According to ClinicalTrials.gov, there are two active phase I studies and one phase II study currently recruiting patients dedicated to testing the anticancer potential of PARP inhibitor veliparib in combination with other common chemotherapeutics (carboplatin, topotecan hydrochloride, temozolomide) in various types of leukemia, including AML. This evidence concerns the gene PARP1 and acute myeloid leukemia.