Persistence with dimethyl fumarate in relapsing-remitting multiple sclerosis: a population-based cohort study

European Journal of Clinical Pharmacology - Tập 74 - Trang 219-226 - 2017
Irene Eriksson1,2, Thomas Cars3, Fredrik Piehl4, Rickard E. Malmström1,5, Björn Wettermark1,2, Mia von Euler1,5,6
1Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
2Department of Healthcare Development, Stockholm County Council, Stockholm, Sweden
3Department of Medical Sciences, Uppsala University, Uppsala, Sweden
4Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
5Clinical Pharmacology, Karolinska University Hospital, Stockholm, Sweden
6Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden

Tóm tắt

To describe patients initiating dimethyl fumarate (DMF) and measure persistence with DMF, discontinuation, and switching in treatment-naïve DMF patients and patients switching to DMF from other multiple sclerosis disease-modifying treatments (DMTs). A population-based cohort study of all Stockholm County residents initiating DMF from 9 May 2014 until 31 May 2017. All data were derived from a regional database that collects individual-level data on healthcare and drug utilization of all residents. The study outcomes were persistence with DMF and DMF discontinuation and switching to other DMTs. Persistence was measured as the number of days until either DMF discontinuation (treatment gap ≥ 60 days) or switching to another DMT. The study included 400 patients (median follow-up = 2.5 years). The majority had previously been treated with other DMTs (61%). Throughout the follow-up period, 124 patients (31%) discontinued DMF and 114 patients (29%) switched treatment. Overall, 34% of patients initiating DMF stopped treatment within 1 year and only 43% of patients remained on DMF at 2 years from treatment initiation. DMF had a rapid market uptake likely due to high expectations held by both patients and clinicians. However, persistence with DMF in routine clinical practice was found to be low.

Tài liệu tham khảo

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