Title : Combined Effect of CYP2B6 Genotype and Other Candidate Genes on a Steady-State Serum Concentration of Methadone in Opioid Maintenance Treatment.

Pub. Date : 2017 Oct

PMID : 28723731






5 Functional Relationships(s)
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1 Combined Effect of CYP2B6 Genotype and Other Candidate Genes on a Steady-State Serum Concentration of Methadone in Opioid Maintenance Treatment. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
2 The aim of this study was to clarify the impact of the reduced function CYP2B6*6 variant allele together with variants in other candidate genes on a steady-state methadone concentration in a naturalistic setting. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
3 The estimated mean methadone C/D ratios was 17.8 nmol L mg for homozygous carriers of CYP2B6*6, which was significantly (P < 0.001) higher than noncarriers (9.2 nmol L mg). Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
4 CONCLUSIONS: Patients homozygous for CYP2B6*6 had a >90% higher methadone C/D ratio. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
5 Genotyping of CYP2B6 may therefore be of value when assessing dose requirements in methadone maintenance treatment. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens