Dr. Takuro Nishikawa currently works as an Associate Professor at the Department of Pediatrics, Graduate School of Medical and Dental Sciences, Kagoshima University, Japan. He graduated from Kagoshima University in 2010 with a Ph.D. in medicine. He began his career as an Assistant Professor at the Kagoshima University in 2012. His research interests are (1) benzene carcinogenesis; (2) establishment of safety of hematopoietic stem cell transplant pretreatment using busulfan (BU) dose adjustment based on blood concentration measurement and glutathione S-transferase (GST) gene polymorphism; (3) cyclophosphamide (CY) and establishing the safety of hematopoietic stem cell transplant pretreatment using metabolite measurement and cytochrome P450 (CYP) gene polymorphisms; (4) prevention of cardiotoxicity of cyclophosphamide; (5) post-transplant cyclophosphamide treatment for pediatric refractory leukemia development of HLA half-matched transplantation method between blood relatives.