Autologous Hematopoietic Cell Transplantation for Core-binding Factor Acute Myeloid Leukemia

Inclusion Criteria: * Patients with CBF positive AML in CR1. CBF AML includes t(8;21)(q22;q22) \[AML1(RUNX1)/ETO(CBFα2T1)\], inv(16)(q13q22) (CBFβ/MYH11), t(16;16)(p13;q22) (CBFβ/MYH11) Using RT-PCR, FISH, or standard karyotype analysis technique. * Patients who plan to receive the second cycle of HDAC consolidation chemotherapy. * 15 years old or older and 65 years or younger * Adequate performance status (Karnofsky score of 70 or more). * Adequate hepatic and renal function (AST, ALT, and bilirubin \< 3.0 x upper normal limit, and creatinine \< 2.0 mg/dL). * Adequate cardiac function (left ventricular ejection fraction over 40% on heart scan or echocardiography) * Signed and dated informed consent must be obtained from patient. Exclusion Criteria: * Presence of significant active infection * Presence of uncontrolled bleeding * Any coexisting major illness or organ failure * Patients with psychiatric disorder or mental deficiency severe as to make compliance with the treatment unlike, and making informed consent impossible * Nursing women, pregnant women, women of childbearing potential who do not want adequate contraception * Patients with a diagnosis of prior malignancy unless disease-free for at least 5 years following therapy with curative intent (except curatively treated nonmelanoma skin cancer, in situ carcinoma, or cervical intraepithelial neoplasia)