The main objective of this study is to evaluate the efficacy of an active drug in combination with azacitidine to improve Relapse Free Survival (RFS) in AML patients compared to Best Supportive Care (BSC) when given as maintenance therapy following allogeneic stem cell transplantation (SCT).
This study will have 2 parts: Part 1 (Dose Confirmation), which may include participants who are greater than or equal to 18 years old; Part 2 (Randomization) which may include participants who are greater than or equal to 12 years old. During Part 1, recommended Phase 3 dose of an active drug in combination with azacitidine will be determined and during Part 2, the efficacy and safety of an active drug with azacitidine (Part 2 Arm A) will be compared with
BSC (Part 2 Arm B).
12 Years and older.
- Participants must be at least 18 years old for Part 1 and, at least 12 years old for
- Participant must be diagnosed with Acute Myeloid Leukemia (AML) by World Health
Organization (WHO) criteria (2017) and either be planning for allogeneic stem cell
transplantation or have received allogeneic stem cell transplantation within the past
- Blast percentage in bone marrow before transplant must be < 10%.
- Blast count in peripheral blood must be "0" and Blast percentage in bone marrow must
be < 5% after transplant.
- Participant meet adequate renal, hepatic and hematologic criteria as described in the
- Participants >= 17 years old must have a Karnofsky Performance Scale (KPS) score > 50
and participants between 12 to 16 years old must have a Lansky Play Performance Scale
score > 40.
- History of disease progression during prior treatment with venetoclax.
- History of any other malignancy within 2 years prior to study entry, except for:
Adequately treated in situ carcinoma of the cervix uteri or carcinoma in situ of
breast; basal cell carcinoma of the skin or localized squamous cell carcinoma of the
skin; previous malignancy confined and surgically resected (or treated with other
modalities) with curative intent; Myelodysplastic Syndrome, Myeloproliferative
neoplasm (only allowed if it transformed to AML and AML should be the indication for
- Participant has known infection with HIV or history of being positive for hepatitis B
virus (HBV) or hepatitis C virus (HCV) infection.
- Presence of clinical or laboratory symptoms/signs of extramedullary myeloid