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. 2006 Sep;7(6):813-8.
doi: 10.2217/14622416.7.6.813.

HLA-B locus in Caucasian patients with carbamazepine hypersensitivity

Ana Alfirevic  1 , Andrea L Jorgensen, Paula R Williamson, David W Chadwick, B Kevin Park, Munir Pirmohamed
Affiliations

HLA-B locus in Caucasian patients with carbamazepine hypersensitivity

Ana Alfirevic et al. Pharmacogenomics. 2006 Sep.

Abstract

Background: A strong pharmacogenetic association has been reported in Chinese patients between human leukocyte antigen (HLA)-B*1502 and carbamazepine (CBZ)-induced Stevens-Johnson syndrome (SJS).

Methods: We have genotyped the HLA-B alleles in 56 Caucasian patients with varying severities of CBZ hypersensitivity and 43 controls on CBZ without adverse effects.

Results: None of our patients (including two with blistering skin rashes) were positive for the HLA-B*1502 allele. HLA-B*0702 allele may protect against severe CBZ hypersensitivity but warrants further study. Of secondary interest, the correlation between HLA-B*0801 and HLA-DR3, DQ2 and TNF -308 alleles (on the ancestral haplotype 8.1) is consistent with our previous findings.

Conclusion: HLA-B*1502 does not seem to be a marker for all forms of CBZ-induced hypersensitivity in a Caucasian population.

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