Corifact (factor XIII)

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Last reviewed · Source: First Databank (FDB) drug data

Overview

Factor XIII (human) is a preparation of blood coagulation factor XIII derived from pooled human plasma.

Factor XIII (human) is a preparation of blood coagulation factor XIII derived from pooled human plasma. All plasma used in the manufacture of factor XIII (human) is obtained from US donors and is tested using serologic assays for hepatitis B surface antigen and antibodies to human immunodeficiency virus-1 (HIV-1), HIV-2, and hepatitis C virus (HCV). The plasma also is tested with nucleic acid testing for HCV, HIV-1, hepatitis A virus (HAV), hepatitis B virus (HBV), and parvovirus B19.

Factor XIII (human) is isolated from human plasma by ethanol precipitation and further purified using a series of viral inactivation/removal steps, including precipitation/adsorption, ion exchange chromatography, heat treatment (60degreesC for 10 hours in aqueous solution), and filtration.

Factor XIII circulates in plasma as a heterotetrameric glycoprotein consisting of 2 A-subunits and 2 B-subunits. Enzymatic activity resides in the A-subunits; the B-subunits function as carrier molecules for the A-subunits, stabilizing and protecting them from proteolysis.

Factor XIII is a proenzyme that is activated in the presence of calcium ions by thrombin cleavage of the A-subunit; upon activation, factor XIIIa promotes cross-linking of fibrin and other proteins, resulting in a fibrin clot that is more elastic and resistant to fibrinolysis. Factor XIIIa also cross-links alpha2-plasmin inhibitor to the alpha-chain of fibrin, resulting in protection of the fibrin clot from degradation by plasmin. Cross-linked fibrin is the end result of the coagulation cascade, and provides tensile strength to a primary hemostatic plug.

In a 12-week, open-label pharmacokinetic and safety study in 14 patients 5-42 years of age with congenital factor XIII deficiency, the mean increase in factor XIII activity levels after the third 40-unit/kg dose (i.e., at steady state) was 83% (range: 48-114%) compared with baseline. Mean half-life of the drug was approximately 6.6 days in these patients.

Generic name: factor XIII

Reference product & biosimilars

No reference, biosimilar or interchangeable associated with this drug.

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Indications

The following indications are listed for Corifact:

  • Hereditary Factor Xiii Deficiency Disease

Also known as: Congenital Factor Xiii Deficiency.

Dosing

Dosage of factor XIII (human) is expressed in international units (IU, units) of factor XIII activity. Each vial contains 1000-1600 units of factor XIII (human); the actual number of units of factor XIII activity is indicated on each vial label and carton.

Drug interactions

Formal drug interaction studies with factor XIII (human) have not been performed to date.

Contraindications

Factor XIII (human) is contraindicated in patients with known anaphylactic or severe systemic reactions to human plasma-derived products.

Adverse reactions

Adverse effects reported in more than 1% of patients receiving factor XIII (human) in clinical trials included joint inflammation, hypersensitivity reactions (i.e., rash, pruritus, erythema), hematoma, arthralgia, headache, elevated thrombin-antithrombin levels, and increased blood lactate dehydrogenase.

Precautions

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ICD codes

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Formulary status

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Last reviewed · Source: First Databank (FDB) drug data