Patients must be instructed to take folic acid & vit B
12 as prophylactic measure to reduce treatment-related hematologic & GI toxicity. Pretreatment w/ dexamethasone (or equiv) reduces incidence & severity of cutaneous reaction. Can cause bone marrow suppression. Not to be administered to patients whose CrCl is <45 mL/min. Caution when co-administering ibuprofen or other NSAIDs to patients w/ mild to moderate renal insufficiency (CrCl 45-79 mL/min). Patients should not begin a new cycle of treatment unless ANC >1,500 cells/mm
3, platelet count >100,000 cells/mm
3, & CrCl >45 mL/min. In patients w/ 3rd space fluid, consider draining the effusion prior to administration. Women of childbearing potential should be advised to avoid becoming pregnant. Can cause fetal harm when administered to a pregnant woman.