
    slow accrual
  
['leukemia', 'precursor-b acute lymphoblastic leukemia', 'lymphoblastic lymphoma', 'lymphoma']
['cytarabine', 'daunorubicin', 'vincristine', 'prednisone', 'peg asparaginase', 'ofatumumab', 'rituximab', 'methotrexate', 'cyclophosphamide', 'mercaptopurine', 'doxorubicin', 'dexamethasone acetate', 'thioguanine']

        Inclusion Criteria:

          1. Patients must have precursor-B lymphoblastic leukemia or lymphoma.

          2. Patients must be untreated or have had only one prior chemotherapy regimen for ALL or
             LL . Previously treated patients will be analyzed separately.

          3. Age between 12 to 30 years old

          4. Patients with central nervous system (CNS) disease or testicular disease are eligible.

          5. Intrathecal therapy with cytarabine is allowed prior to registration for patient
             convenience. This is usually done at the time of the diagnostic bone marrow or venous
             line placement to avoid a second lumbar puncture. Systemic chemotherapy must begin
             within 72 hours of the first intrathecal treatment.

          6. Signed informed consent prior to the start of systemic therapy. In the event of
             enrollment of a minor patient, an attempt to obtain assent from the patient must be
             documented, and parental consent must be signed.

          7. Echocardiogram should be done within 7 days of starting therapy if there are cardiac
             risk factors (e.g., history of hypertension or of myocardial infarction)

          8. Creatinine should be < 3 mg/dL bilirubin < 3 mg/dl unless due to disease

          9. Zubrod Performance status of <3

         10. Patients who received steroids more than 72 hours prior to study enrollment are
             eligible but will be analyzed separately.

         11. Lymphoblasts may have any positive expression of cluster of differentiation antigen 20
             (CD20) for ofatumumab administration.

        Exclusion Criteria:

          1. Age less than twelve years of age or greater than 30 years.

          2. More than one prior treatment regimen for ALL or LL.

          3. The patient is pregnant or unwilling to practice appropriate birth control.

          4. Presence of the Philadelphia chromosome t(9;22)

          5. Laboratory or clinical evidence of active infectious hepatitis.
      