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  • Title: Economic analysis of triptan therapy for acute migraine: a Medicaid perspective.
    Author: Mullins CD, Subedi PR, Healey PJ, Sanchez RJ.
    Journal: Pharmacotherapy; 2007 Aug; 27(8):1092-101. PubMed ID: 17655509.
    Abstract:
    STUDY OBJECTIVE: To compare triptan therapies for migraine in terms of the cost to treat 100 migraine attacks and the cost per successfully treated patient (cost/success), by analyzing utilization and reimbursement data from state Medicaid programs. DESIGN: Pharmacoeconomic analysis. DATA SOURCE: Clinical efficacy data were obtained from a previously published meta-analysis for 11 triptan-dose combinations: almotriptan 12.5 mg; eletriptan 20 and 40 mg; naratriptan 2.5 mg; rizatriptan 5 and 10 mg; sumatriptan 25, 50, and 100 mg; and zolmitriptan 2.5 and 5 mg. Triptan reimbursement data were obtained from the Medicaid Drug Rebate Program of seven geographically dispersed states (Florida, Georgia, Illinois, North Carolina, Ohio, Wisconsin, and West Virginia). MEASUREMENTS AND MAIN RESULTS: Efficacy measures were derived based on data from the published meta-analysis that evaluated headache pain status at 2 and 24 hours after triptan dosing. Reimbursement data for the triptans were applied to a previously developed model of migraine treatment outcomes to calculate the cost to treat 100 migraine attacks and the cost/success. Sensitivity analysis around dosing assumptions was conducted to assess robustness of estimates. Across the seven states, the two treatments associated with the lowest cost to treat 100 migraine attacks were eletriptan 20 mg (range $1549-$1658) and eletriptan 40 mg ($1578-$1661). Naratriptan 2.5 mg (range $1734-$2018), sumatriptan 25 mg ($1853-1954), and zolmitriptan 5 mg ($1854-$1960) were associated with the highest cost to treat 100 migraine attacks. Eletriptan 40 mg was associated with the lowest cost/success (range $57.03-$60.05); naratriptan 2.5 mg ($99.39-$115.65), sumatriptan 25 mg ($107.11-$112.93), and rizatriptan 5 mg ($99.41-$111.25) were associated with the highest cost/success values. Changes in dosing assumptions did not significantly change the rank ordering of triptans across either economic end point. CONCLUSIONS: Eletriptan 20- and 40-mg doses were shown to be associated with the lowest cost to treat 100 migraine attacks and the lowest cost/success in both the baseline and sensitivity analyses. These findings are consistent with results of similar economic analyses that compared multiple triptan therapies.
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