科研之友
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摘要
Introduction: Psoriasis is a chronic, inflammatory disease afflicting 2% of the US population; it results in significant morbidity. The annual healthcare costs related to psoriasis are an estimated $ 11.3 billion and, with an expanding biologic market, an updated costs analysis is needed. Areas covered: Current treatments, including systemic agents (acitretin, cyclosporine, methotrexate), phototherapies and all available biologics (adalimumab, etanercept, infliximab, alefacept, ustekinumab) appropriate for severe psoriasis are described mechanistically and with regard to their efficacy, quality-of-life improvements and side effects. A cost-efficacy model considering US health-system-based annual costs, clinical and quality-of-life improvements was created. Reported Psoriasis Area and Severity Index improvement of 75% from baseline (PASI-75) scores, Dermatology Life Quality Index (DLQI) improvements and estimated costs of medications are described. Annual costs ranged from $1330 for methotrexate to $48,731 for high-dose etanercept. The lowest cost per achieving DLQI minimally important difference was from phototherapy; the highest was from alefacept. The lowest costs per patient achieving PASI-75 was from methotrexate and the highest was from alefacept. Expert opinion: Phototherapies and methotrexate offer high efficacy for their costs. Therapeutic approaches must be individualized for each patient given all considerations described.
- 出版日期2011-9
