The Future of Drug Discovery: Tackling the Undruggable with New Biotechnologies
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Pharmaco-genomics
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Drug
Interacting Gene/Enzyme
Allele name
Genotypes
Defining change(s)
Type(s)
Description
Details
Effect
Directly Studied
ADR
Inferred
pgx review
Clear
Methadone
Cytochrome P450 2B6
Gene symbol: CYP2B6
UniProt:
P20813
CYP2B6 3′UTR
Not Available
c.*1355A > G
(
rs707265
)
pgx review
The presence of the rs707265 allele (CYP2B6 c.*1355A>G) has been shown increase the [(S)-MTD/MTD Dose] plasma ratio, and reduce clearance of (S)-methadone.
Details
Methadone
Cytochrome P450 2B6
Gene symbol: CYP2B6
UniProt:
P20813
CYP2B6 3′UTR
Not Available
c.*1277A > T
(
rs1038376
)
pgx review
The presence of the rs1038376 allele (CYP2B6 c.*1277A > T) has been shown to increase the [(S)-MTD/MTD Dose] plasma ratio and reduce (S)-MTD clearance.
Details
Methadone
Cytochrome P450 2B6
Gene symbol: CYP2B6
UniProt:
P20813
CYP2B6 intron 1
Not Available
c.172–468 T > G
(
rs10403955
)
pgx review
The presence of the rsl0403955 allele (c.172–468 T>G) has been shown increase the [(S)-MTD/MTD Dose] plasma ratio, and reduce clearance of (S)-methadone.
Details
Methadone
Cytochrome P450 2B6
Gene symbol: CYP2B6
UniProt:
P20813
CYP2B6 intron 5
Not Available
c.923–197T > C
(
rs2279345
)
The presence of the rs2279345 allele (CYP2B6 c.923–197T>C) has been shown increase the [(S)-MTD/MTD Dose] plasma ratio, and reduce clearance of (S)-methadone.
Details
Methadone
Cytochrome P450 3A4
Gene symbol: CYP3A4
UniProt:
P08684
CYP3A4*1B
Not Available
−392A > G
(
rs2740574
)
pgx review
The presence of the rs2740574 allele (CYP3A4 −392A>G) has been shown to increase (S)-methadone plasma levels.
Details
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