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Recombinant FVIIa in children with liver disease

Maria Pettersson1, Björn Fischler, Pia Petrini

  • 1Department of Paediatrics, Karolinska Institutet, Karolinska University Hospital, Huddinge, Stockholm S-141 86, Sweden. Maria.Petterson@klinvet.ki.se

Thrombosis Research
|June 7, 2005
PubMed

Insights

Recombinant activated factor VII (rFVIIa) shows promise for managing severe bleeding in children with liver disease and for prophylaxis during procedures. Octreotide may enhance its effectiveness, but portal vein thrombosis is a potential risk.

Area of Science:

  • Pediatric Hematology
  • Hepatology
  • Pharmacology

Background:

  • Children with chronic liver disease often experience severe bleeding.
  • Conventional therapies may be insufficient for managing bleeding in this population.

Purpose of the Study:

  • To evaluate the clinical and biochemical effects of recombinant activated factor VII (rFVIIa) in pediatric liver disease patients.
  • To assess rFVIIa's efficacy in treating life-threatening bleeding and as prophylaxis for invasive procedures.

Main Methods:

  • A study involving 12 pediatric patients (0.3-15.9 years) with chronic liver disease.
  • rFVIIa administered intravenously (median 66 µg/kg) for bleeding treatment or procedural prophylaxis.
  • Follow-up included INR, hemoglobin, and clinical assessments.

Main Results:

  • In bleeding episodes, rFVIIa led to decreased bleeding in 10 of 22 occasions, with enhanced effect when combined with octreotide.
  • No bleeding complications occurred in patients receiving rFVIIa for prophylaxis.
  • One suspected thrombotic event was noted but unconfirmed.

Conclusions:

  • rFVIIa may offer short-term benefits for severe bleeding in pediatric liver disease.
  • Combined use with octreotide might improve efficacy.
  • rFVIIa is effective for prophylaxis in invasive procedures.
  • Potential risk of portal vein thrombosis requires consideration.
Abstract

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