Abstract:
OBJECTIVE:To compare the efficacy of activated charcoal and gastric lavage in preventing the absorption of moclobemide, temazepam, and verapamil 30 min after drug ingestion. METHODS:In this randomized cross-over study with three phases, nine healthy volunteers received a single oral dose of 150 mg moclobemide, 10 mg temazepam, and 80 mg verapamil after an overnight fast. Thirty minutes later, they were assigned to one of the following treatments: 25 g activated charcoal as a suspension in 200 ml water, gastric lavage (10x200 ml), or 200 ml water (control). Plasma concentrations of moclobemide, temazepam, and verapamil were determined up to 24 h. RESULTS:Activated charcoal reduced the area under the plasma concentration time curve from 0 h to 24 h (AUC0-24 h) of moclobemide and temazepam by 55% (P<0.05) and by 45% (P<0.05), respectively. The AUC0-24 h of verapamil was not significantly reduced by charcoal. Gastric lavage decreased the AUC0-24 h of moclobemide by 44% (P<0.05), but had no significant effect on that of temazepam or verapamil. The peak plasma concentration (Cmax) of moclobemide, temazepam, and verapamil was reduced by 40%, 29% (P<0.05), and 16%, respectively, by activated charcoal. Gastric lavage did not significantly decrease the Cmax of any of these drugs. CONCLUSION:The absorption of moclobemide, temazepam, and verapamil can be moderately reduced by activated charcoal given 30 min after drug ingestion, while gastric lavage seems to be less effective.
journal_name
Eur J Clin Pharmacoljournal_title
European journal of clinical pharmacologyauthors
Lapatto-Reiniluoto O,Kivistö KT,Neuvonen PJdoi
10.1007/s002280000139subject
Has Abstractpub_date
2000-07-01 00:00:00pages
285-8issue
4eissn
0031-6970issn
1432-1041journal_volume
56pub_type
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