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PROLOR Biotech (PBTH) Reports Positive Data from Factor VIIa-CTP in Hemophilic Mice

February 14, 2012 7:38 AM EST
PBTH Hot Sheet
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PROLOR Biotech, Inc. (AMEX: PBTH), reports positive results from a comparative study of its biobetter longer-acting version of the hemophilia drug Factor VIIa (Factor VIIa-CTP) in hemophilic mice. The study was designed to measure the potential increase in survival rates, thrombin levels and in vivo recovery of Factor VIIa-CTP when compared with commercially available recombinant Factor VIIa. In vivo recovery is a pharmacokinetic parameter used by researchers that compares actual clotting activity post-dosing to anticipated clotting activity. PROLOR previously announced positive results in an earlier comparative study that measured the increase in half-life and clotting activity of Factor VIIa-CTP compared to commercially available Factor VIIa.

The new study showed that compared to commercially available Factor VIIa, hemophilic mice receiving PROLOR's Factor VIIa-CTP demonstrated:
  • A superior survival rate over a longer time period following a bleeding challenge.
  • Superior and longer-lasting generation of thrombin, a key pro-clotting enzyme.
  • Significantly higher in vivo recovery.



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