Article
The effect of codeine on gastrointestinal transit in extensive and poor metabolisers of debrisoquine.
European journal of clinical pharmacology - 1 Jan 1997
Hasselström J, Yue Q Y, Säwe J
Abstract excerpt
METHODS: Codeine (50 mg) was administered to 12 extensive metabolisers (EM) and 12 poor metabolisers (PM) of debrisoquine. The oro-caecal transit time was estimated by the hydrogen breath test. The urinary excretion of codeine and metabolites during a 6-h interval was estimated after simultaneous analysis of codeine, morphine-3-glucuronide (M3G), morphine-6-glucuronide (M6G), morphine (M), normorphine (NM),...
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