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Treatment of adults with intracranial hemorrhage on apixaban or rivaroxaban with prothrombin complex concentrate products.

ABSTRACT: To analyze the efficacy and safety of activated prothrombin complex concentrates (aPCC) and four-factor prothrombin complex concentrates (4F-PCC) to prevent hematoma expansion in patients taking apixaban or rivaroxaban with intracranial hemorrhage (ICH). In this multicenter, retrospective study, sixty-seven ICH patients who received aPCC or 4F-PCC for known use of apixaban or rivaroxaban between February 2014 and September 2018 were included. The primary outcome was the percentage of patients who achieved excellent/good or poor hemostasis after administration of aPCC or 4F-PCC. Secondary outcomes included hospital mortality, thromboembolic events during admission, and transfusion requirements. Excellent/good hemostasis was achieved in 87% of aPCC patients, 89% of low-dose 4F-PCC [

SUBMITTER: Castillo R

PROVIDER: S-EPMC7829230 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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Treatment of adults with intracranial hemorrhage on apixaban or rivaroxaban with prothrombin complex concentrate products.

Castillo Renee R Chan Alissa A Atallah Steven S Derry Katrina K Baje Mark M Zimmermann Lara L LL Martin Ryan R Groysman Leonid L Stern-Nezer Sara S Minokadeh Anush A Nova Alan A Huang WanTing W Cang William W Schomer Kendra K

Journal of thrombosis and thrombolysis 20210101 1

To analyze the efficacy and safety of activated prothrombin complex concentrates (aPCC) and four-factor prothrombin complex concentrates (4F-PCC) to prevent hematoma expansion in patients taking apixaban or rivaroxaban with intracranial hemorrhage (ICH). In this multicenter, retrospective study, sixty-seven ICH patients who received aPCC or 4F-PCC for known use of apixaban or rivaroxaban between February 2014 and September 2018 were included. The primary outcome was the percentage of patients wh ...[more]

PMID: 32500220

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Project description:BackgroundAndexanet alfa is approved (FDA "accelerated approval"; EMA "conditional approval") as the first specific reversal agent for factor Xa (FXa) inhibitor-associated uncontrolled or life-threatening bleeding. Four-factor prothrombin complex concentrates (4F-PCC) are commonly used as an off-label, non-specific, factor replacement approach to manage FXa inhibitor-associated life-threatening bleeding. We evaluated the effectiveness and safety of andexanet alfa versus 4F-PCC for management of apixaban- or rivaroxaban-associated intracranial hemorrhage (ICH).MethodsThis two-cohort comparison study included andexanet alfa patients enrolled at US hospitals from 4/2015 to 3/2020 in the prospective, single-arm ANNEXA-4 study and a synthetic control arm of 4F-PCC patients admitted within a US healthcare system from 12/2016 to 8/2020. Adults with radiographically confirmed ICH who took their last dose of apixaban or rivaroxaban < 24 h prior to the bleed were included. Patients with a Glasgow Coma Scale (GCS) score < 7, hematoma volume > 60 mL, or planned surgery within 12 h were excluded. Outcomes were hemostatic effectiveness from index to repeat scan, mortality within 30 days, and thrombotic events within five days. Odds ratios (ORs) with 95% confidence intervals (CI) were calculated using propensity score-overlap weighted logistic regression.ResultsThe study included 107 andexanet alfa (96.6% low dose) and 95 4F-PCC patients (79.3% receiving a 25 unit/kg dose). After propensity score-overlap weighting, mean age was 79 years, GCS was 14, time from initial scan to reversal initiation was 2.3 h, and time from reversal to repeat scan was 12.2 h in both arms. Atrial fibrillation was present in 86% of patients. Most ICHs were single compartment (78%), trauma-related (61%), and involved the intracerebral and/or intraventricular space(s) (53%). ICH size was ≥ 10 mL in volume (intracerebral and/or ventricular) or ≥ 10 mm in thickness (subdural or subarachnoid) in 22% of patients and infratentorial in 15%. Andexanet alfa was associated with greater odds of achieving hemostatic effectiveness (85.8% vs. 68.1%; OR 2.73; 95% CI 1.16-6.42) and decreased odds of mortality (7.9% vs. 19.6%; OR 0.36; 95% CI 0.13-0.98) versus 4F-PCC. Two thrombotic events occurred with andexanet alfa and none with 4F-PCC.ConclusionsIn this indirect comparison of patients with an apixaban- or rivaroxaban-associated ICH, andexanet alfa was associated with better hemostatic effectiveness and improved survival compared to 4F-PCC. Trial registration NCT02329327; registration date: December 31, 2014.

Project description:Background: Mortality of oral anticoagulation-associated ICH is around 60%, with oral anticoagulation increasing the risk of ICH seven to ten-fold compared to no anticoagulation. Current guidelines recommend DOACs (direct oral anticoagulants) as first-line therapy in the treatment of VTE (Venous Thromboembolism) due to their more favorable safety profile. There are two agents available for DOAC reversal, Coagulation Factor Xa (recombinant), inactivated-zhzo (andexanet alfa, Andexxa®) and 4-factor prothrombin complex concentrate (4FPCC). There is little data comparing the two agents in real-life clinical settings.ObjectiveThe primary objective of this study was to determine if there was a difference in hemostatic efficacy of andexanet alfa and 4FPCC in patients with a factor Xa inhibitor-related intracranial hemorrhage.MethodsThis was a retrospective, single-center study conducted in adult patients admitted at a quaternary academic medical center from September 2017 to March 2021. Adults with a diagnosis of intracranial hemorrhage (ICH) were included if they received either 4FPCC or andexanet alfa for reversal of apixaban or rivaroxaban. In addition to hemostatic efficacy per imaging, we assessed disposition location, cerebral performance score, blood product consumption, and the development of a new thrombus.ResultsA total of 46 patients were included in this study, 15 received 4FPCC (32%) and 31 received andexanet alfa (68%). There was no difference in the proportion of patients with excellent (4FPCC 9 [60%] vs. andexanet alfa 16 [51.6%], p = 0.61), good (4FPCC 2 [13.3%] vs. andexanet alfa 7 [22.6%]), or poor (4FPCC 1 [6.7%] vs. andexanet alfa 5 [16.1%]) hemostasis after administration of each agent. There were no significant differences in any secondary outcomes.Conclusion and relevanceOur study found no difference in hemostatic efficacy between andexanet alfa and 4FPCC. At this time, clinicians should choose an agent based on individual patient presentation and resource availability. Further research will help clarify the role of each agent in the management of DOAC-related intracranial hemorrhage.

Dataset Information

Treatment of adults with intracranial hemorrhage on apixaban or rivaroxaban with prothrombin complex concentrate products.

Publications

Treatment of adults with intracranial hemorrhage on apixaban or rivaroxaban with prothrombin complex concentrate products.

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