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Therapy

Results of the first randomized multicentre trial on childhood acute lymphoblastic leukaemia in Russia

Abstract

Until 1990, the survival of children with acute lymphoblastic leukaemia (ALL) in Russia was below 10%. To establish a protocol feasible under conditions there, ALL-MB 91 was designed to avoid prolonged bone marrow aplasia, thereby reducing needs for extensive supportive care, blood transfusions, long-lasting hospitalization and costs. High-dose therapies were avoided, anthracycline use was limited and CNS radiation therapy only foreseen in high-risk patients (about 30%). This was randomized against a modified BFM protocol. From 1995 to 2002, 834 patients of age up to 18 years were registered in 10 centres and 713 received after central randomization the allocated risk-stratified treatment. After a median follow-up of 7 years, the event-free survival (EFS) was 67±3% on ALL-MB 91 (N=358) vs 68±3% on ALL-BFM 90m (N=355). The overall survival (OS) was 71±3% vs 74±2%, respectively. Anaemia, thrombocytopenia, agranulocytosis >10 days and hospitalization (median 35 vs 68 days) were lower on ALL-MB 91 (P<0.01, N=197). While EFS and OS were similar with both protocols, ALL-MB 91 significantly incurred fewer toxicity and resource requirements and, therefore, has been increasingly used across Russia.

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Acknowledgements

We thank all the Russian paediatric oncologists and laboratory co-workers from the participating centres involved, especially E Samochatova, S Plyasunova, M Dubrovina, T Nasedkina, K Kondratchik, G Novichkova, O Fuchs, E Rogacheva and D Lavruchin (all from Moscow); E Inushkina (Balashicha); O Chlebnikova, O Streneva (both from Ekaterinburg); O Plaksina (Nishni Novgorod); M Goroshkova, A Zemlyanskiy, E Shabashkewich (all from Nowokuznezk); L Chazaryan (Sochi) and G Pavlova (Cheboksari). We also thank all our German colleagues from the Charité—Universitätmedizin Berlin for their help in the education of Russian doctors and nurses, in particular, senior consultant Rüdiger Fengler, senior nurse Ina Arlt, and for help in statistics, Reinhard Hartmann. We also thank to Dr Martin Friedrichs, German Federal Foreign Office, and to all the members of the charity organization Kontakty-Kontakte e.V., Berlin, in particular project manager Eberhard Radczuweit, for continuous comprehensive support of our efforts to conduct this first multicentre trial in Russia. Meetings and travel expenditures of physicians, co-workers in the trial coordination center, technical equipment and drugs of this study were in part financed by the charity organization ‘Kontakty-Kontakte e.V.’, Berlin, Germany (http://www.kontakte-kontakty.de/).

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Correspondence to G Henze.

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This study has been presented in part at the annual meeting of the International Society of Paediatric Oncology (SIOP) 2005 in Vancouver.

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Karachunskiy, A., Herold, R., von Stackelberg, A. et al. Results of the first randomized multicentre trial on childhood acute lymphoblastic leukaemia in Russia. Leukemia 22, 1144–1153 (2008). https://doi.org/10.1038/leu.2008.63

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