Prevalence, incidence and adherence of *difficult-to-treat* adult asthma in the Netherlands

Completed

• Conditions: asthma; obstructive airway disease; 10038716

• Registration Number: NL-OMON38002
• Lead Sponsor: Academisch Medisch Centrum

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 29 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 6000

Inclusion Criteria

All patients registerd in the 73 participating pharmacies using inhaled corticosteroids

Exclusion Criteria

patients with COPD will be excluded

Study & Design

• Study Type: Observational non invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>Main study parameters/endpoints:<br /><br><br /><br>Study 1: the prevalence and incidence of patients with difficult-to-treat<br /><br>asthma (cases/10.000 inhabitants) in the Netherlands.<br /><br><br /><br>Study 2: factors associated with adherence to pulmonary medication in<br /><br>difficult-to-treat asthma.<br /><br><br /><br>Study 3: inhalation technique scores in adherent patients with<br /><br>difficult-to-treat asthma<br /><br><br /><br>Study 4: To assess the prevalence of patients with truly severe, refractory<br /><br>asthma and describe the characteristics of these patients</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>not applicable</p><br>