Purpose

This randomized phase III trial studies how well imatinib mesylate and combination chemotherapy work in treating patients with newly diagnosed Philadelphia chromosome positive acute lymphoblastic leukemia. Imatinib mesylate may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving imatinib mesylate and combination chemotherapy may work better in treating patients with Philadelphia chromosome positive acute lymphoblastic leukemia.

Conditions

Eligibility

Eligible Ages
Between 2 Years and 21 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • For patients enrolled on APEC14B1 prior to enrollment on AALL1631, the required diagnostic bone marrow sample has been fulfilled - For patients who have not previously enrolled on APEC14B1 prior to enrollment on AALL1631, a baseline diagnostic sample (or peripheral blood sample with blasts if marrow sample unavailable) must be available to develop an MRD probe - In addition, laboratory reports detailing evidence of BCR-ABL1 fusion must be submitted for rapid central review within 72 hours of study enrollment - Newly diagnosed de novo ALL (B-ALL or T-ALL) or mixed phenotypic acute leukemia (MPAL meeting 2016 World Health Organization [WHO] definition) with definitive evidence of BCR-ABL1 fusion by karyotype, fluorescence in situ hybridization (FISH) and/or reverse transcriptase (RT)-PCR - Patient must have previously started induction therapy, which includes vincristine, a corticosteroid, pegaspargase, with or without anthracycline, and/or other standard cytotoxic chemotherapy - Patient has not received more than 14 days of multiagent induction therapy beginning with the first dose of vinCRIStine - Patient may have started imatinib prior to study entry but has not received more than 14 days of imatinib - Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1, or 2 - Direct bilirubin =< 2.0 mg/dL - Shortening fraction of >= 27% by echocardiogram - Ejection fraction of >= 50% by radionuclide angiogram or echocardiogram - Corrected QT interval, QTc < 480 msec - Note: Repeat echocardiogram is not required if echocardiogram was obtained within 21 days of study enrollment - Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 - Serum creatinine within normal limits based on age/gender, as follows: - 1 to < 2 years: maximum serum creatinine 0.6 mg/dL (both male and female) - 2 to < 6 years: maximum serum creatinine 0.8 mg/dL (both male and female) - 6 to < 10 years: maximum serum creatinine 1 mg/dL (both male and female) - 10 to < 13 years: maximum serum creatinine 1.2 mg/dL (both male and female) - 13 to < 16 years: maximum serum creatinine 1.5 mg/dL (male), 1.4 mg/dL (female) - >= 16 years: maximum serum creatinine 1.7 mg/dL (male), 1.4 mg/dL (female)

Exclusion Criteria

  • Known history of chronic myelogenous leukemia (CML) - ALL developing after a previous cancer treated with cytotoxic chemotherapy - Active, uncontrolled infection, or active systemic illness that requires ongoing vasopressor support or mechanical ventilation - Down syndrome - Pregnancy and breast feeding - Female patients who are pregnant since fetal toxicities and teratogenic effects have been noted for several of the study drugs; a pregnancy test is required for female patients of childbearing potential - Lactating females who plan to breastfeed their infants - Sexually active patients of reproductive potential who have not agreed to use an effective contraceptive method for the duration of their study participation - Patients with congenital long QT syndrome, history of ventricular arrhythmias or heart block - Prior treatment with dasatinib, or any BCR-ABL1 inhibitor other than imatinib - All patients and/or their parents or legal guardians must sign a written informed consent - All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met

