Tirofiban
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From MedlinePlus, U.S. National Library of Medicine
Dosing in kidney impairment
Dose Adjustment for Renal Impairment The recommended dosage in patients with CrCl ≤60 mL/min (calculated using the Cockcroft-Gault equation with actual body weight) is 25 mcg/kg intravenously within 5 minutes and then 0.075 mcg/kg/min, for up to 18 hours. The recommended infusion rate for patients with CrCl ≤ 60 mL/min using 100 mL premixed bag or 250 mL premixed bag can be calculated using the following equation: equation-5
Preparation and administration
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Administration For intravenous use only. Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever solution and container permit. To open the 100 mL or 250 mL premixed bag, first tear off its foil overpouch. The plastic may be somewhat opaque because of moisture absorption during sterilization; the opacity will diminish gradually.
Check for leaks by squeezing the inner bag firmly; if any leaks are found or sterility is suspect then the solution should be discarded. Do not use unless the solution is clear and the seal is intact. Administration Instructions Withdraw the bolus dose of AGGRASTAT from the 15 mL premixed bolus vial into a syringe. Alternatively, the bolus dose of AGGRASTAT may be administered from the 100 mL or 250 mL premixed bag.
Do not dilute. Administer the bolus dose within 5 minutes via a syringe or IV pump. For patients ≥ 167 kg, it is recommended that the bolus dose be administered via syringe from the 15 mL premixed bolus vial, to ensure that delivery time does not exceed 5 minutes. Immediately following the bolus dose administration, administer the maintenance infusion from the 100 mL premixed bag or the 250 mL premixed bag via an IV pump.
Discard any unused portion left in the vial or bag. The recommended bolus volume using the 15 mL premixed bolus vial can be calculated using the following equation: The recommended bolus volume using the 100 mL premixed bag or 250 mL premixed bag can be calculated using the following equation: The recommended infusion rate for patients with CrCl (Creatinine Clearance) >60 mL/min using the 100 mL premixed bag or 250 mL premixed bag can be calculated using the following equation: Example calculation of infusion rate for 60 kg patient with CrCl >60 mL/min using the 100 mL premixed bag or 250 mL premixed bag: Drug Compatibilities AGGRASTAT can be administered in the same intravenous line as heparin, atropine sulfate, dobutamine, dopamine, epinephrine hydrochloride (HCl), famotidine injection, furosemide, lidocaine, midazolam HCl, morphine sulfate, nitroglycerin, potassium chloride, and propranolol HCl.
Do not administer AGGRASTAT through the same IV line as diazepam. Do not add other drugs or remove solution directly from the bag with a syringe. equation-1 equation-2 equation-3 equation-4
Drug interactions
Check tirofiban against a medication listLabel text (1 paragraph)
Concomitant use of fibrinolytics, anticoagulants and antiplatelet drugs increases the risk of bleeding. Coadministration of fibrinolytics, anticoagulants and antiplatelet agents, increases the risk of bleeding. ( 7 )
Contraindications
4 CONTRAINDICATIONS AGGRASTAT is contraindicated in patients with: Severe hypersensitivity reaction to AGGRASTAT (i.e., anaphylactic reactions) [see Adverse Reactions ( 6.2 )] . A history of thrombocytopenia following prior exposure to AGGRASTAT [see Adverse Reactions ( 6.1 )] . Active internal bleeding or a history of bleeding diathesis, major surgical procedure or severe physical trauma within the previous month [see Adverse Reactions ( 6.1 ) ]. Known hypersensitivity to any component of AGGRASTAT. ( 4 ) History of thrombocytopenia with prior exposure to AGGRASTAT.
( 4 ) Active internal bleeding, or history of bleeding diathesis, major surgical procedure or severe physical trauma within the previous month. ( 4 )
Pregnancy and lactation
Pregnancy
8.1 Pregnancy Risk Summary While published data cannot definitively establish the absence of risk, available published case reports have not established an association with tirofiban use during pregnancy and major birth defects, miscarriage, or adverse maternal or fetal outcomes. Untreated myocardial infarction can be fatal to the pregnant woman and fetus (see Clinical Considerations). Studies with tirofiban HCl at intravenous doses up to 5 mg/kg/day (about 5 and 13 times the maximum recommended daily human dose for rat and rabbit, respectively, when compared on a body surface area basis) have revealed no harm to the fetus.
The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2–4% and 15–20%, respectively. Clinical Considerations Disease-associated maternal and/or embryo/fetal risk Myocardial infarction is a medical emergency in pregnancy which can be fatal to the pregnant woman and fetus if left untreated. Data Animal Data There was no evidence of maternal or developmental toxicity in any of the studies in Table 5.
Table 5 Developmental Toxicity Studies Type of Study Species Dose/Exposure 5 mg/kg/day is ~5 and 13 times the maximum recommended daily human dose for rat and rabbit, respectively, when compared on a body surface area basis.
Duration/Timing Exposure (1) Range-finding Rat (N=30) 1, 2, 5 mg/kg/day IV (N=10 per group) Once daily from GD 6 through LD 20 (2) Developmental Toxicity Rat (N=66) 1, 2, 5 mg/kg/day IV (N=22 per group) Once daily from GD 6 through GD 20 (3) Developmental Toxicity with Postweaning Evaluation Rat (N=66) 1, 2, 5 mg/kg/day IV (N=22 per group) Once daily from GD 6 through LD 20 (4) Range-finding (non-pregnant) Rabbit (N=21) 1, 2, 5 mg/kg/day IV (N=7 per group) Once daily for 14 days (5) Range-finding (pregnant) Rabbit (N=30) 1, 2, 5 mg/kg/day IV (N=10 per group) Once daily from GD 7 through GD 20 (6) Developmental Toxicity Rabbit (N=60) 1, 2, 5 mg/kg/day (N=20 per group) IV Once daily from GD 7 through GD 20
Lactation
8.2 Lactation Risk Summary There is no data on the presence of tirofiban in human milk, the effects of the drug on the breastfed infant, or the effects of the drug on human milk production. However, tirofiban is present in rat milk. The developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for AGGRASTAT and any potential adverse effects on the breastfed child from AGGRASTAT or from the underlying maternal condition.
For breastfeeding, also see LactMed (National Library of Medicine), which summarizes milk levels and infant effects.
Supply and cost
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Recalls (last 24 months)
Therapeutic equivalence (Orange Book)
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