Registry for patients with severe asthma in Canada

International Severe Asthma Registry: Canadian Cohort

Observational University of British Columbia · NCT04045587

This study is collecting health information from people with severe asthma in Canada to see how they respond to treatments and improve their care over the next five years.

Quick facts

Study typeObservational
Enrollment714 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of British Columbia Academic / other
Locations12 sites (Edmonton, Alberta and 11 other locations)
Trial IDNCT04045587 on ClinicalTrials.gov

What this trial studies

The International Severe Asthma Registry aims to improve the care of individuals with severe asthma by collecting detailed health and treatment information from participants over five years. This observational study will gather anonymized longitudinal data through medical chart reviews and participant interviews at multiple Canadian sites. The collected data will help researchers understand severe asthma better and develop improved treatment strategies. Participants will be followed annually to track their progress and treatment responses.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older who are receiving treatment for severe asthma according to GINA guidelines.

Not a fit: Patients with mild to moderate asthma will not benefit from this study.

Why it matters

Potential benefit: If successful, this registry could lead to enhanced treatment options and better management strategies for patients with severe asthma.

How similar studies have performed: Other similar registries have shown success in improving asthma management and treatment outcomes, indicating the potential effectiveness of this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participants 18 years or older
* Participants receiving treatment according to GINA Step 5 or uncontrolled in GINA Step 4 (uncontrolled is defined as having severe asthma symptoms or frequent exacerbations)

Exclusion Criteria:

-Participants with mild to moderate asthma

Where this trial is running

Edmonton, Alberta and 11 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Severe Asthma
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.