Value of maintenance therapy with chemotherapy or interferon during remission of acute myeloid leukaemia
2009
: 108 consecutive patients with de novo acute myeloid leukaemia at ages 15 to 59 years were treated in a prospective controlled multicentre trial. Induction with combination TAD resulted in a complete remission in 85 cases (79%). After a cyclic consolidation programme for 6 months, 73% of the remissions continued. The maintenance therapy was at random either nothing, or alpha interferon, or monthly 5 day courses with thioguanine and cytarabine. The median duration of all remissions was 13 months; that of those in the control and interferon arms 15 months each, and in the chemotherapy arm 18 months. The median survival of all the 108 patients was 16 months; that of those in the control arm 20 months, in the interferon arm 33 months and in the chemotherapy arm 26 months. At 5 yr, 31%, 22% and 31%, respectively, were alive. The survival curves did not differ from each other significantly. Maintenance treatment after an intensive induction and a moderately intensive consolidation was of no benefit in this study. Interferon did not improve the prognosis.
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