Journal
BRITISH JOURNAL OF CANCER
Volume 107, Issue 6, Pages 904-909Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/bjc.2012.348
Keywords
adherence to therapy; chronic myeloid leukaemia; quality of life; symptoms
Categories
Funding
- Novartis Italia
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BACKGROUND: Optimal adherence to imatinib therapy is of paramount importance to maximise treatment effectiveness in patients with chronic myeloid leukaemia (CML). The main objective of this study was to investigate patient-reported personal factors associated with adherence behaviour. METHODS: Analysis was conducted on 413 CML patients receiving long-term therapy with imatinib. Adherence behaviour was measured with the Morisky Medication Adherence Scale and personal factors investigated included: quality of life, perceived social support, fatigue, symptom burden, psychological wellbeing and desire for additional information. Key socio-demographic and treatment-related factors were also taken into account. Univariate and multivariate logistic regression analyses were used to investigate factors associated with optimal adherence to therapy. RESULTS: In all, 53% of patients reported an optimal adherence behaviour. The final multivariate model retained the following variables as independent predictors of optimal adherence to therapy: desire for more information (ref. no), odds ratio (OR) 0.43 (95% confidence interval (CI), 0.29-0.66; P < 0.001), social support (higher score representing greater support), OR 1.29 (95% CI, 1.11-1.49; P < 0.001) and concomitant drug burden (ref. no), OR 1.82 (95% CI, 1.18-2.80; P - 0.006). CONCLUSION: This study suggests that a higher level of social support, satisfaction with information received and concomitant drug burden are the main factors associated with greater adherence to long-term imatinib therapy. British Journal of Cancer (2012) 107, 904-909. doi:10.1038/bjc.2012.348 www.bjcancer.com Published online 7 August 2012 & 2012 Cancer Research UK
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