ICATIBANT- icatibant acetate injection, solution
Icatibant injection is indicated for the treatment of acute attacks of hereditary angioedema (HAE) in adults 18 years of age and older.
The recommended dose of icatibant injection is 30 mg administered by subcutaneous (SC) injection in the abdominal area. Additional doses may be administered at intervals of at least 6 hours if response is inadequate or if symptoms recur. No more than 3 doses may be administered in any 24 hour period.
Icatibant injection 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 icatibant injection by subcutaneous injection over at least 30 seconds.
Patients may self-administer icatibant injection upon recognition of symptoms of an HAE attack after training under the guidance of a healthcare professional [ see Patient Counseling Information (17) ].
Icatibant injection is supplied in a prefilled syringe delivering 30 mg icatibant. Each syringe delivers 3 mL solution with a concentration of 10 mg per mL.
Given the potential for airway obstruction during acute laryngeal HAE attacks, patients should be advised to seek medical attention in an appropriate healthcare facility immediately in addition to treatment with icatibant injection.
The safety of icatibant was evaluated in three controlled trials that included 223 patients who received icatibant injection 30 mg (n=113), placebo (n=75), or comparator (n=38). The mean age at study entry was 38 years (range 18 to 83 years), 64% were female, and 95% were white. The data described below represent adverse reactions observed from the two placebo-controlled trials, consisting of 77 patients who received icatibant injection at a dose of 30 mg SC, and 75 who received placebo.
The most frequently reported adverse reactions (occurring in greater than 1% of patients and at a higher rate with icatibant injection versus placebo) are shown in Table 1 .
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
Table 1 Adverse reactions observed in >1% of patients with acute attacks of HAE and at a higher rate with icatibant injection versus placebo in the placebo-controlled trials a
|Icatibant injection (N =77)||Placebo (N = 75)|
|System Organ Class Preferred Term||Subjects (%)||Subjects (%)|
General disorders and administration site conditions
Injection site reaction b
|75 (97) 3 (4)||25 (33) 0|
Nervous system disorders
|2 (3)||1 (1)|
a Events occurring within 14 days of study drug administration b Injection site bruising, Injection site hematoma, Injection site burning, Injection site erythema, Injection site hypoesthesia, Injection site irritation, Injection site numbness, Injection site edema, Injection site pain, Injection site pressure sensation, Injection site pruritus, Injection site swelling, Injection site urticaria, and Injection site warmth
The third trial was active-controlled and was comprised of 35 patients who received icatibant injection 30 mg and 38 patients who received the comparator. Adverse reactions for icatibant injection were similar in nature and frequency to those reported in Table 1.
In all three controlled trials, patients were eligible for treatment of subsequent attacks in an open-label extension. Patients were treated with icatibant injection 30 mg and could receive up to 3 doses of icatibant injection 30 mg administered at least 6 hours apart for each attack. A total of 225 patients were treated with 1,076 doses of 30 mg icatibant injection for 987 attacks of acute HAE. Adverse reactions similar in nature and frequency were observed to those seen in the controlled phase of the trials. Other adverse reactions reported included rash, nausea, and headache in patients exposed to icatibant injection.
The safety of self-administration was evaluated in a separate, open-label trial in 56 patients with HAE. In this trial, the safety profile of icatibant injection in patients who self-administered icatibant injection was similar in nature and frequency to that of patients whose therapy was administered by healthcare professionals.
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