An open, self-controlled study on the efficacy of topical indoxacarb for eliminating fleas and clinical signs of flea-allergy dermatitis in client-owned dogs in Queensland, Australia

Veterinary Dermatology
Petr FisaraJanet von Berky

Abstract

Canine flea-allergy dermatitis (FAD), a hypersensitivity response to antigenic material in the saliva of feeding fleas, occurs worldwide and remains a common presentation in companion animal veterinary practice despite widespread availability of effective systemic and topical flea-control products. To evaluate the clinical response in dogs with FAD treated topically with indoxacarb, a novel oxadiazine insecticide. Twenty-five client-owned dogs in Queensland, Australia diagnosed with pre-existing FAD on the basis of clinical signs, flea-antigen intradermal and serological tests. An open-label, noncontrolled study, in which all dogs were treated with topical indoxacarb at 4 week intervals, three times over 12 weeks. Twenty-four dogs completed the study. Complete resolution of clinical signs of FAD was observed in 21 cases (87.5%), with nearly complete resolution or marked improvement in the remaining three cases. Mean clinical scores (Canine Atopic Dermatitis Extent and Severity Index-03) were reduced by 93.3% at week 12. Mean owner-assessed pruritus scores were reduced by 88% by week 12. Mean flea counts reduced by 98.7 and 100% in weeks 8 and 12, respectively. Topical indoxacarb treatment applied every 4 weeks for 12 weeks, wit...Continue Reading

References

Jan 1, 1997·Annual Review of Entomology·M K Rust, M W Dryden
Feb 13, 2001·British Journal of Pharmacology·B LapiedD B Sattelle
Apr 20, 2005·Trends in Parasitology·Michael K Rust
Mar 16, 2007·Veterinary Dermatology·Thierry OlivryUNKNOWN International Task Force On Canine Atopic Dermatitis
Sep 12, 2007·Veterinary Dermatology·P B HillJ Rybnicek

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