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AsthmaNCT04578171

Residual Exacerbations With Mepolizumab

An observational study of Asthma, run by Laval University at 1 site in Canada.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

This will be a two-year prospective study to characterize the nature of the remaining asthma exacerbations in patients treated with mepolizumab. Participants will be assessed every six months from pre- until two years of treatment in addition to whenever they experience an exacerbation of asthma during the study… Read more about this study

Who is it for?
Ages 18 to 90 years
Conditions the study is for
Asthma
What is being tested?
Mepolizumab
Type of treatment
Injection or infusion
How many people
60 participants
Where
1 siteCanada
Study dates
6 Jul 2021to Jan 2028
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 90 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients with severe asthma treated with mepolizumab at the IUCPQ-UL a tertiary care center from the Quebec city area.

Who may be able to join

  • With a proven diagnosis of severe asthma as defined by the Canadian Thoracic Society
  • Eligible for mepolizumab treatment
  • Able and willing to sign the informed consent form

Who cannot join

  • Any respiratory disease apart from asthma
  • Confounding comorbidities sur as eosinophilic granulomatosis with polyangiitis (EGPA) or hypereosinophilic syndrome

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Canada1 site, 1 recruiting
  • Institut universitaire de cardiologie et de pneumologie de Québec

    Québec, Quebec, G6K 1L8

    Andréanne Côté, MD-MSc, 4186564747, andreanne.cote@criucpq.ulaval.ca

    Marie-Eve Boulay, 4186568711 ext. Côté, marie-eve.boulay@criucpq.ulaval.ca

    Recruiting

Other trials in Canada

About this study

Official title: Type and Mechanisms of Residual Asthma Exacerbations in Patients Treated With Mepolizumab

This will be a two-year prospective study to characterize the nature of the remaining asthma exacerbations in patients treated with mepolizumab. Participants will be assessed every six months from pre- until two years of treatment in addition to whenever they experience an exacerbation of asthma during the study period. During these visits, various clinical, physiological and inflammatory outcomes will be assessed.

Read the detailed description

Before initiation of mepolizumab, a recording of patient's demographics, clinical, physiological and inflammatory features will be recorded. All subjects will be reassessed for the above measures at 6, 12, 18 and 24 months.

In addition to the above visits, patients will be assessed every time they experience either moderate or severe exacerbation of asthma over the treatment period.

Based on the percentage of sputum eosinophils and neutrophils, the type of inflammatory exacerbation will be determined

Conditions
Asthma
Being tested
Mepolizumab
Keywords
exacerbation, inflammation, monoclonal antibody
Medical subject headings
Asthma, Inflammation

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • MepolizumabDrug

    Also called nucala

    100 mg subcutaneous injections every four weeks

Study groups in NCT04578171
Study groupRoleWhat they receive
Study populationSubjects with severe asthma treated with mepolizumab
Receives: Drug: Mepolizumab

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Proportion of eosinophilic vs non-eosinophilic remaining exacerbation during the treatment period

    Eosinophilic exacerbation defined as >=3% sputum eosinophils. Ratio of eosinophilic vs non eosinophilic asthma exacerbation

    Measured: Between baseline and month 24

Secondary outcomes (6)
  1. Change from baseline in asthma control on the Asthma Control Questionnaire (ACQ-5) at 24 months

    The ACQ-5 is a validated, self-reported questionnaire assessing asthma control over the last week. Possible scores range from 0 (complete control) to 5 (no control). Change = (Month 24 score - baseline score)

    Measured: Baseline and month 24

  2. Change from baseline in post-bronchodilator forced expiratory volume in one second (FEV1) at 24 months

    Value of FEV1 measured after inhalation of 400ug of salbutamol. Recorded in Li. (Month 24 FEV1 value - baseline FEV1 value)

    Measured: Baseline and month 24

  3. Change from baseline in post-bronchodilator FEV1/forced vital capacity (FVC) ratio at 24 months

    Value of FEV1/FVC measured after inhalation of 400 ug of salbutamol. (Month 24 value - baseline value)

    Measured: Baseline and month 24

  4. Change from baseline in fraction of exhaled nitric oxide (FeNO) levels at 24 months

    Recorded in ppb using the mean of two reproducible measurements. (Month 24 value - baseline value)

    Measured: Baseline and month 24

  5. Change from baseline in percentage of sputum eosinophils at 24 months

    Determined from induced sputum analysis. (Month 24 sputum eosinophil percentages - baseline sputum eosinophil percentages)

    Measured: Baseline and month 24

  6. Change from baseline in percentage of sputum neutrophils

    Determined from induced sputum analysis. (Month 24 sputum neutrophil percentages - baseline sputum neutrophil percentages).

    Measured: Baseline and month 24

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Oct 2020
  2. Study start6 Jul 2021
  3. Primary completionJan 2027 (estimated)
  4. Study completionJan 2028 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
60 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04578171
Sponsor's protocol ID
CÉR21903
Status last verified
Feb 2025
First submitted
28 Sep 2020
Last updated
10 Feb 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Asthma, run by Laval University at 1 site in Canada.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 10 Feb 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Canada. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Marie-Eve Boulay, MSc (4186568711 ext. 2617, marie-eve.boulay@criucpq.ulaval.ca), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Proportion of eosinophilic vs non-eosinophilic remaining exacerbation during the treatment period (time frame: Between baseline and month 24). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Feb 2025.

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