Association exists between HLA-B*58:01 allele and allopurinol Stevens-Johnson syndrome (SJS), especially those of an Asian heritage but associations have been also described in Caucasian populations. This creates the need to develop a rapid, robust and inexpensive assay for pre-screening of HLA-B*58:01. A polymorphism within PSORS1C1 gene was recently found in linkage disequilibrium (LD) with HLA-B*58:01 allele in the Japanese population. The aim of this study is to confirm whether this polymorphism can be used as a surrogate biomarker to identify carriers for HLA-B*58:01. No linkage was found between the two in the Australian cohort.
Keywords: Abacavir; Allopurinol; Carbamazepine; HLA; Linkage disequilibrium; Polymorphism; Severe adverse drug reactions.
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