Study Design

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Arm A (imatinib mesylate, EsPhALL chemotherapy)
See Detailed Description
  • Drug: Cyclophosphamide
    Given IV
    Other names:
    • (-)-Cyclophosphamide
    • 2H-1,3,2-Oxazaphosphorine, 2-[bis(2-chloroethyl)amino]tetrahydro-, 2-oxide, monohydrate
    • Carloxan
    • Ciclofosfamida
    • Ciclofosfamide
    • Cicloxal
    • Clafen
    • Claphene
    • CP monohydrate
    • CTX
    • CYCLO-cell
    • Cycloblastin
    • Cycloblastine
    • Cyclophospham
    • Cyclophosphamid monohydrate
    • Cyclophosphamide Monohydrate
    • Cyclophosphamidum
    • Cyclophosphan
    • Cyclophosphane
    • Cyclophosphanum
    • Cyclostin
    • Cyclostine
    • Cytophosphan
    • Cytophosphane
    • Cytoxan
    • Fosfaseron
    • Genoxal
    • Genuxal
    • Ledoxina
    • Mitoxan
    • Neosar
    • Revimmune
    • Syklofosfamid
    • WR- 138719
  • Drug: Cytarabine
    Given IV, SC, or IT
    Other names:
    • .beta.-Cytosine arabinoside
    • 1-.beta.-D-Arabinofuranosyl-4-amino-2(1H)pyrimidinone
    • 1-.beta.-D-Arabinofuranosylcytosine
    • 1-Beta-D-arabinofuranosyl-4-amino-2(1H)pyrimidinone
    • 1-Beta-D-arabinofuranosylcytosine
    • 1.beta.-D-Arabinofuranosylcytosine
    • 2(1H)-Pyrimidinone, 4-Amino-1-beta-D-arabinofuranosyl-
    • 2(1H)-Pyrimidinone, 4-amino-1.beta.-D-arabinofuranosyl-
    • Alexan
    • Ara-C
    • ARA-cell
    • Arabine
    • Arabinofuranosylcytosine
    • Arabinosylcytosine
    • Aracytidine
    • Aracytin
    • Aracytine
    • Beta-cytosine Arabinoside
    • CHX-3311
    • Cytarabinum
    • Cytarbel
    • Cytosar
    • Cytosine Arabinoside
    • Cytosine-.beta.-arabinoside
    • Cytosine-beta-arabinoside
    • Erpalfa
    • Starasid
    • Tarabine PFS
    • U 19920
    • U-19920
    • Udicil
    • WR-28453
  • Drug: Daunorubicin Hydrochloride
    Given IV
    Other names:
    • Cerubidin
    • Cerubidine
    • Cloridrato de Daunorubicina
    • Daunoblastin
    • Daunoblastina
    • Daunoblastine
    • Daunomycin hydrochloride
    • Daunomycin, hydrochloride
    • Daunorubicin.HCl
    • Daunorubicini Hydrochloridum
    • FI-6339
    • Ondena
    • RP-13057
    • Rubidomycin Hydrochloride
    • Rubilem
  • Drug: Dexamethasone
    Given PO or IV
    Other names:
    • Aacidexam
    • Adexone
    • Aknichthol Dexa
    • Alba-Dex
    • Alin
    • Alin Depot
    • Alin Oftalmico
    • Amplidermis
    • Anemul mono
    • Auricularum
    • Auxiloson
    • Baycadron
    • Baycuten
    • Baycuten N
    • Cortidexason
    • Cortisumman
    • Decacort
    • Decadrol
    • Decadron
    • Decadron DP
    • Decalix
    • Decameth
    • Decasone R.p.
    • Dectancyl
    • Dekacort
    • Deltafluorene
    • Deronil
    • Desamethasone
    • Desameton
    • Dexa-Mamallet
    • Dexa-Rhinosan
    • Dexa-Scheroson
    • Dexa-sine
    • Dexacortal
    • Dexacortin
    • Dexafarma
    • Dexafluorene
    • Dexalocal
    • Dexamecortin
    • Dexameth
    • Dexamethasone Intensol
    • Dexamethasonum
    • Dexamonozon
    • Dexapos
    • Dexinoral
    • Dexone
    • Dinormon
    • Fluorodelta
    • Fortecortin
    • Gammacorten
    • Hexadecadrol
    • Hexadrol
    • Lokalison-F
    • Loverine
    • Methylfluorprednisolone
    • Millicorten
    • Mymethasone
    • Orgadrone
    • Spersadex
    • TaperDex
    • Visumetazone
    • ZoDex
  • Drug: Dexrazoxane Hydrochloride
    Given IV
    Other names:
    • Cardioxane
    • Totect
    • Zinecard
  • Drug: Doxorubicin
    Given IV
    Other names:
    • Adriablastin
    • Hydroxydaunomycin
    • Hydroxyl Daunorubicin
    • Hydroxyldaunorubicin
  • Drug: Etoposide
    Given IV
    Other names:
    • Demethyl Epipodophyllotoxin Ethylidine Glucoside
    • EPEG
    • Lastet
    • Toposar
    • Vepesid
    • VP 16
    • VP 16-213
    • VP-16
    • VP-16-213
    • VP16
  • Biological: Filgrastim
    Given IV
    Other names:
    • G-CSF
    • Neupogen
    • r-metHuG-CSF
    • Recombinant Methionyl Human Granulocyte Colony Stimulating Factor
    • rG-CSF
    • Tevagrastim
  • Drug: Ifosfamide
    Given IV
    Other names:
    • Asta Z 4942
    • Asta Z-4942
    • Cyfos
    • Holoxan
    • Holoxane
    • Ifex
    • IFO
    • IFO-Cell
    • Ifolem
    • Ifomida
    • Ifomide
    • Ifosfamidum
    • Ifoxan
    • IFX
    • Iphosphamid
    • Iphosphamide
    • Iso-Endoxan
    • Isoendoxan
    • Isophosphamide
    • Mitoxana
    • MJF 9325
    • MJF-9325
    • Naxamide
    • Seromida
    • Tronoxal
    • Z 4942
    • Z-4942
  • Drug: Imatinib Mesylate
    Given PO
    Other names:
    • CGP 57148
    • CGP57148B
    • Gleevec
    • Glivec
    • STI 571
    • STI-571
    • STI571
  • Other: Laboratory Biomarker Analysis
    Correlative studies
  • Drug: Leucovorin Calcium
    Given PO or IV
    Other names:
    • Adinepar
    • Calcifolin
    • Calcium (6S)-Folinate
    • Calcium Folinate
    • Calcium Leucovorin
    • Calfolex
    • Calinat
    • Cehafolin
    • Citofolin
    • Citrec
    • citrovorum factor
    • Cromatonbic Folinico
    • Dalisol
    • Disintox
    • Divical
    • Ecofol
    • Emovis
    • Factor, Citrovorum
    • Flynoken A
    • Folaren
