Effects of Fluticasone Propionate Dosage in an Experimental Model of Feline Asthma

Overview

Journal J Feline Med Surg

Specialty Veterinary Medicine

Date 2009 Aug 4

PMID 19647461

Citations 12

Authors

Leah A Cohn

Amy E DeClue

Rachael L Cohen

Carol R Reinero

Affiliations

Soon will be listed here.

Abstract

Cats with inflammatory bronchial disease are usually treated with glucocorticoid (GC) drugs to reduce airway inflammation. Inhalant GC delivery can preserve airway effects while systemic effects are minimized. An appropriate dosage regimen for inhaled GC in cats has not been investigated. A blinded, randomized, cross-over study design was used to investigate the ability of three different dosages of the inhalant GC fluticasone propionate delivered by metered dose inhaler to ameliorate eosinophilic airway inflammation in cats with experimentally induced allergic airway inflammation. Further, suppression of the hypothalamic-pituitary-adrenal axis (HPAA) at each dose was assessed. Fluticasone administered at dosages of 44, 110, or 220 microg q 12h reduced airway eosinophilia by 74%, 82%, or 81%, respectively (no difference). None of the dose regimens tested caused HPAA suppression. We conclude that a twice daily dosage of 44 microg fluticasone should be evaluated for the management of cats with naturally occurring inflammatory bronchial disease.

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