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Childhood Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Postinduction Treatment for Specific ALL Subgroups

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Treatment options under clinical evaluation for T-cell ALL

Treatment options under clinical evaluation for T-cell ALL include the following:

  1. COG-AALL0434 (NCT00408005) (Combination Chemotherapy in Treating Young Patients With Newly Diagnosed T-Cell ALL or T-cell Lymphoblastic Lymphoma):

    COG-AALL0434 is a phase III trial utilizing a modified augmented BFM regimen for patients aged 1 to 30 years with T-cell ALL. Patients are classified into one of three risk groups (low, intermediate, or high) based on NCI age/leukocyte criteria, CNS status at diagnosis, morphologic marrow response on days 15 and 29, and minimal residual disease (MRD) level at day 29. The objectives of the trial include the following:

    • To determine the safety and efficacy of adding nelarabine to the modified augmented BFM regimen in high- and intermediate-risk patients.
    • To determine the relative safety and efficacy of high-dose (5 g/m2) versus Capizzi escalating lower-dose methotrexate without rescue during interim maintenance.
    • To test the efficacy of treating NCI standard-risk T-cell ALL patients who are rapid responders (about 15% of patients) without cranial radiation.
  2. DFCI-11-001 (NCT01574274) (SC-PEG Asparaginase versus Oncaspar in Pediatric ALL and Lymphoblastic Lymphoma):

    Patients with T-cell ALL are eligible to enroll on a DFCI ALL Consortium protocol that is comparing the pharmacokinetics and toxicity of two forms of intravenous (IV) PEG-L-asparaginase (pegaspargase [Oncaspar] and calaspargase pegol [SC-PEG]). Patients will be randomly assigned to receive a single dose of one of these preparations during multiagent induction, and then either pegaspargase every 2 weeks (15 doses total) or calaspargase pegol every 3 weeks (10 doses total) during the 30-week consolidation phase.

    This protocol is also testing whether antibiotic prophylaxis (with fluoroquinolones) reduces rates of bacteremia and other serious bacterial infections during the remission induction phase. All T-cell patients are treated on the high-risk arm of this trial, regardless of other presenting characteristics.

Current Clinical Trials

Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with T-cell childhood acute lymphoblastic leukemia. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.

General information about clinical trials is also available from the NCI Web site.

Infants With ALL

Infant ALL is uncommon, representing approximately 2% to 4% of cases of childhood ALL.[11] Because of their distinctive biological characteristics and their high risk for leukemia recurrence, infants with ALL are treated on protocols specifically designed for this patient population. Common therapeutic themes of the intensive chemotherapy regimens used to treat infants with ALL are the inclusion of postinduction intensification courses with high doses of cytarabine and methotrexate.[12,13,14] Despite intensification of therapy, long-term EFS rates remain below 50%. Infants with congenital leukemia (diagnosed within 1 month of birth) have a particularly poor outcome (17% overall survival [OS]).[15][Level of evidence: 2A].

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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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