Using inflammation tests to improve asthma diagnosis in children and adults

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to evaluate the effectiveness of inflammometry, specifically measuring fractional exhaled nitric oxide (FeNO) and blood eosinophil count (BEC), in prioritizing respiratory diagnostic tests for suspected asthma cases. It will include patients aged six and older who have been referred for diagnostic asthma testing at three hospital centers in Quebec. The hypothesis is that utilizing these biomarkers will reduce diagnostic delays for high-risk patients, thereby improving the overall diagnostic pathway and reducing wait times for necessary tests. The study seeks to address the current challenges in accessing timely asthma diagnostics, particularly for those with Type 2 eosinophilic inflammation.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* patients age 6 and older
* referred by primary care ofr an asthma diagnostic test (spirometry or methacholine challenge)

Exclusion Criteria:

* referred by pulmonologist

Where it's running

• CIUSSS de l'Estrie - CHUS
  Sherbrooke, Quebec, Canada Recruiting
• CHU Sainte-Justine
  Montreal, Quebec, Canada Not yet recruiting
• Montreal Children's Hospital
  Montreal, Quebec, Canada Not yet recruiting

Study contacts

• Study coordinator: Simon Couillard, MD, MSc
• Email: s.couillard@usherbrooke.ca
• Phone: +1-819-346-1110

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.