Clinical trial Recruiting at 9 sites Observational Ages 18 and up

Registry for patients with severe asthma in Canada

Official title: International Severe Asthma Registry: Canadian Cohort

Run by University of British Columbia · NCT04045587 · Data updated 2026-11-12

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
Ages18 Years and up
SexAll
Enrollment714 (estimated)
SponsorUniversity of British Columbia
Academic / other
Locations12 sites (Edmonton, Alberta and 11 other locations)
StatusRecruiting
StartedNovember 6, 2018
Main results expectedDecember 31, 2027
Study endsDecember 31, 2028
Registry record updatedMay 1, 2026
Trial IDNCT04045587 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

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

Probably not a fit

Patients with mild to moderate asthma will not benefit from this study.

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

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.

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

Who can join: the full rules

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 it's running

  • University of Alberta
    Edmonton, Alberta, Canada
    Recruiting
  • Synergy MD Specialty Group
    Edmonton, Alberta, Canada
    Recruiting
  • University of British Columbia
    Vancouver, British Columbia, Canada
    Recruiting
  • University of British Columbia
    Vancouver, British Columbia, Canada
    Recruiting
  • Kingston General Hospital
    Kingston, Ontario, Canada
    Recruiting
  • The Ottawa Hospital
    Ottawa, Ontario, Canada
    Recruiting
Show 6 more locations
  • Inspiration Research Limited
    Toronto, Ontario, Canada
    Recruiting
  • Université de Sherbrooke
    Sherbrooke, Quebec, Canada
    Recruiting
  • Université Laval
    Quebéc City, Quebéc, Canada
    Recruiting
  • University of Western Ontario
    London, Ontario, Canada
    Not yet recruiting
  • McGill University
    Montreal, Quebec, Canada
    Not yet recruiting
  • University of Saskatchewan
    Saskatoon, Saskatchewan, Canada
    Active not recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.
Last reviewed 2026-11-14 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.