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Clinical pharmacokinetics of camptothecin topoisomerase I inhibitors.

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Abstract

In this review the clinical pharmacokinetics of camptothecin topoisomerase I inhibitors, an important new class of anticancer drugs, is discussed. Two prototypes, topotecan and irinotecan, are currently marketed in many European countries and the USA for the treatment of patients with ovarian and colorectal cancer, respectively. Other camptothecin derivatives, including lurtotecan, 9‐aminocamptothecin (9‐AC) and 9‐nitrocamptothecin (9‐NC), are at different stages of clinical development. The common property of camptothecin analogues is their action against DNA topoisomerase I, but beyond this similarity the compounds differ widely in terms of antitumour efficacy, pharmacology, pharmacokinetics and metabolism. We review chemistry, mechanism of action, stability and bioanalysis of the camptothecins. Dosage and administration, status of clinical application, pharmacokinetics, pharmacodynamics and drug interactions are discussed.

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Authors and Affiliations

  1. Department of Pharmacy and Pharmacology, The Netherlands Cancer Institute/Slotervaart Hospital, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands

    Virginie M.M. Herben & Jos H. Beijnen

  2. Department of Medical Oncology, The Netherlands Cancer Institute/Antoni van Leeuwenhoekhuis, Amsterdam, The Netherlands

    Wim W. ten Bokkel Huinink & Jan H.M. Schellens

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  1. Virginie M.M. Herben
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  2. Jos H. Beijnen
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  3. Wim W. ten Bokkel Huinink
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  4. Jan H.M. Schellens
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Herben, V.M., Beijnen, J.H., ten Bokkel Huinink, W.W. et al. Clinical pharmacokinetics of camptothecin topoisomerase I inhibitors.. Pharm World Sci 20, 161–172 (1998). https://doi.org/10.1023/A:1008613806051

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