

Starts

2024-02-27

Expected to finish

2027-05-27

Last updated by the study team

2025-07-17

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• The patient will meet all the following criteria to be considered eligible for the study:
• Aged 18 years or over.
• All patients who have attended full asthma workups from November 2021 till date
• Willing and able to consent to use their data in this study (opt-out form or e-consent).
• Patients referred to the Portsmouth asthma service for diagnosis and further management of presumed asthma. Comorbidities are common in asthma, thus patients with co-existing conditions such as obesity, bronchiectasis or COPD will be included.

You may not qualify if…

• The participant may not enter the study if either of the following apply:
• Unable to comprehend the study and provide informed consent, e.g., insufficient command of English in the absence of someone who can adequately interpret.
• Patients with other primary respiratory conditions, such as ILD.

Where it is running

• Portsmouth Hospitals University NHS Trust — Portsmouth, United Kingdom (enrolling)

Full record on ClinicalTrials.gov

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