Valproate sodium (VPA) is a short-chain fatty acid that has been used for decades as a traditional classical antiepileptic drug and has been shown to be an HDAC inhibitor (HDACI) [8], which has been shown to regulate tumor cell differentiation and apoptosis in acute myeloid leukemia (AML) cancer [9]. This evidence concerns the gene HDAC9 and acute myeloid leukemia.