Costs and Health-Related Quality of Life in Patients With NMO Spectrum Disorders and MOG-Antibody–Associated Disease

Author:

Hümmert Martin W.ORCID,Schöppe Louisa M.,Bellmann-Strobl JudithORCID,Siebert Nadja,Paul Friedemann,Duchow AnkelienORCID,Pellkofer Hannah,Kümpfel Tania,Havla JoachimORCID,Jarius Sven,Wildemann Brigitte,Berthele AchimORCID,Bergh Florian Then,Pawlitzki Marc,Klotz LuisaORCID,Kleiter IngoORCID,Stangel Martin,Gingele Stefan,Weber Martin S.,Faiss Juergen H.,Pul Refik,Walter Annette,Zettl Uwe K.,Senel Makbule,Stellmann Jan-PatrickORCID,Häußler VivienORCID,Hellwig KerstinORCID,Ayzenberg Ilya,Aktas OrhanORCID,Ringelstein Marius,Schreiber-Katz OliviaORCID,Trebst Corinna,

Abstract

Background and ObjectivesTo evaluate costs and health-related quality of life (HRQoL) of neuromyelitis optica spectrum disorders (NMOSD) and myelin oligodendrocyte glycoprotein antibody–associated disease (MOGAD).MethodsIn this multicenter cross-sectional study, data on consumption of medical and nonmedical resources and work ability were assessed via patient questionnaires. Costs were analyzed in Euros for 2018 from the societal perspective. HRQoL was captured by the EuroQoL Group 5 Dimension 5 Level Scale (EQ-5D-5L) questionnaire. Clinical data were retrieved from the Neuromyelitis Optica Study Group (NEMOS) database.ResultsTwo hundred twelve patients (80% women, median age 50 [19–83] years, median disease duration 7 [0–43] years, median Expanded Disability Status Scale [EDSS] score 3.5 [0–8.5], 66% aquaporin-4 immunoglobulin G [IgG] positive, 22% MOG IgG positive, 12% double seronegative) were analyzed. The mean total annual per capita cost of illness accounted for €59,574 (95% CI 51,225–68,293 or US dollars [USD] 70,297, 95% CI 60,445–80,586), and the mean index value of the EQ-5D-5L was 0.693 (95% CI 0.65–0.73). The most important cost drivers were informal care costs (28% of total costs), indirect costs (23%), and drugs (16%), especially immunotherapeutics. Costs showed a positive correlation with disease severity (ρ = 0.56, 95% CI 0.45–0.65); in the EDSS score 6.5 to 8.5 subgroup, the mean annual costs were €129,687 (95% CI 101,946–160,336 or USD 153,031, 95% CI 120,296–189,196). The HRQoL revealed a negative correlation to disease severity (ρ = −0.69, 95% CI −0.76 to −0.61); in the EDSS score 6.5 to 8.5 subgroup, the EQ-5D-5L mean index value was 0.195 (95% CI 0.13–0.28). Neither antibody status nor disease duration influenced the total annual costs or HRQoL.DiscussionThese German data from the era without approved preventive immunotherapies show enormous effects of the diseases on costs and quality of life. An early and cost-effective therapy should be provided to prevent long-term disability and to preserve quality of life.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Neurology (clinical)

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