    • Folaxin
    • FOLI-cell
    • Foliben
    • Folidan
    • Folidar
    • Folinac
    • Folinate Calcium
    • folinic acid
    • Folinic Acid Calcium Salt Pentahydrate
    • Folinoral
    • Folinvit
    • Foliplus
    • Folix
    • Imo
    • Lederfolat
    • Lederfolin
    • Leucosar
    • leucovorin
    • Rescufolin
    • Rescuvolin
    • Tonofolin
    • Wellcovorin
  • Drug: Mercaptopurine
    Given PO
    Other names:
    • 3H-Purine-6-thiol
    • 6 MP
    • 6 Thiohypoxanthine
    • 6 Thiopurine
    • 6-Mercaptopurine
    • 6-Mercaptopurine Monohydrate
    • 6-MP
    • 6-Purinethiol
    • 6-Thiopurine
    • 6-Thioxopurine
    • 6H-Purine-6-thione, 1,7-dihydro- (9CI)
    • 7-Mercapto-1,3,4,6-tetrazaindene
    • Alti-Mercaptopurine
    • Azathiopurine
    • BW 57-323H
    • Flocofil
    • Ismipur
    • Leukerin
    • Leupurin
    • Mercaleukim
    • Mercaleukin
    • Mercaptina
    • Mercaptopurinum
    • Mercapurin
    • Mern
    • NCI-C04886
    • Puri-Nethol
    • Purimethol
    • Purine, 6-mercapto-
    • Purine-6-thiol (8CI)
    • Purine-6-thiol, monohydrate
    • Purinethiol
    • Purinethol
    • U-4748
    • WR-2785
  • Drug: Mercaptopurine
    Given PO
    Other names:
    • 3H-Purine-6-thiol
    • 6 MP
    • 6 Thiohypoxanthine
    • 6 Thiopurine
    • 6-Mercaptopurine
    • 6-Mercaptopurine Monohydrate
    • 6-MP
    • 6-Purinethiol
    • 6-Thiopurine
    • 6-Thioxopurine
    • 6H-Purine-6-thione, 1,7-dihydro- (9CI)
    • 7-Mercapto-1,3,4,6-tetrazaindene
    • Alti-Mercaptopurine
    • Azathiopurine
    • BW 57-323H
    • Flocofil
    • Ismipur
    • Leukerin
    • Leupurin
    • Mercaleukim
    • Mercaleukin
    • Mercaptina
    • Mercaptopurinum
    • Mercapurin
    • Mern
    • NCI-C04886
    • Puri-Nethol
    • Purimethol
    • Purine, 6-mercapto-
    • Purine-6-thiol (8CI)
    • Purine-6-thiol, monohydrate
    • Purinethiol
    • Purinethol
    • U-4748
    • WR-2785
  • Drug: Methotrexate
    Given IT
    Other names:
    • Abitrexate
    • Alpha-Methopterin
    • Amethopterin
    • Brimexate
    • CL 14377
    • CL-14377
    • Emtexate
    • Emthexat
    • Emthexate
    • Farmitrexat
    • Fauldexato
    • Folex
    • Folex PFS
    • Lantarel
    • Ledertrexate
    • Lumexon
    • Maxtrex
    • Medsatrexate
    • Metex
    • Methoblastin
    • Methotrexate LPF
    • Methotrexate Methylaminopterin
    • Methotrexatum
    • Metotrexato
    • Metrotex
    • Mexate
    • Mexate-AQ
    • MTX
    • Novatrex
    • Rheumatrex
    • Texate
    • Tremetex
    • Trexeron
    • Trixilem
    • WR-19039
  • Drug: Methylprednisolone
    Given IV
    Other names:
    • Adlone
    • Caberdelta M
    • DepMedalone
    • Depo Moderin
    • Depo-Nisolone
    • Duralone
    • Emmetipi
    • Esametone
    • Firmacort
    • Medlone 21
    • Medrate
    • Medrol
    • Medrol Veriderm
    • Medrone
    • Mega-Star
    • Meprolone
    • Methylprednisolonum
    • Metilbetasone Solubile
    • Metrocort
    • Metypresol
    • Metysolon
    • Predni-M-Tablinen
    • Prednilen
    • Radilem
    • Sieropresol
    • Solpredone
    • Summicort
    • Urbason
    • Veriderm Medrol
    • Wyacort
  • Drug: Pegaspargase
    Given IV
    Other names:
    • L-Asparaginase with Polyethylene Glycol
    • Oncaspar
    • Oncaspar-IV
    • PEG-asparaginase
    • PEG-L-Asparaginase
    • PEG-L-Asparaginase (Enzon - Kyowa Hakko)
    • PEGLA
    • Polyethylene Glycol L-Asparaginase
    • Polyethylene Glycol-L-Asparaginase
  • Drug: Prednisolone
    Given PO
    Other names:
    • (11beta)-11,17,21-Trihydroxypregna-1,4-diene-3,20-dione
    • .delta.1-Hydrocortisone
    • Adnisolone
    • Aprednislon
    • Capsoid
    • Cortalone
    • Cortisolone
    • Dacortin H
    • Decaprednil
    • Decortin H
    • Delta(1)Hydrocortisone
    • Delta- Cortef
    • Delta-Cortef
    • Delta-Diona
    • Delta-F
    • Delta-Phoricol
    • Delta1-dehydro-hydrocortisone
    • Deltacortril
    • Deltahydrocortisone
    • Deltasolone
    • Deltidrosol
    • Dhasolone
    • Di-Adreson-F
    • Dontisolon D
    • Estilsona
    • Fisopred
    • Frisolona
    • Gupisone
    • Hostacortin H
    • Hydeltra
    • Hydeltrasol
    • Klismacort
    • Kuhlprednon
    • Lenisolone
    • Lepi-Cortinolo
    • Linola-H N
    • Linola-H-Fett N
    • Longiprednil
    • Metacortandralone
    • Meti Derm
    • Meticortelone
    • Opredsone
    • Panafcortelone
    • Precortisyl
    • Pred-Clysma
    • Predeltilone
    • Predni-Coelin
    • Predni-Helvacort
    • Prednicortelone
    • Prednisolonum
    • Prelone
    • Prenilone
    • Sterane
  • Other: Questionnaire Administration
    Ancillary studies
  • Drug: Therapeutic Hydrocortisone
    Given IT
    Other names:
    • Aeroseb-HC
    • Barseb HC
    • Barseb-HC
    • Cetacort
    • Cort-Dome
    • Cortef
    • Cortenema
    • Cortifan
    • Cortisol
    • Cortispray
    • Cortril
    • Dermacort
    • Domolene
    • Eldecort
    • Hautosone
    • Heb-Cort
    • Hydrocortisone
    • Hydrocortone
    • Hytone
    • Komed-HC
    • Nutracort
    • Proctocort
    • Rectoid
  • Drug: Thioguanine
    Given PO
    Other names:
    • 2-Amino 6MP
    • 2-Amino-1,7-dihydro-6H-purine-6-thione
