This phase II trial studies how well autologous stem cell transplant works in treating patients with favorable or intermediate risk, minimal residual disease (MRD)-negative, acute myeloid leukemia. Giving chemotherapy before a peripheral blood stem cell transplant helps kill any cancer cells that are in the body. After treatment, stem cells are collected from the patient's blood and stored. Higher dose chemotherapy is then given to prepare the bone marrow for the stem cell transplant. The stem cells are then returned to the patient to replace the blood-forming cells that were destroyed by the chemotherapy.
PRIMARY OBJECTIVES: I. Assess the estimated probability of relapse at 2 years after autologous peripheral blood stem cell (PBSC) transplant. SECONDARY OBJECTIVES: I. Estimate the probability of transplant-related mortality (TRM) at 100 days following autologous stem cell transplant (ASCT). II. Estimate probabilities of overall and disease-free survival. III. Assess if biological and molecular correlative studies can predict better outcome. OUTLINE: Patients receive targeted busulfan intravenously (IV) or oral (PO) every 6 hours on days -7 to -4 and etoposide IV on day -3. Patients then undergo autologous stem cell transplant on day 0. After completion of study treatment, patients are followed up yearly for 2 years.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Fred Hutch/University of Washington Cancer Consortium
Seattle, Washington, United States
Relapse
Proportion of patients who relapse, as defined by 2017 National Comprehensive Cancer Network (NCCN ) Acute Myeloid Leukemia (AML) guidelines.
Time frame: Assessed up to 2 years post autologous stem cell transplant (ASCT)
Treatment related mortality
Number of deaths without a prior relapse (unrelated to disease)
Time frame: From first dose of study therapy to day +100
Disease-free survival
Proportion of patients living without relapse
Time frame: Assessed up to 4 years post-ASCT
Overall survival
Proportion of patients living with or without relapse
Time frame: Assessed up to 4 years post-ASCT
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Correlative studies