Journal of Hematology, ISSN 1927-1212 print, 1927-1220 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Hematol and Elmer Press Inc
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Short Communication

Volume 14, Number 4, August 2025, pages 234-239


Fixed-Dose Four-Factor Prothrombin Complex Concentrate for Reversal of Anticoagulation: Evaluation of Efficacy, Safety, and Cost Savings

Tables

↓  Table 1. Patient Characteristics
 
Characteristics Warfarin (n = 414) DOACs (n = 127)
ICH: intracranial hemorrhage; GIB: gastrointestinal bleed; SD: standard deviation; INR: international normalized ratio; DOACs: direct oral anticoagulants; FFP: fresh frozen plasma; 4F-PCC: four-factor prothrombin complex concentrate; IV: intravenous.
Males (%) 232 (56) 77 (61)
Mean age (SD) 71 (15) 74 (13)
Mean weight (SD) 87 (26) 85 (22)
Anticoagulation indication (%)
  Atrial fibrillation 248 (60) 86 (68)
  Venous thromboembolism 100 (24) 34 (26)
  Other 66 (16) 7 (6)
Pre-reversal INR (%)
  2 - 4 219 (61) -
  4 - 6 58 (16)
  > 6 84 (23)
DOACs type (%) -
  Apixaban 85 (67)
  Rivaroxaban 42 (33)
Mean dose of 4F-PCC (SD) 1,636 (367) 2,106 (243)
Reason for administration (%)
  Pre-procedure 134 (32) 15 (12)
  Bleed 269 (65) 111 (87)
  ICH 112 (42) 70 (63)
  GIB 81 (30) 24 (22)
  Other 11 (3%) 1 (1%)
IV vitamin K given (%) 340 (82) -
FFP administered (%) 74 (18) 12 (9)

 

↓  Table 2. Outcomes
 
Outcomes Warfarin (n = 414) DOACs (n = 127)
DOACs: direct oral anticoagulants; SD: standard deviation; ICH: intracranial hemorrhage; INR: international normalized ratio.
Post-reversal INR
  < 2 341 (89) -
  < 1.5 215 (56)
Second dose needed (%) 16 (4) 5 (4)
30-day hemorrhagic event (%) 49 (12) 15 (12)
  Mean time to event in days (SD) 9 (7) 8 (6)
30-day thrombotic event (%) 23 (6) 6 (5)
  Venous thrombosis (%) 16 (73) 3 (50)
  Arterial thrombosis (%) 6 (27) 3 (50)
  Mean time to event in days (SD) 10 (8) 9 (11)
30-day mortality
  Non-ICH (%) 54 (18) 14 (25)
  All-cause (%) 98 (24) 38 (30)

 

↓  Table 3. Warfarin Outcomes Based on Interventions
 
Outcomes Mean pre-reversal INR Mean post-reversal INR
FF: fresh frozen plasma; INR: international normalized ratio; 4F-PCC: four-factor prothrombin complex concentrate.
4F-PCC only 15% (n = 64) 3.0 1.6
4F-PCC and vitamin K 67% (n = 276) 4.3 1.5
4F-PCC, vitamin K, and FFP 15% (n = 64) 5.2 1.7

 

↓  Table 4. 4F-PCC Repeat Dosing of 4F-PCC 500 IU
 
Warfarin (n = 16) DOACs (n = 5)
DOACs: direct oral anticoagulants; IQR: interquartile range; 4F-PCC: four-factor prothrombin complex concentrate; ICH: intracranial hemorrhage.
Median weight, kg (IQR) 94 (83 - 126) 95 (86-100)
Indication
  Pre-procedure 8
  Bleeding 8 (all ICH)
Range of first dose of 4F-PCC, IU 1,558 - 5,360 1,637 - 2,252
30-day hemorrhagic event (%) 2 (13) 3 (60)
30-day thrombotic event (%) 2 (13) 0 (0)
30-day mortality 9 (56) 2 (40)