Icatibant
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From MedlinePlus, U.S. National Library of Medicine
Dosing in kidney impairment
Renal Impairment Although a formal renal impairment study has not been conducted, 10 of 37 patients treated with FIRAZYR had hepatorenal syndrome with glomerular filtration rate (GFR) below 60 mL/min. FIRAZYR is cleared non-renally and hence it is not expected to show any change in systemic exposure in patients with impaired renal function.
No dose adjustment is required in patients with renal impairment [see Clinical Pharmacology ] .
Dosing in liver impairment
Hepatic Impairment FIRAZYR was studied in patients with mild to moderate (Child Pugh scores of 5 to 8) hepatic impairment. No change in systemic exposure is noted in these patient populations. No dose adjustment is required in patients with hepatic impairment [see Clinical Pharmacology ] .
Preparation and administration
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Administration Instructions FIRAZYR should be inspected visually for particulate matter and discoloration prior to administration. The drug solution should be clear and colorless. Do not administer if the product contains particulates or is discolored. Attach the provided 25 gauge needle to the syringe hub and screw on securely.
Do not use a different needle. Disinfect the injection site and administer FIRAZYR by subcutaneous injection over at least 30 seconds. Patients may self-administer FIRAZYR upon recognition of symptoms of an HAE attack after training under the guidance of a healthcare professional [see Patient Counseling Information ] .
Drug interactions
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7 DRUG INTERACTIONS
7.1 ACE Inhibitors FIRAZYR is a bradykinin B2 receptor antagonist and thereby has the potential to have a pharmacodynamic interaction with ACE inhibitors where FIRAZYR may attenuate the antihypertensive effect of ACE inhibitors. Clinical trials to date have excluded subjects taking ACE inhibitors.
Contraindications
None. None ( 4 )
Pregnancy and lactation
Pregnancy
8.1 Pregnancy Risk Summary Available data from published literature and the pharmacovigilance database with Firazyr (icatibant) use in pregnant women have not identified a drug-associated risk of major birth defects, miscarriage or adverse maternal or fetal outcomes. In animal reproduction studies, icatibant, administered by the subcutaneous route during the period of organogenesis, did not cause structural abnormalities in rats or rabbits; however, premature birth and abortion were observed in rabbits at doses approximately 0.025 times the maximum recommended human dose (MRHD) and higher.
Decreased embryofetal survival was observed in rabbits at a subcutaneous dose that was 13 times the MRHD. In a pre- and post-natal development study in rats, delayed parturition was observed at subcutaneous doses 0.5 times the MRHD and higher, which resulted in deaths of dams at doses 2 times the MRHD and higher. Fetal death and early pup deaths were observed with doses 2 times the MRHD ( see Data ). 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% to 4% and 15% to 20%, respectively. Data Animal Data In an embryo-fetal development study with rats that received icatibant from gestation days 7 to 18, there was no evidence of any treatment-related structural abnormalities or effects on embryo-fetal survival with maternal doses up to 2.7 times the MRHD (on a mg/m 2 basis with maternal subcutaneous doses up to 25 mg/kg/day).
In a fertility and early embryonic development study with rats, icatibant increased pre-implantation loss at a dose that was 7 times the MRHD (on an AUC basis at a maternal dose of 10 mg/kg/day). In an embryo-fetal development study with rabbits that received icatibant from gestation days 7 to 18, premature birth and abortion rates increased at doses approximately 0.025 times the MRHD and higher (on a mg/m 2 basis at maternal subcutaneous doses of 0.1 mg/kg and higher).
Icatibant treatment resulted in dose-related decreases of total implantations and total number of live fetuses as well as dose-related increases of percent pre-implantation loss at a dose that was 13 times the MRHD (on an AUC basis with a maternal subcutaneous dose of 10 mg/kg/day). There was no evidence of any treatment-related structural abnormalities with maternal doses up to 13 times the MRHD…
For breastfeeding, also see LactMed (National Library of Medicine), which summarizes milk levels and infant effects.
Supply and cost
Drug shortage status
Recalls (last 24 months)
Therapeutic equivalence (Orange Book)
Price ladder
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