Recombinant factor VIIa in patients with coagulopathy secondary to anticoagulant therapy, cirrhosis, or severe traumatic injury: Review of safety profile

Jerrold H. Levy, Abe Fingerhut, Thomas Brott, Irene H. Langbakke, Elisabeth Erhardtsen, Robert J. Porte

Research output: Contribution to journalArticle

79 Scopus citations

Abstract

BACKGROUND: In recent years, the hemostatic agent recombinant factor VIIa (rFVIIa) has emerged as a potentially new therapeutic agent for management of coagulopathy in patients with cirrhosis or following severe traumatic injury, a complex problem for clinicians in which standard treatment strategies are not always effective. As with other hemostatic agents, a primary safety concern of rFVIIa therapy is the theoretical possibility that systemic administration could confer an increased risk of thrombotic complications. So far, clinical experience indicates rFVIIa to be a safe treatment for currently approved indications within hemophilia. Little information is available, however, for patient populations outside this clinical setting. STUDY DESIGN AND METHODS: This article reviews critical safety data obtained from 13 Novo Nordisk-sponsored clinical trials of rFVIIa in patients with coagulopathy secondary to anticoagulant therapy, cirrhosis, or severe traumatic injury. RESULTS: Thrombotic adverse events were reported for 5.3 percent (23/430) of placebo-treated patients and 6.0 percent (45/748) of patients on active treatment. No significant difference was found between placebo-treated and rFVIIa-treated patients with respect to the incidence of thrombotic AEs, either on an individual trial basis or for these trial populations combined (p = 0.57). CONCLUSION: An important determinant for the safety profile reported here is likely to be the specific mechanism of action of rFVIIa, shown in experimental studies to be localized to the site of vascular injury where tissue factor is exposed.

Original languageEnglish (US)
Pages (from-to)919-933
Number of pages15
JournalTransfusion
Volume46
Issue number6
DOIs
StatePublished - Jun 1 2006

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Hematology

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