Thrombotic APS with PoliAU did not show an association with IgA aB2GP1 (OR: 1.54; 0.43–5.57) nor with the classic aPL of the IgM isotype (OR: 2.87; 0.87–9.41) (Table 5A). This evidence concerns the gene CD40LG and autoimmune polyendocrinopathy.