    • 2-Amino-6-mercaptopurine
    • 2-Amino-6-purinethiol
    • 2-Aminopurin-6-thiol
    • 2-Aminopurine-6(1H)-thione
    • 2-Aminopurine-6-thiol
    • 2-Aminopurine-6-thiol Hemihydrate
    • 2-Mercapto-6-aminopurine
    • 6-Amino-2-mercaptopurine
    • 6-Mercapto-2-aminopurine
    • 6-Mercaptoguanine
    • 6-TG
    • 6H-Purine-6-thione, 2-amino-1,7-dihydro- (9CI)
    • BW 5071
    • Lanvis
    • Tabloid
    • Thioguanine Hemihydrate
    • Thioguanine Hydrate
    • Tioguanin
    • Tioguanine
    • Wellcome U3B
    • WR-1141
    • X 27
  • Drug: Vincristine Sulfate
    Given IV
    Other names:
    • Kyocristine
    • Leurocristine sulfate
    • Leurocristine, sulfate
    • Oncovin
    • Vincasar
    • Vincosid
    • Vincrex
    • Vincristine, sulfate
Experimental
Arm B (imatinib mesylate, COG/BFM chemotherapy)
See Detailed Description.
  • Drug: Cyclophosphamide
    Given IV
    Other names:
    • (-)-Cyclophosphamide
    • 2H-1,3,2-Oxazaphosphorine, 2-[bis(2-chloroethyl)amino]tetrahydro-, 2-oxide, monohydrate
    • Carloxan
    • Ciclofosfamida
    • Ciclofosfamide
    • Cicloxal
    • Clafen
    • Claphene
    • CP monohydrate
    • CTX
    • CYCLO-cell
    • Cycloblastin
    • Cycloblastine
    • Cyclophospham
    • Cyclophosphamid monohydrate
    • Cyclophosphamide Monohydrate
    • Cyclophosphamidum
    • Cyclophosphan
    • Cyclophosphane
    • Cyclophosphanum
    • Cyclostin
    • Cyclostine
    • Cytophosphan
    • Cytophosphane
    • Cytoxan
    • Fosfaseron
    • Genoxal
    • Genuxal
    • Ledoxina
    • Mitoxan
    • Neosar
    • Revimmune
    • Syklofosfamid
    • WR- 138719
  • Drug: Cytarabine
    Given IV, SC, or IT
    Other names:
    • .beta.-Cytosine arabinoside
    • 1-.beta.-D-Arabinofuranosyl-4-amino-2(1H)pyrimidinone
    • 1-.beta.-D-Arabinofuranosylcytosine
    • 1-Beta-D-arabinofuranosyl-4-amino-2(1H)pyrimidinone
    • 1-Beta-D-arabinofuranosylcytosine
    • 1.beta.-D-Arabinofuranosylcytosine
    • 2(1H)-Pyrimidinone, 4-Amino-1-beta-D-arabinofuranosyl-
    • 2(1H)-Pyrimidinone, 4-amino-1.beta.-D-arabinofuranosyl-
    • Alexan
    • Ara-C
    • ARA-cell
    • Arabine
    • Arabinofuranosylcytosine
    • Arabinosylcytosine
    • Aracytidine
    • Aracytin
    • Aracytine
    • Beta-cytosine Arabinoside
    • CHX-3311
    • Cytarabinum
    • Cytarbel
    • Cytosar
    • Cytosine Arabinoside
    • Cytosine-.beta.-arabinoside
    • Cytosine-beta-arabinoside
    • Erpalfa
    • Starasid
    • Tarabine PFS
    • U 19920
    • U-19920
    • Udicil
    • WR-28453
  • Drug: Dexamethasone
    Given PO or IV
    Other names:
    • Aacidexam
    • Adexone
    • Aknichthol Dexa
    • Alba-Dex
    • Alin
    • Alin Depot
    • Alin Oftalmico
    • Amplidermis
    • Anemul mono
    • Auricularum
    • Auxiloson
    • Baycadron
    • Baycuten
    • Baycuten N
    • Cortidexason
    • Cortisumman
    • Decacort
    • Decadrol
    • Decadron
    • Decadron DP
    • Decalix
    • Decameth
    • Decasone R.p.
    • Dectancyl
    • Dekacort
    • Deltafluorene
    • Deronil
    • Desamethasone
    • Desameton
    • Dexa-Mamallet
    • Dexa-Rhinosan
    • Dexa-Scheroson
    • Dexa-sine
    • Dexacortal
    • Dexacortin
    • Dexafarma
    • Dexafluorene
    • Dexalocal
    • Dexamecortin
    • Dexameth
    • Dexamethasone Intensol
    • Dexamethasonum
    • Dexamonozon
    • Dexapos
    • Dexinoral
    • Dexone
    • Dinormon
    • Fluorodelta
    • Fortecortin
    • Gammacorten
    • Hexadecadrol
    • Hexadrol
    • Lokalison-F
    • Loverine
    • Methylfluorprednisolone
    • Millicorten
    • Mymethasone
    • Orgadrone
    • Spersadex
    • TaperDex
    • Visumetazone
    • ZoDex
  • Drug: Dexrazoxane Hydrochloride
    Given IV
    Other names:
    • Cardioxane
    • Totect
    • Zinecard
  • Drug: Doxorubicin
    Given IV
    Other names:
    • Adriablastin
    • Hydroxydaunomycin
    • Hydroxyl Daunorubicin
    • Hydroxyldaunorubicin
  • Drug: Imatinib Mesylate
    Given PO
    Other names:
    • CGP 57148
    • CGP57148B
    • Gleevec
    • Glivec
    • STI 571
    • STI-571
    • STI571
  • Other: Laboratory Biomarker Analysis
    Correlative studies
  • Drug: Leucovorin Calcium
    Given PO or IV
    Other names:
    • Adinepar
    • Calcifolin
    • Calcium (6S)-Folinate
    • Calcium Folinate
    • Calcium Leucovorin
    • Calfolex
    • Calinat
    • Cehafolin
    • Citofolin
    • Citrec
    • citrovorum factor
    • Cromatonbic Folinico
    • Dalisol
    • Disintox
    • Divical
    • Ecofol
    • Emovis
    • Factor, Citrovorum
    • Flynoken A
    • Folaren
    • Folaxin
    • FOLI-cell
    • Foliben
    • Folidan
    • Folidar
    • Folinac
    • Folinate Calcium
    • folinic acid
    • Folinic Acid Calcium Salt Pentahydrate
    • Folinoral
    • Folinvit
    • Foliplus
    • Folix
    • Imo
    • Lederfolat
    • Lederfolin
    • Leucosar
    • leucovorin
    • Rescufolin
    • Rescuvolin
    • Tonofolin
    • Wellcovorin
  • Drug: Mercaptopurine
    Given PO
    Other names:
    • 3H-Purine-6-thiol
    • 6 MP
    • 6 Thiohypoxanthine
    • 6 Thiopurine
    • 6-Mercaptopurine
    • 6-Mercaptopurine Monohydrate
