An association between HLA-B*4601 and CM-induced SJS/TEN with SOC in Japanese population was observed in Ueta et al.23 The numbers of subjects carrying at least one allele of HLA-B*4601 were 24 out of 151 in cases and 56 out of 639 in controls (ref). This evidence concerns the gene HLA-B and Schwartz-Jampel syndrome.