Cost-of-illness study of severe haemophilia A and B in five French haemophilia treatment centres

Edgar Tissot; Albert Faradji; Karine Demesmay; Marie Bertrand; Jean-Louis Lorenzini; Marie-Elisabeth Briquel; Patricia Pouzol
June 2008
Pharmacy World & Science;Jun2008, Vol. 30 Issue 3, p287
Academic Journal
Abstract   Objective The aim of this study was to assess the consumption of anti-haemophilic drugs by adults and children with severe haemophilia A or B (residual activity of FVIII or FIX ≤2%) and to quantify the average direct medical costs. Method A retrospective multicentre cost-of-illness study from the perspective of French national health insurance system. The costs include only the use of clotting factors. Main outcome measure Consumption was expressed in UI/kg/year and costs in euros/kg/year. Results From January 1, 2001 to December 31, 2002, data from 81 adults and 30 children with severe haemophilia A (n = 92) or B (n = 19) and included in the “SNH” were collected and analysed. A coagulation factor inhibitor was present in 10 patients (9%). Four of them were high responders. Mean age and body weight were respectively 28 ± 17 years and 58 ± 24 kg. Except for one adult patient, all (99%) had outpatient treatment, 44 patients (40%) were hospitalized and treated by recombinant or/and plasma-derived FVIII or FIX or/and rFVIIa. Overall median annual consumption of anti-haemophilic drugs per patient was estimated at 1,333 UI/kg, with a median cost-of-illness of 1,156 euros/kg. Patients with severe haemophilia B consumed more than patients with severe haemophilia A, though not significantly (P = 0.096), with a median of 2,167 vs. 1,100 UI/kg/year and a median cost of 1,760 vs. 917 euros/kg/year (P = 0.13). Children consumed respectively more than adults (P = 0.008), with a median of 3,204 vs. 1,106 UI/kg/year and a median cost of 2,614 vs. 913 euros/kg/year (P = 0.012). The median cost for patients with an inhibitor was 3,291 euros/kg/year, approximately threefold higher than that of patients without an inhibitor (926 euros/kg/year) (P = 0.022). Conclusion It suggests a higher consumption and cost of anti-haemophilic drugs among children when compared to adults. Haemophilia B patients did not consume significantly more than haemophilia A patients, whereas the consumption and cost for patients with or without inhibitors differed significantly.


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