Pharmacokinetics of flestolol in man: preliminary data.

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Abstract
The steady state pharmacokinetics of flestolol, a short acting beta- adrenoceptor blocking agent, were studied in six healthy subjects following intravenous infusion of six different doses; 18, 24, 35, 50, 75 and 100 micrograms kg-1 min-1, for 60 min. Steady state blood levels increased linearly with dose for all six subjects. The overall mean half-life was 6.5 min. The total body clearance averaged 208 ml min-1 kg-1 indicating significant extrahepatic metabolism of the drug. There were no significant changes in the half-lives or the total body clearances after the six doses, suggesting that the kinetics of flestolol are linear over the dose range studied.