    • 6-MP
    • 6-Purinethiol
    • 6-Thiopurine
    • 6-Thioxopurine
    • 6H-Purine-6-thione, 1,7-dihydro- (9CI)
    • 7-Mercapto-1,3,4,6-tetrazaindene
    • Alti-Mercaptopurine
    • Azathiopurine
    • BW 57-323H
    • Flocofil
    • Ismipur
    • Leukerin
    • Leupurin
    • Mercaleukim
    • Mercaleukin
    • Mercaptina
    • Mercaptopurinum
    • Mercapurin
    • Mern
    • NCI-C04886
    • Puri-Nethol
    • Purimethol
    • Purine, 6-mercapto-
    • Purine-6-thiol (8CI)
    • Purine-6-thiol, monohydrate
    • Purinethiol
    • Purinethol
    • U-4748
    • WR-2785
  • Drug: Methotrexate
    Given IT
    Other names:
    • Abitrexate
    • Alpha-Methopterin
    • Amethopterin
    • Brimexate
    • CL 14377
    • CL-14377
    • Emtexate
    • Emthexat
    • Emthexate
    • Farmitrexat
    • Fauldexato
    • Folex
    • Folex PFS
    • Lantarel
    • Ledertrexate
    • Lumexon
    • Maxtrex
    • Medsatrexate
    • Metex
    • Methoblastin
    • Methotrexate LPF
    • Methotrexate Methylaminopterin
    • Methotrexatum
    • Metotrexato
    • Metrotex
    • Mexate
    • Mexate-AQ
    • MTX
    • Novatrex
    • Rheumatrex
    • Texate
    • Tremetex
    • Trexeron
    • Trixilem
    • WR-19039
  • Drug: Methylprednisolone
    Given IV
    Other names:
    • Adlone
    • Caberdelta M
    • DepMedalone
    • Depo Moderin
    • Depo-Nisolone
    • Duralone
    • Emmetipi
    • Esametone
    • Firmacort
    • Medlone 21
    • Medrate
    • Medrol
    • Medrol Veriderm
    • Medrone
    • Mega-Star
    • Meprolone
    • Methylprednisolonum
    • Metilbetasone Solubile
    • Metrocort
    • Metypresol
    • Metysolon
    • Predni-M-Tablinen
    • Prednilen
    • Radilem
    • Sieropresol
    • Solpredone
    • Summicort
    • Urbason
    • Veriderm Medrol
    • Wyacort
  • Drug: Pegaspargase
    Given IV
    Other names:
    • L-Asparaginase with Polyethylene Glycol
    • Oncaspar
    • Oncaspar-IV
    • PEG-asparaginase
    • PEG-L-Asparaginase
    • PEG-L-Asparaginase (Enzon - Kyowa Hakko)
    • PEGLA
    • Polyethylene Glycol L-Asparaginase
    • Polyethylene Glycol-L-Asparaginase
  • Drug: Prednisolone
    Given PO
    Other names:
    • (11beta)-11,17,21-Trihydroxypregna-1,4-diene-3,20-dione
    • .delta.1-Hydrocortisone
    • Adnisolone
    • Aprednislon
    • Capsoid
    • Cortalone
    • Cortisolone
    • Dacortin H
    • Decaprednil
    • Decortin H
    • Delta(1)Hydrocortisone
    • Delta- Cortef
    • Delta-Cortef
    • Delta-Diona
    • Delta-F
    • Delta-Phoricol
    • Delta1-dehydro-hydrocortisone
    • Deltacortril
    • Deltahydrocortisone
    • Deltasolone
    • Deltidrosol
    • Dhasolone
    • Di-Adreson-F
    • Dontisolon D
    • Estilsona
    • Fisopred
    • Frisolona
    • Gupisone
    • Hostacortin H
    • Hydeltra
    • Hydeltrasol
    • Klismacort
    • Kuhlprednon
    • Lenisolone
    • Lepi-Cortinolo
    • Linola-H N
    • Linola-H-Fett N
    • Longiprednil
    • Metacortandralone
    • Meti Derm
    • Meticortelone
    • Opredsone
    • Panafcortelone
    • Precortisyl
    • Pred-Clysma
    • Predeltilone
    • Predni-Coelin
    • Predni-Helvacort
    • Prednicortelone
    • Prednisolonum
    • Prelone
    • Prenilone
    • Sterane
  • Other: Questionnaire Administration
    Ancillary studies
  • Drug: Thioguanine
    Given PO
    Other names:
    • 2-Amino 6MP
    • 2-Amino-1,7-dihydro-6H-purine-6-thione
    • 2-Amino-6-mercaptopurine
    • 2-Amino-6-purinethiol
    • 2-Aminopurin-6-thiol
    • 2-Aminopurine-6(1H)-thione
    • 2-Aminopurine-6-thiol
    • 2-Aminopurine-6-thiol Hemihydrate
    • 2-Mercapto-6-aminopurine
    • 6-Amino-2-mercaptopurine
    • 6-Mercapto-2-aminopurine
    • 6-Mercaptoguanine
    • 6-TG
    • 6H-Purine-6-thione, 2-amino-1,7-dihydro- (9CI)
    • BW 5071
    • Lanvis
    • Tabloid
    • Thioguanine Hemihydrate
    • Thioguanine Hydrate
    • Tioguanin
    • Tioguanine
    • Wellcome U3B
    • WR-1141
    • X 27
  • Drug: Vincristine Sulfate
    Given IV
    Other names:
    • Kyocristine
    • Leurocristine sulfate
    • Leurocristine, sulfate
    • Oncovin
    • Vincasar
    • Vincosid
    • Vincrex
    • Vincristine, sulfate
Experimental
Arm C (imatinib mesylate, EsPhALL chemotherapy, HSCT)
See Detailed Description
  • Procedure: Allogeneic Hematopoietic Stem Cell Transplantation
    Undergo HSCT
    Other names:
    • Allogeneic Hematopoietic Cell Transplantation
    • Allogeneic Stem Cell Transplantation
    • HSC
    • HSCT
    • Stem Cell Transplantation, Allogeneic
  • Drug: Cyclophosphamide
    Given IV
    Other names:
    • (-)-Cyclophosphamide
    • 2H-1,3,2-Oxazaphosphorine, 2-[bis(2-chloroethyl)amino]tetrahydro-, 2-oxide, monohydrate
    • Carloxan
    • Ciclofosfamida
    • Ciclofosfamide
    • Cicloxal
    • Clafen
    • Claphene
    • CP monohydrate
    • CTX
    • CYCLO-cell
    • Cycloblastin
    • Cycloblastine
    • Cyclophospham
    • Cyclophosphamid monohydrate
    • Cyclophosphamide Monohydrate
    • Cyclophosphamidum
    • Cyclophosphan
    • Cyclophosphane
    • Cyclophosphanum
    • Cyclostin
    • Cyclostine
    • Cytophosphan
    • Cytophosphane
    • Cytoxan
    • Fosfaseron
