Dermatologic Manifestations of Hereditary Angioedema Medication
- Author: Warren R Heymann, MD; Chief Editor: Dirk M Elston, MD more...
Medication Summary
The goals of pharmacotherapy for hereditary angioedema (HAE) are to reduce morbidity and to prevent complications.
Antigonadotropic agents
Class Summary
These agents may be used at doses that prevent attacks.
Danazol (Danocrine)
Increases levels of C4 component of complement and reduces attacks associated with angioedema. In HAE, danazol increases level of deficient C1 esterase inhibitor.
Antifibrinolytic agents
Class Summary
Act through the inhibition of plasmin.
Epsilon-aminocaproic acid (Amicar)
Lysine analog that inhibits fibrinolysis via inhibition of plasminogen activator substances and, to a lesser degree, through antiplasmin activity.
Widely distributed. Half-life is 1-2 h. Peak effect occurs within 2 h. Hepatic metabolism is minimal. Can be used PO/IV.
Tranexamic acid (Cyklokapron)
Alternative to aminocaproic acid. Inhibits fibrinolysis by displacing plasminogen from fibrin.
Serine Proteinase Inhibitors (serpins)
Class Summary
Used for routine prophylaxis against angioedema attacks and for treatment of acute attacks.
C1 inhibitor, human (Cinryze)
C1 inhibitor is a normal constituent of human blood and is one of the serine proteinase inhibitors (serpins). Regulates activation of pathways for complement and intrinsic coagulation. Also regulates fibrinolytic system. Available as a sterile, lyophilized preparation derived from human plasma. Specific activity is 4-9 U/mg protein. One unit corresponds to the mean quantity of C1 inhibitor present in 1 mL of normal fresh plasma. Indicated for routine prophylaxis against angioedema attacks in adolescents and adults with hereditary angioedema
C1 esterase inhibitor, human (Berinert)
Serine proteinase inhibitor found in human blood that regulates activation of the complement pathway, intrinsic coagulation system, and fibrinolytic system. Binds to and neutralizes substrates that activate these systems, thereby suppressing activity. Available as a pasteurized, lyophilized preparation derived from purified human plasma. One unit corresponds to the mean quantity of C1 inhibitor present in 1 mL of normal fresh plasma. Indicated for acute laryngeal, abdominal, and facial angioedema attacks in adolescents and adults with HAE.
Kallikrein Inhibitor
Class Summary
Elicits specific kallikrein inhibitor activity resulting in bradykinin reduction. Useful for treating acute episodic attacks.
Ecallantide (Kalbitor)
Human plasma kallikrein inhibitor. Binds to plasma kallikrein and blocks its binding site. Reduces conversion of kininogen to bradykinin. Indicated for acute attacks of hereditary angioedema. Available as injectable solution; 10 mg/mL per single-use vial.
Bradykinin Receptor Antagonists
Class Summary
Bradykinin receptor antagonists such as icatibant inhibit bradykinin from binding the B2 receptor and thereby treat the clinical symptoms of an acute attack. Recommended dose of icatibant is 30 mg SC in the abdominal area. It is available as a single-use, prefilled syringe, which delivers a dose of 30 mg (10 mg/mL).
Icatibant (Firazyr)
Bradykinin B2 receptor antagonist indicated for acute attacks of hereditary angioedema (HAE).
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