A Pivotal Registrational Phase 3 Study of Olverembatinib Combined With Chemotherapy Versus Investigator's Choice of TKI Combined With Chemotherapy in Patients With Newly Diagnosed Ph+ ALL

Inclusion Criteria: 1. Newly diagnosed Philadelphia chromosome-positive (Ph+) Acute Lymphoblastic Leukemia (ALL) 2. Expected survival of at least 3 months 3. ECOG ≤ 2 4. Adequate organ function Exclusion Criteria: 1. A history of chronic myeloid leukemia (CML) 2. Clinical manifestations of central nervous system (CNS) leukemia or ALL extramedullary infiltration, except lymphadenopathy or hepatosplenomegaly 3. Previous or current clinical CNS diseases 4. Autoimmune diseases that may involve the CNS 5. Use of therapeutic doses of anticoagulants and/or antiplatelet agents; low doses of anticoagulants or antiplatelet agents are allowed 6. Use a therapeutic drug that has drug interaction with the investigational drug due to other diseases within 7 days or within 5 half-lives (whichever is shorter) prior to the first receipt of the investigational drug 7. Uncontrolled heart diseases 8. Any venous thromboembolism in the 6 months prior to randomization, including but not limited to deep vein thrombosis (DVT) or pulmonary embolism 9. Use of prohibited drugs 10. Disease or medical condition that is unstable or may affect its safety or compliance with the study 11. Use of medications known to cause prolonged QT interval 12. Active infections requiring systemic treatment 13. Disease that severely affects the oral administration and absorption of drugs, or an active gastrointestinal ulcer 14. Contraindications to the use of glucocorticoids 15. Bleeding disorders unrelated to ALL 16. Plan to undergo major surgery 17. Allergy to drug ingredients, excipients, or their analogues in the study 18. Female subjects who are pregnant or breastfeeding or expect to become pregnant during the study period 19. Other malignant tumors within 2 years 20. Any symptom or illness that may interfere with the evaluation of the efficacy and safety of the investigational drug, or any other condition or condition that is not appropriate for participation in the study