Hemodynamics, fluids & transfusion

Efficacy and safety of fibrinogen concentrate (BT524) in severe hemorrhage: Phase 3 subcohort analysis of the AdFIrst trial in patients undergoing cytoreductive surgery for pseudomyxoma peritonei

J Clin AnesthPublished Secondary analysis of the AdFIrst randomised trial

Primary result · Nominal exploratory pResult — go to the resultDifference −190 mL 95% CI −450 to 71

Authors' conclusion

In patients undergoing CRS for PMP, these results provide supportive evidence for the hemostatic efficacy of FC, consistent with the overall trial and prior studies, with a favorable safety profile.

Study context

Population
Patients undergoing cytoreductive surgery (CRS) for pseudomyxoma peritonei with predicted intraoperative blood loss >2 L, single UK centrerandomized and evaluated
Participants
98 patients
Comparison
Fibrinogen concentrate vs cryoprecipitate
  • Fibrinogen concentrate (FC)n = 48
  • Cryoprecipitate (Cryo)n = 50reference
Primary endpoint
Intraoperative blood loss, from decision to treat with trial drug until end of surgery (non-inferiority margin 150 mL)
Methodological detailssingle-centre, subcohort analysis, active-controlled, partially blinded, phase 3, non-inferiority
  • Single-centre
  • Subcohort analysis
  • Active-controlled
  • Partially blinded
  • Phase 3
  • Non-inferiority

Primary result

Nominal exploratory p

Difference

−190 mL

95% CI −450 to 71

P = 0.011

By group

FC vs Cryo
difference −190 mL (95% CI −450 to 71); P = 0.011

As reported in the abstract

Safety

Thromboembolic events · nominal exploratory p

P = 0.041

Other safety outcomes

Comparable between groups

Original publication

Efficacy and safety of fibrinogen concentrate (BT524) in severe hemorrhage: Phase 3 subcohort analysis of the AdFIrst trial in patients undergoing cytoreductive surgery for pseudomyxoma peritonei. J Clin Anesth. Published 5 June 2026. doi:10.1016/j.jclinane.2026.112242

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