Multiple-dose pharmacokinetics of moxisylyte after oral administration to healthy volunteers.
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Costa P, Bressolle F, Jarroux E, Sarrazin B, Mosser J, Navratil H, Galtier M
Multiple-dose pharmacokinetics of moxisylyte after oral administration to healthy volunteers.
J Pharm Sci. 1993 Sep;82(9):968-71.
- PubMed ID
- 8229699 [ View in PubMed]
- Abstract
The pharmacokinetics of moxisylyte in plasma and urine was investigated after oral administration. Twelve subjects were treated orally, twice daily with 240 mg of the drug for 6 days; on day 7, the subjects received a last dose of 240 mg of moxisylyte. Moxisylyte was assayed in plasma and urine by a specific HPLC method with fluorimetric detection. Moxisylyte was absorbed rapidly and changed to its metabolites immediately after drug administration; unchanged moxisylyte was not found in plasma. Two metabolites were found in plasma and urine: conjugated desacetylmoxisylyte (DAM) and the conjugate of desmethylated DAM (MDAM). The pharmacokinetic parameters determined after the first oral administration were not modified on multiple dosing. The apparent elimination half-lives of conjugated DAM and MDAM were 2.3 and 3.5 h, respectively. Elimination of these two metabolites in urine averaged 50 and 10%, respectively.
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