Silmara Aparecida de Lima Montalvão, Alini Camargo Tucunduva, Andrea Luísa de Almeida Sambo, Erich Vinicius De Paula, Samuel de Souza Medina, Margareth Castro Ozelo

The assessment of inhibitory antibodies against factor (F) VIII or IX is critical for hemophilia care in the clinical setting. The firstmethod for inhibitor evaluation, Bethesda assay, was described by Kasper in 1975 [1], and later Verbruggen proposed the Nijmegen modification [2]. Currently…