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Pharmacokinetics of etoposide in cancer patients treated with high-dose etoposide and with dexrazoxane (ICRF-187) as a rescue agent

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Abstract

Purpose

The pharmacokinetics of etoposide were studied in cancer patients with brain metastases treated with high-dose etoposide in order to determine if the pharmacokinetics were altered by the use of dexrazoxane as a rescue agent to reduce the extracerebral toxicity of etoposide.

Methods

Etoposide plasma levels were determined by HPLC.

Results

The etoposide pharmacokinetics described by a monophasic first-order elimination model were found to be similar to other reported data in other settings and at similar doses.

Conclusions

The pharmacokinetics of etoposide were unaffected by dexrazoxane rescue.

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Fig. 1

Abbreviations

AUC0–∞ :

Area under the curve from time zero to infinity

Cmax :

Maximum plasma concentration of drug

Cltot :

Total plasma clearance

HPLC:

High-pressure liquid chromatography

Poct :

Octanol-water partition coefficient

t1/2β :

Beta phase plasma elimination half-time

tr :

Retention time

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Acknowledgements

This work was supported by the Canadian Institutes of Health Research, the Canada Research Chairs program, and a Canada Research Chair in Drug Development for Brian Hasinoff, and grant support for Kenneth Hofland by a H:S Research Council (Denmark). Patricia Schroeder was supported by a Manitoba Health Research Council studentship and a Canadian Institutes of Health Research studentship.

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Correspondence to Brian B. Hasinoff.

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Patricia Schroeder and Kenneth Hofland contributed equally to this work.

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Schroeder, P.E., Hofland, K.F., Jensen, P.B. et al. Pharmacokinetics of etoposide in cancer patients treated with high-dose etoposide and with dexrazoxane (ICRF-187) as a rescue agent. Cancer Chemother Pharmacol 53, 91–93 (2004). https://doi.org/10.1007/s00280-003-0711-z

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  • DOI: https://doi.org/10.1007/s00280-003-0711-z

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