    • Genoxal
    • Genuxal
    • Ledoxina
    • Mitoxan
    • Neosar
    • Revimmune
    • Syklofosfamid
    • WR- 138719
  • Drug: Cytarabine
    Given IV, SC, or IT
    Other names:
    • .beta.-Cytosine arabinoside
    • 1-.beta.-D-Arabinofuranosyl-4-amino-2(1H)pyrimidinone
    • 1-.beta.-D-Arabinofuranosylcytosine
    • 1-Beta-D-arabinofuranosyl-4-amino-2(1H)pyrimidinone
    • 1-Beta-D-arabinofuranosylcytosine
    • 1.beta.-D-Arabinofuranosylcytosine
    • 2(1H)-Pyrimidinone, 4-Amino-1-beta-D-arabinofuranosyl-
    • 2(1H)-Pyrimidinone, 4-amino-1.beta.-D-arabinofuranosyl-
    • Alexan
    • Ara-C
    • ARA-cell
    • Arabine
    • Arabinofuranosylcytosine
    • Arabinosylcytosine
    • Aracytidine
    • Aracytin
    • Aracytine
    • Beta-cytosine Arabinoside
    • CHX-3311
    • Cytarabinum
    • Cytarbel
    • Cytosar
    • Cytosine Arabinoside
    • Cytosine-.beta.-arabinoside
    • Cytosine-beta-arabinoside
    • Erpalfa
    • Starasid
    • Tarabine PFS
    • U 19920
    • U-19920
    • Udicil
    • WR-28453
  • Drug: Daunorubicin Hydrochloride
    Given IV
    Other names:
    • Cerubidin
    • Cerubidine
    • Cloridrato de Daunorubicina
    • Daunoblastin
    • Daunoblastina
    • Daunoblastine
    • Daunomycin hydrochloride
    • Daunomycin, hydrochloride
    • Daunorubicin.HCl
    • Daunorubicini Hydrochloridum
    • FI-6339
    • Ondena
    • RP-13057
    • Rubidomycin Hydrochloride
    • Rubilem
  • Drug: Dexamethasone
    Given PO or IV
    Other names:
    • Aacidexam
    • Adexone
    • Aknichthol Dexa
    • Alba-Dex
    • Alin
    • Alin Depot
    • Alin Oftalmico
    • Amplidermis
    • Anemul mono
    • Auricularum
    • Auxiloson
    • Baycadron
    • Baycuten
    • Baycuten N
    • Cortidexason
    • Cortisumman
    • Decacort
    • Decadrol
    • Decadron
    • Decadron DP
    • Decalix
    • Decameth
    • Decasone R.p.
    • Dectancyl
    • Dekacort
    • Deltafluorene
    • Deronil
    • Desamethasone
    • Desameton
    • Dexa-Mamallet
    • Dexa-Rhinosan
    • Dexa-Scheroson
    • Dexa-sine
    • Dexacortal
    • Dexacortin
    • Dexafarma
    • Dexafluorene
    • Dexalocal
    • Dexamecortin
    • Dexameth
    • Dexamethasone Intensol
    • Dexamethasonum
    • Dexamonozon
    • Dexapos
    • Dexinoral
    • Dexone
    • Dinormon
    • Fluorodelta
    • Fortecortin
    • Gammacorten
    • Hexadecadrol
    • Hexadrol
    • Lokalison-F
    • Loverine
    • Methylfluorprednisolone
    • Millicorten
    • Mymethasone
    • Orgadrone
    • Spersadex
    • TaperDex
    • Visumetazone
    • ZoDex
  • Drug: Dexrazoxane Hydrochloride
    Given IV
    Other names:
    • Cardioxane
    • Totect
    • Zinecard
  • Drug: Doxorubicin
    Given IV
    Other names:
    • Adriablastin
    • Hydroxydaunomycin
    • Hydroxyl Daunorubicin
    • Hydroxyldaunorubicin
  • Drug: Etoposide
    Given IV
    Other names:
    • Demethyl Epipodophyllotoxin Ethylidine Glucoside
    • EPEG
    • Lastet
    • Toposar
    • Vepesid
    • VP 16
    • VP 16-213
    • VP-16
    • VP-16-213
    • VP16
  • Biological: Filgrastim
    Given IV
    Other names:
    • G-CSF
    • Neupogen
    • r-metHuG-CSF
    • Recombinant Methionyl Human Granulocyte Colony Stimulating Factor
    • rG-CSF
    • Tevagrastim
  • Drug: Ifosfamide
    Given IV
    Other names:
    • Asta Z 4942
    • Asta Z-4942
    • Cyfos
    • Holoxan
    • Holoxane
    • Ifex
    • IFO
    • IFO-Cell
    • Ifolem
    • Ifomida
    • Ifomide
    • Ifosfamidum
    • Ifoxan
    • IFX
    • Iphosphamid
    • Iphosphamide
    • Iso-Endoxan
    • Isoendoxan
    • Isophosphamide
    • Mitoxana
    • MJF 9325
    • MJF-9325
    • Naxamide
    • Seromida
    • Tronoxal
    • Z 4942
    • Z-4942
  • Drug: Imatinib Mesylate
    Given PO
    Other names:
    • CGP 57148
    • CGP57148B
    • Gleevec
    • Glivec
    • STI 571
    • STI-571
    • STI571
  • Other: Laboratory Biomarker Analysis
    Correlative studies
  • Drug: Leucovorin Calcium
    Given PO or IV
    Other names:
    • Adinepar
    • Calcifolin
    • Calcium (6S)-Folinate
    • Calcium Folinate
    • Calcium Leucovorin
    • Calfolex
    • Calinat
    • Cehafolin
    • Citofolin
    • Citrec
    • citrovorum factor
    • Cromatonbic Folinico
    • Dalisol
    • Disintox
    • Divical
    • Ecofol
    • Emovis
    • Factor, Citrovorum
    • Flynoken A
    • Folaren
    • Folaxin
    • FOLI-cell
    • Foliben
    • Folidan
    • Folidar
    • Folinac
    • Folinate Calcium
    • folinic acid
    • Folinic Acid Calcium Salt Pentahydrate
    • Folinoral
    • Folinvit
    • Foliplus
    • Folix
    • Imo
    • Lederfolat
    • Lederfolin
    • Leucosar
    • leucovorin
    • Rescufolin
    • Rescuvolin
    • Tonofolin
    • Wellcovorin
  • Drug: Mercaptopurine
    Given PO
    Other names:
    • 3H-Purine-6-thiol
    • 6 MP
    • 6 Thiohypoxanthine
    • 6 Thiopurine
    • 6-Mercaptopurine
    • 6-Mercaptopurine Monohydrate
    • 6-MP
    • 6-Purinethiol
    • 6-Thiopurine
    • 6-Thioxopurine
    • 6H-Purine-6-thione, 1,7-dihydro- (9CI)
    • 7-Mercapto-1,3,4,6-tetrazaindene
    • Alti-Mercaptopurine
    • Azathiopurine
    • BW 57-323H
