Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/91546
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Type: Journal article
Title: Validation of the Canine Atopic Dermatitis Extent and Severity Index (CADESI)-4, a simplified severity scale for assessing skin lesions of atopic dermatitis in dogs
Author: Olivry, T.
Saridomichelakis, M.
Nuttall, T.
Bensignor, E.
Griffin, C.
Hill, P.
Citation: Veterinary Dermatology, 2014; 25(2):77-e25
Publisher: Wiley
Issue Date: 2014
ISSN: 0959-4493
1365-3164
Statement of
Responsibility: 
Thierry Olivry, Manolis Saridomichelakis, Tim Nuttall, Emmanuel Bensignor, Craig E. Griffin, and Peter B. Hill for the International Committee on Allergic Diseases of Animals, ICADA
Abstract: BACKGROUND: Severity scales are used to grade skin lesions in clinical trials for treatment of dogs with atopic dermatitis (AD). At this time, only two scales have been validated, namely the Canine Atopic Dermatitis Extent and Severity Index (CADESI)-3 and the Canine Atopic Dermatitis Lesion Index (CADLI). However, the high number of assessed sites makes the CADESI-3 impractical. HYPOTHESIS/OBJECTIVES: The aim of this study was to develop and validate a fourth version of the CADESI that is simpler and quicker to administer. METHODS: Body sites, lesions and severity grades were revised by members of the International Committee on Allergic Diseases of Animals (ICADA). The newly designed CADESI-4 was tested for its validity (i.e. content, construct and criterion), reliability (i.e. inter- and intra-observer reliability and internal consistency), responsiveness (i.e. sensitivity to change) and time to administer. Disease severity benchmarks were chosen using receiver operating characteristic methodology. RESULTS: The CADESI-4 was simplified in comparison to its previous version to comprise 20 body sites typically affected in atopic dogs. Three lesions (erythema, lichenification and alopecia/excoriation) were scored from 0 to 3 at each site. The CADESI-4 had satisfactory validity, reliability and sensitivity to change. On average, the time to administer a CADESI-4 was one-third that of a CADESI-3. Proposed benchmarks for mild, moderate and severe AD skin lesions are 10, 35 and 60, respectively. CONCLUSIONS AND CLINICAL IMPORTANCE: The CADESI-4 is simpler to use and quicker to administer than its previous version. The ICADA recommends the CADESI-4 instead of the CADESI-3 to score skin lesions of AD in dogs enrolled in clinical trials.
Keywords: International Committe on Allergic Diseases of Animals (ICADA); Animals; Dogs; Dermatitis, Atopic; Pruritus; Dog Diseases; Pain Measurement; Severity of Illness Index; Reproducibility of Results
Rights: © 2014 ESVD and ACVD
RMID: 0030009592
DOI: 10.1111/vde.12107
Appears in Collections:Animal and Veterinary Sciences publications

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