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Pathway Description
Levomethadyl Acetate Metabolism Pathway
Homo sapiens
Drug Metabolism Pathway
Created: 2013-09-11
Last Updated: 2019-08-16
Levomethadyl Acetate (also known as levacetylmethadol or levo-α-acetylmethadol) (LAAM), is a synthetic opioid structurally similar to methadone. It is an opioid agonist that has been used as an analgesic and to treat opioid dependence. Levomethadyl Acetate is metabolized by cytochrome P450 3A4 in two N-demethylation reactions to nor-levomethadyl acetate (nor-LAAM) and subsequently to dinor-levomethadyl acetate (dinor-LAAM).
References
Levomethadyl Acetate Pathway References
[KeGG](http://www.genome.jp/kegg-bin/show_pathway?map=map00982&show_description=show)
Oda Y, Kharasch ED: Metabolism of methadone and levo-alpha-acetylmethadol (LAAM) by human intestinal cytochrome P450 3A4 (CYP3A4): potential contribution of intestinal metabolism to presystemic clearance and bioactivation. J Pharmacol Exp Ther. 2001 Sep;298(3):1021-32.
Pubmed: 11504799
Komori M, Nishio K, Ohi H, Kitada M, Kamataki T: Molecular cloning and sequence analysis of cDNA containing the entire coding region for human fetal liver cytochrome P-450. J Biochem. 1989 Feb;105(2):161-3. doi: 10.1093/oxfordjournals.jbchem.a122632.
Pubmed: 2722762
Finta C, Zaphiropoulos PG: The human cytochrome P450 3A locus. Gene evolution by capture of downstream exons. Gene. 2000 Dec 30;260(1-2):13-23. doi: 10.1016/s0378-1119(00)00470-4.
Pubmed: 11137287
Gellner K, Eiselt R, Hustert E, Arnold H, Koch I, Haberl M, Deglmann CJ, Burk O, Buntefuss D, Escher S, Bishop C, Koebe HG, Brinkmann U, Klenk HP, Kleine K, Meyer UA, Wojnowski L: Genomic organization of the human CYP3A locus: identification of a new, inducible CYP3A gene. Pharmacogenetics. 2001 Mar;11(2):111-21.
Pubmed: 11266076
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