    • Flocofil
    • Ismipur
    • Leukerin
    • Leupurin
    • Mercaleukim
    • Mercaleukin
    • Mercaptina
    • Mercaptopurinum
    • Mercapurin
    • Mern
    • NCI-C04886
    • Puri-Nethol
    • Purimethol
    • Purine, 6-mercapto-
    • Purine-6-thiol (8CI)
    • Purine-6-thiol, monohydrate
    • Purinethiol
    • Purinethol
    • U-4748
    • WR-2785
  • Drug: Mercaptopurine
    Given PO
    Other names:
    • 3H-Purine-6-thiol
    • 6 MP
    • 6 Thiohypoxanthine
    • 6 Thiopurine
    • 6-Mercaptopurine
    • 6-Mercaptopurine Monohydrate
    • 6-MP
    • 6-Purinethiol
    • 6-Thiopurine
    • 6-Thioxopurine
    • 6H-Purine-6-thione, 1,7-dihydro- (9CI)
    • 7-Mercapto-1,3,4,6-tetrazaindene
    • Alti-Mercaptopurine
    • Azathiopurine
    • BW 57-323H
    • Flocofil
    • Ismipur
    • Leukerin
    • Leupurin
    • Mercaleukim
    • Mercaleukin
    • Mercaptina
    • Mercaptopurinum
    • Mercapurin
    • Mern
    • NCI-C04886
    • Puri-Nethol
    • Purimethol
    • Purine, 6-mercapto-
    • Purine-6-thiol (8CI)
    • Purine-6-thiol, monohydrate
    • Purinethiol
    • Purinethol
    • U-4748
    • WR-2785
  • Drug: Methotrexate
    Given IT
    Other names:
    • Abitrexate
    • Alpha-Methopterin
    • Amethopterin
    • Brimexate
    • CL 14377
    • CL-14377
    • Emtexate
    • Emthexat
    • Emthexate
    • Farmitrexat
    • Fauldexato
    • Folex
    • Folex PFS
    • Lantarel
    • Ledertrexate
    • Lumexon
    • Maxtrex
    • Medsatrexate
    • Metex
    • Methoblastin
    • Methotrexate LPF
    • Methotrexate Methylaminopterin
    • Methotrexatum
    • Metotrexato
    • Metrotex
    • Mexate
    • Mexate-AQ
    • MTX
    • Novatrex
    • Rheumatrex
    • Texate
    • Tremetex
    • Trexeron
    • Trixilem
    • WR-19039
  • Drug: Methylprednisolone
    Given IV
    Other names:
    • Adlone
    • Caberdelta M
    • DepMedalone
    • Depo Moderin
    • Depo-Nisolone
    • Duralone
    • Emmetipi
    • Esametone
    • Firmacort
    • Medlone 21
    • Medrate
    • Medrol
    • Medrol Veriderm
    • Medrone
    • Mega-Star
    • Meprolone
    • Methylprednisolonum
    • Metilbetasone Solubile
    • Metrocort
    • Metypresol
    • Metysolon
    • Predni-M-Tablinen
    • Prednilen
    • Radilem
    • Sieropresol
    • Solpredone
    • Summicort
    • Urbason
    • Veriderm Medrol
    • Wyacort
  • Drug: Pegaspargase
    Given IV
    Other names:
    • L-Asparaginase with Polyethylene Glycol
    • Oncaspar
    • Oncaspar-IV
    • PEG-asparaginase
    • PEG-L-Asparaginase
    • PEG-L-Asparaginase (Enzon - Kyowa Hakko)
    • PEGLA
    • Polyethylene Glycol L-Asparaginase
    • Polyethylene Glycol-L-Asparaginase
  • Drug: Prednisolone
    Given PO
    Other names:
    • (11beta)-11,17,21-Trihydroxypregna-1,4-diene-3,20-dione
    • .delta.1-Hydrocortisone
    • Adnisolone
    • Aprednislon
    • Capsoid
    • Cortalone
    • Cortisolone
    • Dacortin H
    • Decaprednil
    • Decortin H
    • Delta(1)Hydrocortisone
    • Delta- Cortef
    • Delta-Cortef
    • Delta-Diona
    • Delta-F
    • Delta-Phoricol
    • Delta1-dehydro-hydrocortisone
    • Deltacortril
    • Deltahydrocortisone
    • Deltasolone
    • Deltidrosol
    • Dhasolone
    • Di-Adreson-F
    • Dontisolon D
    • Estilsona
    • Fisopred
    • Frisolona
    • Gupisone
    • Hostacortin H
    • Hydeltra
    • Hydeltrasol
    • Klismacort
    • Kuhlprednon
    • Lenisolone
    • Lepi-Cortinolo
    • Linola-H N
    • Linola-H-Fett N
    • Longiprednil
    • Metacortandralone
    • Meti Derm
    • Meticortelone
    • Opredsone
    • Panafcortelone
    • Precortisyl
    • Pred-Clysma
    • Predeltilone
    • Predni-Coelin
    • Predni-Helvacort
    • Prednicortelone
    • Prednisolonum
    • Prelone
    • Prenilone
    • Sterane
  • Other: Questionnaire Administration
    Ancillary studies
  • Drug: Therapeutic Hydrocortisone
    Given IT
    Other names:
    • Aeroseb-HC
    • Barseb HC
    • Barseb-HC
    • Cetacort
    • Cort-Dome
    • Cortef
    • Cortenema
    • Cortifan
    • Cortisol
    • Cortispray
    • Cortril
    • Dermacort
    • Domolene
    • Eldecort
    • Hautosone
    • Heb-Cort
    • Hydrocortisone
    • Hydrocortone
    • Hytone
    • Komed-HC
    • Nutracort
    • Proctocort
    • Rectoid
  • Drug: Thioguanine
    Given PO
    Other names:
    • 2-Amino 6MP
    • 2-Amino-1,7-dihydro-6H-purine-6-thione
    • 2-Amino-6-mercaptopurine
    • 2-Amino-6-purinethiol
    • 2-Aminopurin-6-thiol
    • 2-Aminopurine-6(1H)-thione
    • 2-Aminopurine-6-thiol
    • 2-Aminopurine-6-thiol Hemihydrate
    • 2-Mercapto-6-aminopurine
    • 6-Amino-2-mercaptopurine
    • 6-Mercapto-2-aminopurine
    • 6-Mercaptoguanine
    • 6-TG
    • 6H-Purine-6-thione, 2-amino-1,7-dihydro- (9CI)
    • BW 5071
    • Lanvis
    • Tabloid
    • Thioguanine Hemihydrate
    • Thioguanine Hydrate
    • Tioguanin
    • Tioguanine
    • Wellcome U3B
    • WR-1141
    • X 27
  • Drug: Vincristine Sulfate
    Given IV
    Other names:
    • Kyocristine
    • Leurocristine sulfate
    • Leurocristine, sulfate
    • Oncovin
    • Vincasar
    • Vincosid
    • Vincrex
    • Vincristine, sulfate

