Conversely, another study reported that HLA class I alleles were not associated withthe occurrence of FVIII inhibitor in patients with acquired hemophilia A, whereas DRB1*16 and DQB1*0502 were associated with a high risk of such an occurrence in hemophilia A patients with FVIII inhibitor [10]; however,the association between these alleles and FVIII inhibitor in Thai patients with hemophilia A remains unknown. Here, F8 is linked to hemophilia A.