Summary
The pharmacokinetics of vindesine were investigated in five patients with advanced cancer who were receiving the drug. Following a rapid IV bolus dose, vindesine kinetics were described by a triphasic serum decay curve compatible with a three-compartment open mammillary model. Serum half-lives were 2 min, 50 min, and 24 h for the fast, middle, and slow phases, respectively. The volume of the central compartment approximated the plasma volume in all patients studied. Distribution occurred quickly into a superficial tissue compartment in fairly rapid equilibrium with the plasma compartment, and also into a deep tissue compartment with slower redistribution to the central compartment. The large apparent volume of distribution and long elimination half-live suggest extensive tissue sequestration or delayed excretion of the drug in man. The slightly increased serum half-life of vindesine compared with published results for vinblastine may account for the greater degree and longer duration of marrow suppression seen clinically with vindesine.
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Nelson, R.L., Dyke, R.W. & Root, M.A. Clinical pharmacokinetics of vindesine. Cancer Chemother. Pharmacol. 2, 243–246 (1979). https://doi.org/10.1007/BF00257188
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DOI: https://doi.org/10.1007/BF00257188