title: Asthma Controller Medications for Children in Japan: Analysis of an Administrative Claims Database.
abstract: Background. Treatment and management strategies for asthma in children are generally consistent internationally, but prescription of antiasthma drugs differs among countries. The objective of this study was to examine the prescribing patterns of antiasthma drugs, particularly controller medications, in children. Methods. A retrospective cohort study was performed in children with asthma using an administrative claims database in Japan. Results. A total of 1149 preschool-age and 3226 school-age children were identified. Leukotriene receptor antagonists were prescribed for about 80% of the children. Long-acting β-agonists were prescribed for 87.6% and 59.6% of preschool-age and school-age children, respectively, whereas prescriptions of inhaled corticosteroids had lower rates of 8.2% and 16.5%, respectively. In an examination of prescriptions at 1-month intervals, a relatively high number of children were prescribed bronchodilators without anti-inflammatory agents. Conclusion. Our findings suggest that asthma care for children in Japan can be improved through changes in drug prescriptions.
authors.affiliation: Kyoto University, Kyoto, Japan.
authors.forename: Shota
authors.initials: S
authors.lastname: Hamada
authors.affiliation: Kyoto University, Kyoto, Japan; Kurashiki Central Hospital, Kurashiki, Japan.
authors.forename: Hironobu
authors.initials: H
authors.lastname: Tokumasu
authors.affiliation: Kyoto University, Kyoto, Japan.
authors.forename: Akira
authors.initials: A
authors.lastname: Sato
authors.affiliation: Kyoto University, Kyoto, Japan.
authors.forename: Masahiro
authors.initials: M
authors.lastname: Iwasaku
authors.affiliation: Kyoto University, Kyoto, Japan.
authors.forename: Koji
authors.initials: K
authors.lastname: Kawakami
keywords: antiasthmatic agents; asthma; children; drug utilization; pharmacoepidemiology; preschool