Table 2 CYP2D6 allele frequencies (n = 199).

From: Relationship between CYP2D6 genotype, activity score and phenotype in a pediatric Thai population treated with risperidone

Alleles

CPIC clinical function

Frequency (%)

*1

Normal function

100 (25.1%)

*2

Normal function

25 (6.3%)

*4

No function

5 (1.3%)

*5

No function

33 (8.3%)

*10

Decreased function

206 (51.8%)

*14

Decreased function

2 (0.5%)

*41

Decreased function

27 (6.8%)

  1. Allele definitions are per PharmVar at https://www.pharmvar.org/gene/CYP2D6.
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