Relapsing multiple sclerosis (RMS) is the most common form of multiple sclerosis. Since there is no cure, patients are maintained on disease-modifying therapy (DMT) to help slow disease progression, reduce disease relapses, and limit new disease activity.
However, long-term persistence to DMTs is low, with many patients switching or discontinuing DMT treatment. Low DMT persistence increases the risk for relapse and relapse-related costs related to emergency department visits and inpatient admissions.
In a retrospective, cross-sectional study, reported in Multiple Sclerosis and Related Disorders, Miranda Kozlicki, PharmD, and colleagues discovered that over three years, only 36% of patients remained on index treatments. Some common reasons for discontinuing or switching DMTs were adverse events/side effects, insurance formulary changes, and lack of disease improvement.
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