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  • Title: Association between the HLA-B*15:02 allele and carbamazepine-induced Stevens-Johnson syndrome/toxic epidermal necrolysis in Han individuals of northeastern China.
    Author: He XJ, Jian LY, He XL, Wu Y, Xu YY, Sun XJ, Miao LY, Zhao LM.
    Journal: Pharmacol Rep; 2013; 65(5):1256-62. PubMed ID: 24399721.
    Abstract:
    BACKGROUND: This study examined the significant association between carbamazepine (CBZ)-induced Stevens-Johnson Syndrome (SJS)/toxic epidermal necrolysis (TEN) and HLA-B*15:02 in epilepsy patients of Han ethnicity living in northeastern China. METHODS: CBZ-SJS/TEN patients and CBZ-tolerant control patients were genotyped for HLA-B*15:02 by PCR amplification using sequence-specific primers. Patients then were evaluated for HLA genotypes using PCR with sequence-based typing. RESULTS: Eight of 35 CBZ-SJS/TEN patients carried HLA-B*15:02 (22.9%) versus 2 of 125 in CBZ-tolerant control patients (OR = 18.222, 95% CI = 3.662-90.662, p = 0.000). Our results suggest that HLA-B*15:02 is necessary but is not sufficient to produce SJS/TEN following CBZ treatment among Han individuals from northeastern China. Other HLA alleles, including A*33:03, B*58:01, C*03:02, DQB1*03:03, and DRB1*07:01 may be associated weakly with CBZ-SJS/TEN. CONCLUSIONS: Our results are not consistent with previous studies reporting a strong association between HLA-B*15:02 and CBZ-SJS/TEN among individuals from southern, southwestern, and central China. Other genes may be more tightly associated with CBZ-SJS/TEN. Screening for HLA-B*15:02 still may be recommended for patients in northeastern China before starting CBZ.
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