RecruitingPhase 2Drug trialALL Backbone in AYAsThe goal of this research study is to evaluate a chemotherapy regiment for the treatment of newly diagnosed Philadelphia chromosome-negative acute lymphoblastic leukemia (ALL) in adolescents and young adults (AYAs). The names of the study drugs involved in this study are: * blinatumomab (a type of immunotherapy drug) * cyclophosphamide (a type of chemotherapy drug) * cytarabine (a type of antineoplastic agent) * dexamethasone (a type of synthetic glucocorticoid) * doxorubicin (a type of antineoplastic agent) * etoposide (a type of antineoplastic agent) * mercaptopurine (a type of antineoplastic agent) * methotrexate (a type of chemotherapy drug) * pegaspargase (a type of antineoplastic agent) * vincristine (a type of antineoplastic agent)