Myelodysplastic syndrome/acute myeloid leukemia (MDS/AML), including cases with fatal outcome, reported; discontinue drug if MDS/AML is confirmed May cause bone marrow suppression resulting in hematologic toxicities (eg, thrombocytopenia, anemia, neutropenia); do not initiate until patients have recovered from hematological toxicities caused by previous chemotherapy (grade ≤1); monitor complete blood cell counts weekly for the first month, monthly for the next 11 months of treatment, and periodically after this time (also see Dosage Modifications) Hypertension and hypertensive crisis reported; monitor BP and HR monthly for the first year and periodically thereafter during treatment; medically manage hypertension with antihypertensive medications and niraparib...
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