General Information of This Metabolic Reaction (MR) (ID: MR005109)
Formula
CYP2D6 ...
SVG example
O-demethylation
Reactant Hydrocodone bitartrate Product Hydromorphone
Reactant Info Product Info
Metabolic Enzyme Cytochrome P450 2D6 (CYP2D6) DME Info
Cytochrome P450 2B6 (CYP2B6) DME Info
Mephenytoin 4-hydroxylase (CYP2C19) DME Info
Metabolic Type Oxidation - O-demethylation
Other MR(s) Related to The Reactant of This MR
Other MR(s) That Metabolize The Reactant of This MR
MR ID Reactant Product MR Type Related Drug REF
MR005114 Hydrocodone bitartrate 6-alpha-hydrocodol Reduction - 6-ketoreduction Hydrocodone bitartrate [1], [2]
MR005123 Hydrocodone bitartrate Norhydrocodone Oxidation - N-demethylation Hydrocodone bitartrate [2]
MR005115 Hydrocodone bitartrate 6-beta-hydrocodol Reduction - 6-ketoreduction Hydrocodone bitartrate [3]
Other MR(s) Related to The Product of This MR
Other MR(s) That Produce The Product of This MR
MR ID Reactant Product MR Type Related Drug REF
MR011201 Hydrocodone Hydromorphone Oxidation - O-demethylation Hydrocodone [4]
References
1 Comparative metabolism of hydrocodone in man, rat, guinea pig, rabbit, and dog
2 CYP2D6 and CYP3A4 involvement in the primary oxidative metabolism of hydrocodone by human liver microsomes. Br J Clin Pharmacol. 2004 Mar;57(3):287-97.
3 DrugBank(Pharmacology-Metabolism):Hydrocodone bitartrate
4 Update on hydrocodone metabolites in rats and dogs aided with a semi-automatic software for metabolite identification Mass-MetaSite

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