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Blood, 23 April 2009, Vol. 113, No. 17, pp. 3903-3910.
Prepublished online as a Blood First Edition Paper on January 8, 2009; DOI 10.1182/blood-2008-07-162842.
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Submitted July 8, 2008
Accepted December 12, 2008
Dose-dense induction with sequential-high-dose cytarabine and mitoxantone (S-HAM) and pegfilgrastim results in a high efficacy and a short duration of critical neutropenia in de-novo acute myeloid leukemia - a pilot study of the AML-CG
Jan Braess*, Karsten Spiekermann, Peter Staib, Andreas Gruneisen, Bernhard Wormann, Wolf-Dieter Ludwig, Hubert Serve, Albrecht Reichle, Rudolf Peceny, Daniel Oruzio, Christoph Schmid, Xaver Schiel, Marcus Hentrich, Christina Sauerland, Michael Unterhalt, Michael Fiegl, Wolfgang Kern, Christian Buske, Stefan Bohlander, Achim Heinecke, Herrad Baurmann, Dietrich W. Beelen, Wolfgang E. Berdel, Thomas Buchner, and Wolfgang Hiddemann
Klinikum Grosshadern der LMU Munchen, Munich, Germany
Universitatsklinikum Koln, Cologne, Germany
Vivantes Klinikum, Berlin-Neukolln, Germany
Stadtisches Klinikum Braunschweig, Braunschweig, Germany
Robert-Rossle-Klinik, Campus Berlin-Buch, Berlin, Germany
Klinikum der J.W. Goethe-Universitat, Frankfurt, Germany
Klinikum der Universitat Regensburg, Regensburg, Germany
Klinikum Osnabruck, Osnabruck, Germany
Zentralklinikum Augsburg, Augsburg, Germany
Stadtisches Klinikum Munchen, Klinikum Harlaching, Munich, Germany
Institut fur Medizinische Informatik und Biomathematik, Universitat Munster, Munster, Germany
MLL Munchner Leukamielabor, Munich, Germany
Deutsche Klinik fur Diagnostik, Wiesbaden, Germany
Universitatsklinikum Essen, Essen, Germany
Universitatsklinikum Munster, Munster, Germany
* Corresponding author; email: jan.braess{at}med.uni-muenchen.de.
Dose density during early induction has been demonstrated to be one of the prime determinants for treatment efficacy in acute myeloid leukemia (AML). The German AML-Cooperative Group has therefore piloted a dose dense induction regimen S-HAM (sequential high-dose AraC and Mitoxantrone followed by pegfilgrastim) in which two induction cycles are applied over 11 - 12 days instead of 25 - 29 days as used in conventional double induction thereby increasing dose density two-fold. Of 172 de-novo AML patients (excluding acute promyelocytic leukemia) 61% reached a complete remission, 22% a complete remission with incomplete peripheral recovery, 7% had persistent leukemia, 10% succumbed to early death - resulting in an overall response rate of 83%. Kaplan Meier estimated survival at 2 years was 75% for the whole group [patients with unfavourable karyotypes 38%; patients with favourable karyotypes 69%; patients with intermediate karyotypes 75%] after S-HAM treatment. Importantly the compression of the two induction cycles into the first 11 - 12 days of treatment was beneficial for normal hematopoesis as demonstrated by a significantly shortened duration of critical neutropenia of 31 days as compared to 46 days after conventionally timed double induction. The clinical study is an official study of the "Kompetenznetz Akute und Chronische Leukamien" and is registered in the European Leukemia Trial Registry with the registration number LN_AMLINT_2004_230.

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