Title : Methadone Pharmacogenetics: CYP2B6 Polymorphisms Determine Plasma Concentrations, Clearance, and Metabolism.

Pub. Date : 2015 Nov

PMID : 26389554






17 Functional Relationships(s)
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1 Methadone Pharmacogenetics: CYP2B6 Polymorphisms Determine Plasma Concentrations, Clearance, and Metabolism. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
2 Cytochrome P4502B6 (CYP2B6) is the principle determinant of clinical methadone elimination. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
3 CYP2B6.6, the protein encoded by the CYP2B6*6 polymorphism, deficiently catalyzes methadone metabolism in vitro. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
4 CYP2B6.6, the protein encoded by the CYP2B6*6 polymorphism, deficiently catalyzes methadone metabolism in vitro. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
5 This investigation determined the influence of CYP2B6*6, and other allelic variants encountered, on methadone concentrations, clearance, and metabolism. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
6 RESULTS: Average S-methadone apparent oral clearance was 35 and 45% lower in CYP2B6*1/*6 and CYP2B6*6/*6 genotypes, respectively, compared with CYP2B6*1/*1. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
7 RESULTS: Average S-methadone apparent oral clearance was 35 and 45% lower in CYP2B6*1/*6 and CYP2B6*6/*6 genotypes, respectively, compared with CYP2B6*1/*1. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
8 RESULTS: Average S-methadone apparent oral clearance was 35 and 45% lower in CYP2B6*1/*6 and CYP2B6*6/*6 genotypes, respectively, compared with CYP2B6*1/*1. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
9 R-methadone apparent oral clearance was 25 and 35% lower in CYP2B6*1/*6 and CYP2B6*6/*6 genotypes, respectively, compared with CYP2B6*1/*1. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
10 R-methadone apparent oral clearance was 25 and 35% lower in CYP2B6*1/*6 and CYP2B6*6/*6 genotypes, respectively, compared with CYP2B6*1/*1. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
11 R-methadone apparent oral clearance was 25 and 35% lower in CYP2B6*1/*6 and CYP2B6*6/*6 genotypes, respectively, compared with CYP2B6*1/*1. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
12 Methadone metabolism and clearance were lower in African Americans in part because of the CYP2B6*6 genetic polymorphism. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
13 CONCLUSIONS: CYP2B6 polymorphisms influence methadone plasma concentrations, because of altered methadone metabolism and thus clearance. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
14 CONCLUSIONS: CYP2B6 polymorphisms influence methadone plasma concentrations, because of altered methadone metabolism and thus clearance. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
15 CYP2B6 pharmacogenetics explains, in part, interindividual variability in methadone elimination. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
16 CYP2B6 genetic effects on methadone metabolism and clearance may identify subjects at risk for methadone toxicity and drug interactions. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens
17 CYP2B6 genetic effects on methadone metabolism and clearance may identify subjects at risk for methadone toxicity and drug interactions. Methadone cytochrome P450 family 2 subfamily B member 6 Homo sapiens