Recruiting Locations

University of Texas Health Science Center at San Antonio
San Antonio, Texas 78229
Contact:
Site Public Contact
210-450-3800
phoresearchoffice@uthscsa.edu

More Details

Status
Recruiting
Sponsor
Children's Oncology Group

Study Contact

Detailed Description

PRIMARY OBJECTIVE: I. To compare disease-free survival (DFS) of standard risk pediatric Philadelphia chromosome (Ph)+ acute lymphoblastic leukemia (ALL) treated with continuous imatinib mesylate (imatinib) combined with either a high-risk Children's Oncology Group (COG) ALL chemotherapy backbone or the more intensive European (Es)PhALL chemotherapy backbone. SECONDARY OBJECTIVES: I. To determine the feasibility of administration of imatinib after allogeneic hematopoietic stem cell transplantation (HSCT) in high risk Ph+ ALL patients. II. To determine event-free survival (EFS) of high risk pediatric Ph+ ALL patients treated with EsPhALL chemotherapy, HSCT in first complete remission and post-HSCT imatinib. III. To compare rates of grade 3 or higher infections in standard risk (SR) Ph+ ALL patients between the two randomized arms. IV. To evaluate event free survival (EFS) and overall survival (OS) of all enrolled participants. V. To evaluate OS in SR patients. VI. To evaluate OS in high risk (HR) patients. EXPLORATORY OBJECTIVES: I. To describe the toxicities associated with post-HSCT administration of imatinib. II. To evaluate the long-term toxicities in SR patients treated with chemotherapy plus imatinib (no transplant), overall and between both randomized arms. III. To determine prognostic significance of minimal residual disease (MRD) in Ph+ ALL at various time points during therapy. IV. To evaluate MRD in HR patients just prior to HSCT and then at regular intervals post-HSCT and explore the association of these measurements with long-term outcome. V. To evaluate concordance of MRD assessments made by IGH-T cell receptor (TCR) polymerase chain reaction (PCR) assay and next generation sequencing (NGS) assays. VI. To determine prognostic significance of IKZF1 gene aberrations and deletions. VII. To determine frequency and prognostic significance of p190 and p210 BCR-ABL1 fusion variants in pediatric Ph+ ALL. VIII. To measure adherence to oral chemotherapeutic agents (imatinib, 6-mercaptopurine, and methotrexate) during the maintenance phase in SR Ph+ ALL patients. IX. To identify factors associated with poor adherence. X. To determine association between relapse risk and adherence to each oral chemotherapeutic agent (separately and combined). XI. To measure adherence to imatinib after allogeneic HSCT in HR Ph+ ALL patients and identify factors associated with poor adherence. OUTLINE: INDUCTION IA PART 1: Patients receive induction IA according to standard of care on days 1-14. INDUCTION IA PART 2: Patients receive imatinib mesylate orally (PO) once daily (QD) or twice daily (BID) on days 15-33, prednisolone PO twice daily (BID) or methylprednisolone intravenously (IV) on days 15-28, vincristine sulfate IV over 1 minute on days 15 and 22, daunorubicin hydrochloride IV over 1-15 minutes on days 15 and 22, and methotrexate intrathecally (IT) on day 29. INDUCTION IB: Patients receive imatinib mesylate PO QD or BID on days 1-35, cyclophosphamide IV over 30-60 minutes on days 1 and 28, mercaptopurine PO on days 1-28, cytarabine IV or subcutaneously (SC) on days 1-4, 8-11, 15-18, and 22-25, and methotrexate IT on days 8 and 22. POST-INDUCTION THERAPY: Patients with standard risk are randomized to 1 of 2 arms. Patients with high risk are assigned to Arm C. ARM A: CONSOLIDATION BLOCK 1: Patients receive imatinib mesylate PO QD or BID on days 1-21, methotrexate IT, cytarabine IT, and therapeutic hydrocortisone IT on day 1, high dose methotrexate IV over 24 hours on day 1, vincristine sulfate IV over 1 minute on days 1 and 6, dexamethasone PO BID or IV on days 1-5, cyclophosphamide IV over 30-60 minutes on days 2-4, leucovorin calcium PO or IV on days 3 and 4, high dose cytarabine IV over 3 hours and pegaspargase IV over 1-2 hours or intramuscularly (IM) on day 5, and filgrastim SC on days 7-11 in the absence of disease progression or unexpected toxicity. CONSOLIDATION BLOCK 2: Patients receive imatinib mesylate PO QD or BID on days 1-21, methotrexate IT, cytarabine IT, and therapeutic hydrocortisone IT on day 1, high dose methotrexate IV over 24 hours on day 1, dexamethasone PO BID or IV on days 1-5, vincristine sulfate IV over 1 minute on days 1 and 6, ifosfamide IV over 1 hour on days 2-4, leucovorin calcium PO or IV on days 3 and 4, dexrazoxane hydrochloride IV over 5-15 minutes and daunorubicin hydrochloride IV over 1-15 minutes on day 5, pegaspargase IV over 1-2 hours or IM on day 6, and filgrastim SC on days 7-11 in the absence of disease progression or unexpected toxicity. CONSOLIDATION BLOCK 3: Patients receive imatinib mesylate PO QD or BID on days 1-21, high dose cytarabine IV over 3 hours on days 1-2, dexamethasone PO BID or IV on days 1-5, etoposide IV over 1-2 hours on days 3-5, methotrexate IT, cytarabine IT, and therapeutic hydrocortisone IT on day 5, pegaspargase IV over 1-2 hours or IM on day 6, and filgrastim SC on days 7-11 in the absence of disease progression or unexpected toxicity. DELAYED INTENSIFICATION 1 PART 1: Patients receive imatinib mesylate PO QD or BID on days 1-35, methotrexate IT on day 1, dexamethasone PO BID or IV on days 1-7 and 15-21, vincristine sulfate IV over 1 minute, dexrazoxane hydrochloride IV over 5-15 minutes, and doxorubicin IV over 1-15 minutes on days 8, 15, 22, and 29, and pegaspargase IV over 1-2 hours or IM on day 8 in the absence of disease progression or unexpected toxicity. DELAYED INTENSIFICATION 1 PART 2: Patients receive imatinib mesylate PO QD on days 36-63, cyclophosphamide IV over 30-60 minutes on day 36, thioguanine PO on days 36-49, cytarabine IV over 1-30 minutes or SC on days 36-39 and 43-46, and methotrexate IT on days 36 and 43 in the absence of disease progression or unexpected toxicity. INTERIM MAINTENANCE: Patients receive imatinib mesylate PO QD or BID on days 1-28, methotrexate PO on days 1, 8, 15, and 22, and mercaptopurine PO on days 1-28 in the absence of disease progression or unexpected toxicity. DELAYED INTENSIFICATION 2 PART 1: Patients receive imatinib mesylate PO QD or BID on days 1-35, methotrexate IT on day 1, dexamethasone PO BID or IV on days 1-7 and 15-21, vincristine sulfate IV over 1 minute, dexrazoxane hydrochloride IV over 5-15 minutes, and doxorubicin IV over 1-15 minutes on days 8, 15, 22, and 29, and pegaspargase IV over 1-2 hours or IM on day 8 in the absence of disease progression or unexpected toxicity. DELAYED INTENSIFICATION 2 PART 2: Patients receive imatinib mesylate PO QD on days 36-49, cyclophosphamide IV over 30-60 minutes on day 36, thioguanine PO on days 36-49, cytarabine IV over 1-30 minutes or SC on days 36-39 and 43-46, and methotrexate IT on days 36 and 43 in the absence of disease progression or unexpected toxicity. MAINTENANCE: Patients receive imatinib mesylate PO QD or BID on days 1-84, methotrexate PO once weekly (QW) and IT on days 1 and 43 of cycles 1, 2, and 3, and mercaptopurine PO on days 1-84. Cycles with imatinib mesylate and mercaptopurine repeat every 84 days for up to 104 weeks from the start of Induction IA in the absence of disease progression or unexpected toxicity. ARM B: INTERIM MAINTENANCE: Patients receive imatinib mesylate PO QD or BID on days 1-63, vincristine sulfate IV over 1 minute and high dose methotrexate IV over 24 hours on days 1, 15, 29, and 43, leucovorin calcium PO or IV on days 3-4, 17-18, 31-32, and 45-46, mercaptopurine PO on days 1-56, and methotrexate IT on days 1 and 29 in the absence of disease progression or unexpected toxicity. DELAYED INTENSIFICATION PART 1: Patients receive imatinib mesylate PO QD or BID on days 1-28, methotrexate IT on day 1, dexamethasone PO BID or IV on days 1-7 and 15-21, vincristine sulfate IV over 1 minute, dexrazoxane hydrochloride IV over 5-15 minutes, and doxorubicin IV over 1-15 minutes on days 1, 8, and 15, and pegaspargase IV over 1-2 hours or IM on day 4 in the absence of disease progression or unexpected toxicity. DELAYED INTENSIFICATION PART 2: Patients receive imatinib mesylate PO QD on days 29-56, cyclophosphamide IV over 30-60 minutes on day 29, thioguanine PO on days 29-42, cytarabine IV over 1-30 minutes or SC on days 29-32 and 36-39, methotrexate IT on days 29 and 36, vincristine sulfate IV over 1 minute on days 43 and 50, and pegaspargase IV over 1-2 hours or IM on day 43 in the absence of disease progression or unexpected toxicity. INTERIM MAINTENANCE WITH CAPIZZI METHOTREXATE: Patients receive imatinib mesylate PO QD or BID on days 1-56, vincristine sulfate IV over 1 minute and methotrexate IV over 2-15 minutes on days 1, 11, 21, 31, and 41, methotrexate IT on days 1 and 31, and pegaspargase IV over 1-2 hours or IM on days 2 and 22 in the absence of disease progression or unexpected toxicity. MAINTENANCE: Patients receive imatinib mesylate PO QD or BID on days 1-84, vincristine sulfate IV over 1 minute on days 1, 29, and 57, prednisolone PO BID (or methylprednisolone IV for cycle 1 and 2) on days 1-5, 29-33, and 57-61, mercaptopurine PO on days 1-84, methotrexate PO QW, and methotrexate IT on day 1 (and day 29 for cycle 1 and 2). Cycles repeat every 84 days for up to 104 weeks from the start of Induction IA in the absence of disease progression or unexpected toxicity. ARM C: CONSOLIDATION BLOCK 1: Patients receive imatinib mesylate, methotrexate, cytarabine, therapeutic hydrocortisone, high dose methotrexate, vincristine sulfate, dexamethasone, leucovorin calcium, high dose cytarabine, and pegaspargase as in Arm A Consolidation Block 1, and filgrastim SC on day 7 in the absence of disease progression or unexpected toxicity. CONSOLIDATION BLOCK 2: Patients receive imatinib mesylate, methotrexate, cytarabine, therapeutic hydrocortisone, high dose methotrexate, dexamethasone, vincristine sulfate, ifosfamide, leucovorin calcium, dexrazoxane hydrochloride, daunorubicin hydrochloride, pegaspargase, and filgrastim as Arm A Consolidation Block 2 in the absence of disease progression or unexpected toxicity. CONSOLIDATION BLOCK 3: Patients receive imatinib mesylate, dexamethasone, etoposide, methotrexate, cytarabine, therapeutic hydrocortisone, pegaspargase, and filgrastim as in Arm A Consolidation Block 3, and high dose cytarabine IV over 3 hours on days 1-2 in the absence of disease progression or unexpected toxicity. HSCT: Patients undergo HSCT on day 0. Patients who do not proceed to HSCT receive Delayed Intensification 1, Interim Maintenance, Delayed Intensification 2, and Maintenance as in Arm A. POST-HSCT: Patients receive imatinib mesylate PO QD or BID starting on days 56-365 in the in the absence of disease progression or unexpected toxicity. After completion of study treatment, patients are followed up every year for 3 years.

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