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    Chest. 1992 Feb;101(2):496-9.

    A comparison of the effects of bid and qid dosing on compliance with inhaled flunisolide.

    Mann M, Eliasson O, Patel K, ZuWallack RL.

    Source

    Section on Pulmonary Diseases, Saint Francis Hospital and Medical Center, Hartford, CT.

    Abstract

    Noncompliance with inhaled steroids is a well-recognized problem in asthma therapy. We compared compliance with bid and qid regimens of inhaled flunisolide in 16 asthmatic subjects. Patients were instructed to take four inhalations bid for T1 to establish baseline compliance. During T2, half (group A) continued this dosing regimen, while the other half (group B) switched to two inhalations qid. Group A compliance did not significantly change from T1 to T2. The percentage of days with less than eight inhalations (underuse) for group B, however, increased from 20.2 +/- 40.3 in T1 (bid dosing) to 57.1 +/- 49.6 in T2 (qid dosing) (p less than 0.001). Concomitantly, the number of daily inhalations decreased from 7.9 +/- 2.5 to 6.8 +/- 3.1 (p less than 0.01). Reduced compliance with qid dosing was due in large part to an increase in frequency of six inhalations per day, resulting from tid use. Compliance with inhaled flunisolide, therefore, was worse with qid than bid dosing.

    PMID:
    1735279
    [PubMed - indexed for MEDLINE]
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