Abstract
Since May 1996 all Nordic countries have been participating in a study of childhood acute myeloid leukemia (AML). The aim is to correlate the in vitro sensitivity of leukemic cells and individual plasma concentrations of cytotoxic drugs with clinical effect. Blast cells from bone marrow and/or peripheral blood are tested against a panel of cytotoxic agents using the fluorometric microculture cytotoxicity assay (FMCA). Plasma concentrations of cytotoxic drugs are analysed during induction therapy.
Bone marrow samples from the participating centres generally reached the analysing laboratory within 24 hours. 61 out of 71 (86%) samples were successfully analysed, 47 de novo AML and 14 relapses. Relapsing patients tended to have a more resistant test profile than newly diagnosed patients. Steady state plasma levels of doxorubicin, etoposide and 6-thioguanine nucleotide varied about 10-fold between patients. The intra-individual variation was much less, suggesting that dose adjustment based on pharmacokinetic data might be useful in the future.
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© 1999 Springer Science+Business Media New York
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Lönnerholm, G., Frost, BM., Larsson, R., Liliemark, E., Nygren, P., Peterson, C. (1999). In Vitro Cytotoxic Drug Activity and In Vivo Pharmacokinetics in Childhood Acute Myeloid Leukemia. In: Kaspers, G.J.L., Pieters, R., Veerman, A.J.P. (eds) Drug Resistance in Leukemia and Lymphoma III. Advances in Experimental Medicine and Biology, vol 457. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-4811-9_46
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DOI: https://doi.org/10.1007/978-1-4615-4811-9_46
Publisher Name: Springer, Boston, MA
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