Real-Life Clinical Use of Symbicort® Maintenance and Reliever Therapy for Asthmatic Patients in Korea.

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Real-Life Clinical Use of Symbicort® Maintenance and Reliever Therapy for Asthmatic Patients in Korea.

Allergy Asthma Immunol Res. 2018 Jan;10(1):88-94

Authors: Kim SH, Kim TB, Kim SH, Park HW, Song SH, Jeong JW, Jee YK, Park SW, Kim MS, Yoon HJ

Abstract
The aim of this study was to examine the daily practice patterns of Symbicort® Maintenance and Reliever Therapy (SMART) in Korean asthmatic patients and to analyze clinical signs related to overuse. This study used an observational, multicenter, noninterventional, prospective, uncontrolled design for examining asthmatic patients prescribed SMART to assess the frequency and pattern of Symbicort® usage as a maintenance and reliever medication. The characteristics of patients showing signs of overuse (frequency of inhalation: 8 or more times per day) were also analyzed. Among the 1,518 patients analyzed, 1,292 (85.1%) completed the trial. The number of mean inhalations per day was 2.14±1.15; the number of patients who had at least 1 as needed usage (PRN) inhalation per day was 843 (55.5%); the mean frequency of PRN use was 0.25±0.67 inhalations per day. The number of patients who overused for at least 1 day was 260 (17.1%). In particular, young patients, patients with limited physical activity, and patients with nocturnal symptoms demonstrated high frequency of overuse. The frequency of overuse during SMART was not high in Korean asthmatic patients and the asthma status of follow-up outpatients improved overall. However, there is a need for careful education targeted toward younger patients, patients with limited physical activity, and patients with nocturnal symptoms owing to their tendency to frequently overuse.

PMID: 29178682 [PubMed]

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