( efits (e.g. improved patient outcomes)...)First Pharmacoeconomic Analysis with Long-Term Data Showed Copaxone,Was More Cost-Effective Than Interferon Beta Therapies for,Treatment of Relapsing-Remitting Multiple Sclerosis (RRMS),Health

efits (e.g., improved patient outcomes) of therapies. Previous economic models made assumptions regarding the impact of IFN-(beta) on treatment effects (e.g., constant treatment effects over time) because of data limitations, which also made it difficult to examine the impact NAbs have on cost-effectiveness, as they may inhibit the effectiveness of IFN-(beta) treatment. The model used in the present analysis assumed that NAbs would impact the probability of relapse only after the second year of continuous interferon treatment and therefore potentially negatively affect treatment cost and outcomes for therapies susceptible to the development of NAbs.

"The development of NAbs have been shown to reduce the efficacy of IFN-(beta) therapies on magnetic resonance imaging (MRI) outcomes, relapse rate and disability progression, which in turn may affect the cost and outcomes associated with these therapies," Johnson said. "Although the results of this study provide decision makers with relevant data to evaluate the cost-effectiveness of immunomodulatory treatments versus symptom management in treating RRMS, it is important to consider the results in context, given that head-to-head randomized clinical trials comparing the immunomodulatory therapies are necessary to validate the projections from the pharmacoeconomic analyses."

About the Study

A literature-based Markov model was developed to estimate the economic outcomes of five treatment strategies: symptom management (e.g., physical therapy/exercise and pharmacological treatment) alone and symptom management combined with COPAXONE(R) (glatiramer acetate injection), IM-IFN(beta)1-a (Avonex(R)), SC-IFN(beta)1-a (Rebif(R)), or SC-IFN(beta)1-b (Betaseron(R)) in patients diagnosed with RRMS. This is the first economic model in MS to incorporate long-term data on treatment effects, account for differences among clinical trial designs of the immunomodulatory therapies and present the results in terms of cost-
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