Abstract:The effect of intravenous pre-treatment with empty small liposomes on the pharmacokinetics and metabolism of antipyrine in rabbits has been investigated. The measured half-life of antipyrine was 104 min and the volume of distribution was 830 mL kg-1. The excretion of metabolites in a 24 h urine sample was measured, the main metabolite 4-hydroxyantipyrine was excreted to a level of 10% with the free drug accounting for 4%. The norantipyrine and 3-hydroxymethylantipyrine metabolites were excreted to a level of 8… Show more
These studies clarify factors causing prolonged drug persistence and immunosuppression with L-MPL. Nonlinear disposition, irregular pharmacokinetics, and secondary effects of the liposomes are complicating factors in use of L-MPL.
These studies clarify factors causing prolonged drug persistence and immunosuppression with L-MPL. Nonlinear disposition, irregular pharmacokinetics, and secondary effects of the liposomes are complicating factors in use of L-MPL.
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