Impact of a Low-Cost and Simple Intervention in Enhancing Treatment Adherence in a Brazilian Asthma Sample

Authors: Chatkin, J.¹; Blanco, D.¹; Scaglia, N.²; Wagner, M.¹; Fritscher, C.¹

Source: Journal of Asthma, Volume 43, Number 4, May 2006 , pp. 263-266(4)

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Abstract:

The aim of this study was to evaluate adherence to treatment in persistent asthma in Brazil to determine the factors associated with non-adherence and to measure the efficacy of telephone calls in enhancing adherence. In a prospective, multicenter, interventional clinical trial with parallel groups, asthmatics were randomized into an intervention group or a control group. Asthmatics included in the intervention group received an initial telephone call to record demographic information and asthma characterization. After that, biweekly telephone calls were made to promote treatment adherence. Asthmatics included in the control group received only the initial and final telephone calls. Both groups received three packages of salmeterol/fluticasone for 3 months. The main outcome measure was the percentage of participants who took the prescribed doses of the drug. A total of 271 patients were included. The overall adherence rate was 51.9% for the control group and 74.3% for the intervention group. This meant a reduction of relative risk (RRR) of 47% ( p

Keywords: adherence rate; treatment adherence; intervention; inhaled corticosteroids; asthma control

Document Type: Research article

DOI: http://dx.doi.org/10.1080/02770900600620459

Affiliations: 1: School of Medicine, Pontificia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil 2: Nursing School, Pontificia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil

Publication date: 2006-05-01

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