Abstract:
:Two groups of children with refractory acute lymphoblastic leukemia were treated with a regimen of methotrexate (MTX) and asparaginase (Asn'ase) based on studies of the effect of MTX in vitro on human lymphoblasts exposed to Asn'ase. Induction therapy in 12 children produced 4 complete remissions, 3 partial remissions, and 5 failures. Responsiveness to Asn'ase seemed necessary for successful induction with the drug combinations. Maintenance therapy in 18 children produced a median hematologic remission of 31 weeks (range 3-85 weeks). During remission, 2 children developed central nervous system leukemia and 2 died of infection. The mean maximally tolerated dose of MTX was 361 mg/m2. The results of this trial suggest therapeutic synergy in maintenance therapy and the capability of Asn'ase to attenuate MTX toxicity.
journal_name
Cancerjournal_title
Cancerauthors
Lobel JS,O'Brien RT,McIntosh S,Aspnes GT,Capizzi RLdoi
10.1002/1097-0142(197903)43:3<1089::aid-cncr282043subject
Has Abstractpub_date
1979-03-01 00:00:00pages
1089-94issue
3eissn
0008-543Xissn
1097-0142journal_volume
43pub_type
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