A Bioequivalence Study of (Cytarabine: Daunorubicin) Liposome for Injection

Inclusion Criteria:

1. Able to understand the study and voluntarily sign informed consent.
2. Male or female between 55-75 years of age (inclusive).
3. Subjects diagnosed with acute myeloid leukemia according to "The 2016 revision to theWorld Health Organization classification of myeloid neoplasms and acute leukemia" whohaven't been treated or who have achieved complete remission (CR) or completeremission with incomplete blood count recovery (CRi) after preceding inductiontherapy.
4. Eastern Cooperative Oncology Group (ECOG) performance status 0-1.
5. Adequate hematopoietic, renal and liver function.
6. Cardiac function (LVEF) ≥ 50% and QTcF (Fridericia's) for male<450 ms, for female<470ms at screening.
7. Women of childbearing potential should agree to use contraceptive measures (such asIUD, contraceptive or condom) during the study and within 6 months after the end ofthe study.

Exclusion Criteria:

1. Subjects who are diagnosed as acute promyelocytic leukemia.
2. Subjects with clinical evidence of active CNS leukemia.
3. Subjects with any other active malignancy expect for those have been cured (basal cellcarcinoma, superficial bladder cancer, cervical cancer in situ, carcinoma in situ ofbreast or prostate cancer with Gleason score <6).
4. For subjects with induction remission who go directly to randomisation, theirantitumour drug elution is required prior to the first dose in the consolidation phasefor a minimum of 5 half-lives or 4 weeks, whichever is shorter.
5. Subjects with a history of any major surgery or radiation therapy within 4 weeks priorto the first dose.
6. Subjects with active cardiovascular disease within 6 months prior to the first dose.
7. Subjects with severe hemorrhagic disorders or diseases may cause spontaneous bleeding.
8. Subjects with active or history of cerebrovascular disease, such as stroke, cerebralhemorrhage within 6 months prior to the first dose.
9. Subjects with severe pulmonary disease within 2 weeks prior to the first dose.
10. Subjects with active or uncontrolled infection.
11. Subjects with previous cumulative exposure to anthracyclines >302 mg/m^2 daunorubicin (or equivalent drug equivalent dose level).
12. Subjects with hypersensitivity to liposomal products.
13. Subjects with a history of Wilson's disease or other copper-metabolism disorder.
14. Subjects with known HIV, hepatitis B or hepatitis C infection.
15. Participation in another clinical trial or treatment with any investigational drugwithin 28 days of study start
16. Female subjects who are pregnant, breast-feeding, or who are likely to become pregnantduring the study.
17. Any subject whom the Investigator believes will not be a good candidate for the study.