Evaluation of the safety and efficacy of a new hemostatic powder using a quantitative surface bleeding severity scale

the Advanced Powder Investigators Group (APIG)

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Aims of the study: The safety and efficacy of a hemostatic powder (HP) versus a control agent, absorbable gelatin sponge and thrombin (G + T), were assessed, using a validated, quantitative bleeding severity scale. Methods: Subjects were randomized to receive HP (256 subjects) or G + T (132 subjects) for treatment of minimal, mild, or moderate bleeding at 20 investigational sites. The primary efficacy endpoint was non-inferiority of HP relative to G + T for success at achieving hemostasis within 6 minutes. Secondary endpoints in rank order included: superiority of HP relative to G + T in mean preparation time; non-inferiority of HP relative to G + T for achieving hemostasis within 3 min; superiority of HP relative to G + T for achieving hemostasis within 6 min; and superiority of HP relative to G + T for success for achieving hemostasis within 3 min. Results: A total of 388 subjects were included in the primary efficacy analysis. At 6 min, hemostasis was achieved in 93.0% (238/256) of the HP group compared to 77.3% (102/132) of the G + T group (non-inferiority P < 0.0001, superiority P < 0.0001). All secondary endpoints were met. Complications were comparable between treatment groups. Conclusions: HP had superior rates of hemostasis, shorter preparation time, and a similar safety profile compared to G + T in this prospective, randomized trial using quantitative bleeding severity criteria.

Original languageEnglish
Pages (from-to)50-62
Number of pages13
JournalJournal of cardiac surgery
Volume34
Issue number1
DOIs
StatePublished - Jan 2019

Keywords

  • bleeding scale
  • collagen
  • hemostat
  • hemostatic agent
  • hemostatic powder
  • thrombin

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