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Objective confirmation of asthma diagnosis improves medication adherence
V Backer1, L Stensen1, A Sverrild1
1a Department of Respiratory Medicine , Bispebjerg University hospital , Copenhagen , Denmark.
Summary
A confirmed asthma diagnosis through objective testing significantly improves medication adherence. Verified asthma patients showed higher prescription redemption rates and better inhaled corticosteroid (ICS) coverage.
Area of Science:
- Pulmonary Medicine
- Pharmacoeconomics
- Clinical Diagnostics
Background:
- Asthma diagnosis confirmation impacts patient adherence.
- Real-world data on diagnostic work-up effects is limited.
Purpose of the Study:
- To investigate if a confirmed asthma diagnosis increases medication redemption.
- To assess the impact of diagnostic verification on drug adherence.
Main Methods:
- Retrospective study of 300 patients with possible asthma.
- Analysis of medication redemption data from the Danish Registry of Medicinal Product Statistics.
- Categorization into verified (positive diagnostic tests) and unverified asthma.
Main Results:
- Verified asthma patients received new therapies more often (88.9% vs 65.0%).
- Increased redemption of second (52% vs 27%) and subsequent asthma prescriptions in verified group.
- Higher Percent Days Covered (PDC) for inhaled corticosteroids (ICS) in verified asthma patients (88% vs 30%).
Conclusions:
- Objective verification of asthma diagnosis is linked to improved prescription redemption.
- Diagnostic confirmation may enhance long-term medication adherence in asthma management.
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