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Asthma Severity in patients initiating controller monotherapy versus combination therapy
Gregory B Diette1, Anne L Fuhlbrigge, Felicia Allen-Ramey
1Pulmonary and Critical Care Medicine, The Johns Hopkins University, Baltimore, MD 21205, USA. gdiette@jhmi.edu
Summary
Asthma controller monotherapy and combination therapy showed similar asthma control levels initially. However, combination therapy was linked to more hospitalizations and physician visits for both children and adults.
Area of Science:
- Pulmonology
- Clinical Medicine
- Pharmacotherapy
Background:
- Asthma management guidelines prioritize medication selection based on disease control levels.
- Initial controller therapy choice is crucial for effective asthma management.
Purpose of the Study:
- To compare asthma control in patients initiating either monotherapy or combination therapy for asthma.
- To identify differences in asthma control and healthcare utilization between these initial treatment strategies.
Main Methods:
- A study included 488 children (5-16 years) and 530 adults (17-80 years) with asthma, treatment-naive for controllers in the prior 6 months.
- Telephone surveys assessed demographics, pre-therapy asthma control, and resource use within 5 days of initiating monotherapy or combination therapy.
- Patients were categorized into monotherapy (one controller) or combination therapy (≥2 controllers or fixed-dose combination).
Main Results:
- No significant differences in asthma control scores were observed between monotherapy and combination therapy groups at initiation.
- Children on combination therapy showed increased asthma attack hospitalizations and physician visits (scheduled and unscheduled).
- Adults on combination therapy also had higher rates of asthma attack hospitalizations and regular asthma-related doctor visits.
Conclusions:
- Asthma severity, assessed before initiating controller therapy, did not significantly differ between patients starting monotherapy versus combination therapy.
- Physician decisions on initial therapy intensity may be influenced by factors beyond current asthma control, such as healthcare encounter intensity.
- While initial control levels may be similar, combination therapy was associated with higher healthcare resource utilization in both pediatric and adult asthma patients.
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