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Thromb Haemost 1998; 80(05): 773-778
DOI: 10.1055/s-0037-1615357
Review Article
Schattauer GmbH

Prospective, Randomised Trial of Two Doses of rFVIIa (NovoSeven) in Haemophilia Patients with Inhibitors Undergoing Surgery

Amy D. Shapiro
1   From the Indiana University Medical Center, Hemophilia Center, IN, USA
,
Gerald S. Gilchrist
2   From the Department of Pediatrics, Mayo Clinic, Hemophilia Center, MN, USA
,
W. Keith Hoots
3   From the Department of Pediatrics and Internal Medicine, UT-Houston Medical School, TX, USA
,
Herbert A. Cooper
4   From the Division of Pediatric Hematology/Oncology, UNC Hospital at Chapel Hill, NC, USA
,
Dennis A. Gastineau
5   From the Division of Hematology, Department of Medicine, Mayo Clinic, Hemophilia Center, MN, USA
› Author Affiliations
Further Information

Publication History

Received 12 March 1998

Accepted after revision 19 June 1998

Publication Date:
07 December 2017 (online)

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Summary

Recombinant factor VIIa (rFVIIa; NovoSeven® ; Novo Nordisk) has proven efficacy in the treatment of haemophilic patients with inhibitors. This prospective, double-blind study compared rFVIIa (35 vs. 90 μg/kg) in the initiation and maintenance of haemostasis during and after elective surgery. Patients with inhibitors (FVIII, n = 26; FIX, n = 3) received rFVIIa immediately prior to incision; intraoperatively as needed; every 2 h for the first 48 h; and every 2-6 h for the following 3 days. Haemostasis was evaluated during surgery, at 0, 8, 24 and 48 h and 3, 4 and 5 days after wound closure. After day 5, open-label rFVIIa (90 μg/kg) was available for maintenance. Intraoperative haemostasis was achieved in 28/29 patients. All high-dose patients and 12/15 low dose patients had satisfactory haemostasis during the first 48 h. Twenty-three patients (13/14 high dose) successfully completed the study. Although the 35 μg/kg dose is probably sub-optimal for post-operative management, at least in major procedures, rFVIIa 90 μg/kg is an effective first-line option in surgery for patients with inhibitors.

 

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