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Prevalence, determinants, and outcomes of nonadherence to imatinib therapy in patients with chronic myeloid leukemia : the ADAGIO study

Noens, Lucien and van Lierde, Marie-Anne and De Bock, Robrecht and Verhoef, Gregor and Zachée, Pierre and Berneman, Zwi and Martiat, Philippe and Mineur, Philippe and Van Eygen, Koen and MacDonald, Karen and De Geest, Sabina and Albrecht, Tara and Abraham, Ivo. (2009) Prevalence, determinants, and outcomes of nonadherence to imatinib therapy in patients with chronic myeloid leukemia : the ADAGIO study. Blood : the journal of the American Society of Hematology, Vol. 113. pp. 5401-5411.

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Official URL: http://edoc.unibas.ch/dok/A6003906

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Abstract

Imatinib mesylate (imatinib) has been shown to be highly efficacious in the treatment of chronic myeloid leukemia (CML). Continuous and adequate dosing is essential for optimal outcomes and with imatinib treatment possibly being lifelong, patient adherence is critical. The ADAGIO (Adherence Assessment with Glivec: Indicators and Outcomes) study aimed to assess prospectively over a 90-day period the prevalence of imatinib nonadherence in patients with CML; to develop a multivariate canonical correlation model of how various determinants may be associated with various measures of nonadherence; and to examine whether treatment response is associated with adherence levels. A total of 202 patients were recruited from 34 centers in Belgium, of whom 169 were evaluable. One-third of patients were considered to be nonadherent. Only 14.2% of patients were perfectly adherent with 100% of prescribed imatinib taken. On average, patients with suboptimal response had significantly higher mean percentages of imatinib not taken (23.2%, standard deviation [SD] = 23.8) than did those with optimal response (7.3%, SD = 19.3, P = .005; percentages calculated as proportions x 100). Nonadherence is more prevalent than patients, physicians, and family members believe it is, and therefore should be assessed routinely. It is associated with poorer response to imatinib. Several determinants may serve as alert signals, many of which are clinically modifiable.
Faculties and Departments:03 Faculty of Medicine > Departement Public Health > Institut für Pflegewissenschaft
UniBasel Contributors:De Geest, Sabina M.
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:HighWire Press
ISSN:1528-0020
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:01 Feb 2013 08:46
Deposited On:01 Feb 2013 08:41

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