Phenotype and genotype analysis of debrisoquine hydroxylase (CYP2D6) in a black Zimbabwean population. Reduced enzyme activity and evaluation of metabolic correlation of CYP2D6 probe drugs.

Abstract excerpt

OBJECTIVE: Debrisoquine hydroxylase (CYP2D6) is responsble for the oxidative metabolism of many clinically used drugs. Since this enzyme has been poorly studied in the southern part of Africa, we examined the CYP2D6 phenotypes and genotypes in 103 unrelated black Zimbabweans. METHODS: Phenotyping for CYP2D6 activity was done using debrisoquine and metoprolol as probe drugs by measuring the urinary metabolic ratio...

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