Document Detail

Toxicokinetics and correlation of carbamazepine salivary and serum concentrations in acute poisonings.
MedLine Citation:
PMID:  22764539     Owner:  NLM     Status:  In-Process    
BACKGROUND/AIM: Saliva is a body fluid which, like serum, can be used for determination of concentrations of certain drugs, both in pharmacotherapy as well as in acute poisonings. The aim of this study was to determine carbamazepine concentrations in both saliva and serum in acute poisoning in order to show if there is a correlation between the obtained values, as well as to monitor toxicokinetics of carbamazepine in body fluides.
METHODS: Saliva and serum samples were obtained from 26 patients treated with carbamazepine and 20 patients acutely poisoned by the drug immediately after their admission in the Emergency Toxicology Unit. Determination of salivary and serum carbamazepine concentrations was performed by the validated high pressure liquid chromatography-ultraviolet (HPLC-UV) method.
RESULTS: A significant correlation of salivary and serum carbamazepine concentrations in both therapeutic application and acute poisoning (r = 0.9481 and 0.9117, respectively) was confirmed. In acute poisonings the mean ratio between salivary and serum concentrations of carbamazepine (0.43) was similar to the mean ratio after its administration in therapeutic doses (0.39), but there were high inter-individual variations in carbamazepine concentrations in the acutely poisoned patients, as a consequence of different ingested doses of the drug. In acute poisoning the halftime of carbamazepine in saliva and serum was 12.57 h and 6.76 h, respectively.
CONCLUSION: Our results suggest a possible use of saliva as an alternative biological material for determination of carbamazepine concentrations in therapeutic application and acute poisoning as well, and a possible extrapolation of the results obtained in saliva to serum concentrations of carbamazepine.
Snezana Djordjević; Vesna Kilibarda; Slavica Vucinić; Tomislav Stojanović; Biljana Antonijević
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Vojnosanitetski pregled. Military-medical and pharmaceutical review     Volume:  69     ISSN:  0042-8450     ISO Abbreviation:  Vojnosanit Pregl     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-07-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  21530700R     Medline TA:  Vojnosanit Pregl     Country:  Serbia    
Other Details:
Languages:  eng     Pagination:  389-93     Citation Subset:  IM    
National Poison Control Centre, Military Medical Academy, Belgrade, Serbia.
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