HLA-A and Schwartz-Jampel syndrome: There were 3 studies investigating an association between HLA-A*3303 and CM-induced SJS/TEN with SOC in Brazilian, Indian and Thai populations.33–35 The numbers of subjects carrying at least one allele of HLA-A*3303 were 31 out of 111 in cases and 52 out of 342 in controls.