Kyung Taek Hong

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Busulfan is a cytotoxic agent used in preconditioning for hematopoietic stem cell transplantation. Therapeutic drug monitoring of busulfan is necessary owing to its narrow therapeutic range. Patients undergoing preconditioning are susceptible to infection and might require coadministration of antibiotics. We present a case study of a 3-year-old girl with(More)
Hematopoietic stem cell transplantation (HSCT) is a curative therapy for severe aplastic anemia (SAA); however, the optimal conditioning regimen for HSCT with an unrelated donor has not yet been defined. A previous study using a fludarabine (FLU), cyclophosphamide (Cy), and antithymocyte globulin (ATG) conditioning regimen (study A: 50 mg/kg Cy once daily(More)
Dong Woo Shin, M.D., Si Nae Park, M.S., Sung-Min Kim, B.S., Kyongok Im, M.T., Jung-Ah Kim, M.D., Kyung Taek Hong, M.D. , Jung Yoon Choi, M.D. , Che Ry Hong, M.D. , Kyung Duk Park, M.D. , Hee Young Shin, M.D. , Hyoung Jin Kang, M.D. , Hyun Kyung Kim, M.D., and Dong Soon Lee, M.D. Department of Laboratory Medicine, Seoul National University College of(More)
Therapy-related acute myeloid leukemia (t-AML) has a dismal prognosis and is one of the most frequent second malignant neoplasms which could be encountered by pediatric oncologists. Between October 2000 and September 2016, 16 patients who had primary solid tumors were diagnosed with t-AML at the Seoul National University Children's Hospital. The median(More)
Peripheral blood stem cell (PBSC) mobilization, which uses plerixafor (AMD 3100), a newly developed specific inhibitor of the CXCR4 receptor, in combination with granulocyte-colony stimulating factor(G-CSF), has been shown to enhance the stem cell mobilization in adult patients, but pediatric data are scarce. We documented our experience with this drug in 6(More)
STAT4 polymorphism, rs7574865 is linked to various autoimmune diseases such as systemic lupus erythematosus and rheumatoid arthritis. Its T minor allele is associated with higher STAT4 mRNA and protein expression, indicating a stronger skewed immune response than the norm. Although widely studied in autoimmune disease patients and the general population,(More)
Malignant peripheral nerve sheath tumors are rare tumors that originate from Schwann cells. Patients with neurofibromatosis type 1 are prone to develop these tumors. Due to their rarity and lack of established treatment, the prognosis of malignant peripheral nerve sheath tumors is poor. A retrospective study was conducted on children treated for malignant(More)
Busulfan, a bifunctional alkylating agent, has been used as a conditioning regimen prior to allogeneic hematopoietic stem cell transplantation (HSCT). The aim of this study was to derive a novel once-daily intravenous (IV) busulfan dosing nomogram for pediatric patients undergoing HSCT using a population pharmacokinetic (PK) model. A population PK analysis(More)
Owing to its narrow therapeutic range and high pharmacokinetic variability, optimal dosing for busulfan is important to minimise overexposure-related systemic toxicity and underexposure-related graft failure. Using global metabolomics, we investigated biomarkers for predicting busulfan exposure. We analysed urine samples obtained before busulfan(More)
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