Details of the Drug Metabolite (DM) | INTEDE

General Information of Drug Metabolite (DM) (ID: DM000100)
DM Name	N,O-didesmethyl diltiazem

Full List of Drug-Metabolizing Enzyme (DME) Related to This DM

DME(s) Producing This DM through Metabolism

DME Name	DME ID	Reactant	Reaction	Related Drug	REF
Cytochrome P450 2D6 (CYP2D6)	DME0009	N-monodesmethyl diltilazem	Oxidation - O-Demethylation	Diltiazem hydrochloride	[1] , [2]

Full List of Drug(s) That Produce This DM By Metabolism
Diltiazem hydrochloride		DR0509	Approved		Essential hypertension

References
1	Pharmacokinetics and metabolism of diltiazem in healthy males and females following a single oral dose Eur J Drug Metab Pharmacokinet. 1993 Apr-Jun;18(2):199-206. doi: 10.1007/BF03188796.
2	Desacetyl-diltiazem displays severalfold higher affinity to CYP2D6 compared with CYP3A4. Drug Metab Dispos. 2002 Jan;30(1):1-3.

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