ArticleDrugs - real world outcomes2024
Real-World Amount of Clotting Factor Products and Non-Factor Products Dispensed and Annual Medical Expenditures for Japanese Patients with Haemophilia A.
Article in Drugs - real world outcomes, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTreatment for haemophilia A has expanded from plasma-derived factor VIII (pdFVIII) and standard half-life (SHL) recombinant FVIII (rFVIII) to extended half-life (EHL) rFVIII and non-factor products that mimic FVIII activity.
objectiveTo determine amounts of clotting factor concentrates (CFCs) and emicizumab dispensed and associated healthcare expenditures in Japanese patients with haemophilia A.
methodsThis retrospective, non-interventional, observational study analysed data from 2016 to 2020 from a large-scale, hospital-based administrative database. Patients had haemophilia A without inhibitors and ≥ 2 prescriptions of the same CFC or emicizumab.
resultsIn total, 974 patients with haemophilia A (median age, 30.0 years; median follow-up, 3.7 years) were included. Outpatient use of EHL rFVIII and emicizumab increased, although pdFVIII/SHL rFVIII were still used over the study. Median annual total healthcare expenditures/patient increased from ¥9,200,230 in 2016 to ¥19,748,221 in 2020. Overall, the median annual drug expenditure/patient increased from ¥8,723,120 in 2016 to ¥18,051,689 in 2020. Drug expenditure was highest with emicizumab, with an increase in median annual expenditure/patient from 2018 (n = 4, ¥26,030,206) to 2020 (n = 107, ¥45,430,408). Overall, 233 patients (23.9%) switched from an SHL to an EHL product. Although amounts of FVIII prescribed increased in the 3 months after switching, overall, there was no noticeable difference before and after switching. Median total healthcare and FVIII product expenditures increased following switching.
conclusionsPrescribing of EHL products increased over the study and healthcare expenditures increased for patients who switched from SHL to EHL rFVIII products.
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