We tested the hypothesis that allelic variants of the human dopamine D2 receptor E8 genotype are associated with (i) dopamine D2 antagonist tiapride dose in treatment of alcohol withdrawal (n = 50) and (ii) with anxiety and depression in patients during alcoholism detoxification therapy (admission n = 87; discharge n = 50). DRD2 E8 A/A genotype was associated with increased dose of tiapride during a 9-day detoxification therapy and with increased anxiety and depression scores on admission and 2 weeks later. The findings suggest a pharmacogenetic influence of DRD2 E8 genotype on tiapride efficacy in alcohol withdrawal. In an earlier report, DRD2 E8 A/A genotype was associated with reduced responsiveness to the dopamine D2 agonist apomorphine; however, it is not clear whether both findings share the same biological basis. Earlier findings concerning association of DRD2 E8 A/A with increased anxiety and depression are replicated for the first time.
SummaryCimetidine I0 mglkg orally was given at varying times from 60 to 240 minutes pre-operatively to 100 healthy children between the ages of 6 months and 14 years. Cimetidine proved to be most eflective when given between 120 and 180 minutes before the induction of anaesthesia. All patients in this group had a gastric pH of more than 2.5 and the mean volume aspirated was also signijicantly lower than that in the control group. The average peak blood concentration after 10 mglkg oral cimetidine in four healthy children was
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