Treatment of childhood acute lymphoblastic leukemia: results of Dana-Farber Cancer Institute/Children's Hospital Acute Lymphoblastic Leukemia Consortium Protocol 85-01.
1994
PURPOSEThe goals of this treatment program were as follows: to improve event-free survival (EFS) rates for high-risk (HR) patients by increasing the intensity of induction treatment; to improve EFS rates for infants by adding a special postinduction intensification; to treat the CNS using cranial irradiation doses that were lower than in our historic control group; and to confirm our previously obtained good results for children with T-cell disease.PATIENTS AND METHODSTwo hundred twenty children with acute lymphoblastic leukemia (ALL) from all risk groups, including infants and patients with T-cell disease, were treated between 1985 and 1987 with multiagent chemotherapy and cranial irradiation.RESULTSThe 7-year EFS rate (+/- SE) for all 220 patients was 78% +/- 3% at a median follow-up duration of 6.2 years, 89% +/- 4% for the 82 patients classified as standard risk (SR), and 72% +/- 4% for the remaining 138 patients classified as HR and very high risk (VHR). Eleven infants had an EFS rate of 55% +/- 15% ...
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