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type=\u0022text\/css\u0022 rel=\u0022stylesheet\u0022 href=\u0022\/\/d282kpwvnogo5m.cloudfront.net\/sites\/default\/files\/advagg_css\/css__ce2QY63WIanKyr8eSq7eavr1XQRRmFD6ZSmwpyJi8lM__zXwFqpqmxrZOXXcd_TpBQpjuELbmIP9wBR5UuTDWAO4__YJWWMMdfCJuAFm5cUEp88OsodhO3ZA-2lzRfoBsSlk4.css\u0022 media=\u0022all\u0022 \/\u003E\n\u003Clink rel=\u0027stylesheet\u0027 type=\u0027text\/css\u0027 href=\u0027\/sites\/all\/modules\/contrib\/panels\/plugins\/layouts\/onecol\/onecol.css\u0027 \/\u003E\u003C\/head\u003E\u003Cbody\u003E\u003Cdiv class=\u0022panels-ajax-tab-panel panels-ajax-tab-panel-sageoa-tab-art\u0022\u003E\u003Cdiv class=\u0022panel-display panel-1col clearfix\u0022 \u003E\n  \u003Cdiv class=\u0022panel-panel panel-col\u0022\u003E\n    \u003Cdiv\u003E\u003Cdiv class=\u0022panel-pane pane-highwire-markup\u0022 \u003E\n  \n      \n  \n  \u003Cdiv class=\u0022pane-content\u0022\u003E\n    \u003Cdiv class=\u0022highwire-markup\u0022\u003E\u003Cdiv xmlns=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022 id=\u0022content-block-markup\u0022 xmlns:xhtml=\u0022http:\/\/www.w3.org\/1999\/xhtml\u0022\u003E\u003Cdiv class=\u0022article fulltext-view \u0022\u003E\u003Cspan class=\u0022highwire-journal-article-marker-start\u0022\u003E\u003C\/span\u003E\u003Cdiv class=\u0022section abstract\u0022 id=\u0022abstract-1\u0022\u003E\u003Ch2\u003ESummary\u003C\/h2\u003E\u003Cp id=\u0022p-1\u0022\u003EApixaban anticoagulation was rapidly reversed by 4 factor\u2013prothrombin complex concentrate in healthy volunteers, as measured by endogenous thrombin potential. Adverse events occurred more frequently after 4 factor\u2013prothrombin complex concentrate compared with placebo, most commonly nasopharyngitis and abdominal pain. However, there were no reports of thrombosis or other serious adverse events.\u003C\/p\u003E\u003C\/div\u003E\u003Cul class=\u0022kwd-group\u0022\u003E\u003Cli class=\u0022kwd\u0022\u003E4 factor\u2013prothrombin complex concentrate\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003Ereversal\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003Eanticoagulant\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003Eendogenous thrombin potential\u003C\/li\u003E\u003C\/ul\u003E\u003Cul class=\u0022kwd-group drug\u0022\u003E\u003Cli class=\u0022kwd\u0022\u003Eapixaban\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003E4F-PCC\u003C\/li\u003E\u003C\/ul\u003E\u003Cul class=\u0022kwd-group clinical-trial\u0022\u003E\u003Cli class=\u0022kwd\u0022\u003EReversibility of Apixaban Anticoagulation With the Four Factor Prothrombin Complex Concentrate Kcentra\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003E4PAR\u003C\/li\u003E\u003Cli class=\u0022kwd\u0022\u003ENCT02270918\u003C\/li\u003E\u003C\/ul\u003E\u003Cdiv class=\u0022section\u0022 id=\u0022sec-1\u0022\u003E\u003Cp id=\u0022p-2\u0022\u003EInfusion of 4 factor\u2013prothrombin complex concentrate (4F-PCC) reversed the anticoagulation effect of apixaban in healthy volunteers, with no signs of thrombosis or serious adverse events. Charles Frost, PharmD, Bristol-Myers Squibb, Princeton, New Jersey, USA, presented data from the Reversibility of Apixaban Anticoagulation With the Four Factor Prothrombin Complex Concentrate Kcentra study [4PAR; \u003Ca class=\u0022external-ref external-ref-type-clintrialgov\u0022 href=\u0022\/lookup\/external-ref?link_type=CLINTRIALGOV\u0026amp;access_num=NCT02270918\u0026amp;atom=%2Fspmdc%2F14%2F55%2F21.atom\u0022\u003ENCT02270918\u003C\/a\u003E].\u003C\/p\u003E\u003Cp id=\u0022p-3\u0022\u003EApixaban is a nonwarfarin oral anticoagulant that is approved for the treatment of venous thromboembolic events, but lacks evidence-based methods to reverse its anticoagulation effect. The purpose of this study was to determine if the administration of 4F-PCC could reverse apixaban anticoagulation in healthy volunteers.\u003C\/p\u003E\u003Cp id=\u0022p-4\u0022\u003EIn the open-label, 3-period crossover 4PAR study, 15 patients received 10 mg BID of apixaban for 3 days, and then were randomized to receive a 30-minute infusion of placebo, the 4F-PCC Cofact, or the 4F-PCC Beriplex 3 hours after the last dose of apixaban. After an 11-day washout period, patients received an alternative treatment, followed by another 11-day washout and another alternative treatment. The primary end point of the study was change in endogenous thrombin potential (ETP), including time points from baseline (prior to 4F-PCC or apixaban administration) to 30 minutes after 4F-PCC or placebo administration, as measured by the thrombin generation assay (TGA). The secondary end points included TGA parameters, results from other coagulation tests including prothrombin time (PT), international normalized ratio (INR), activated partial thromboplastin time (aPTT), and anti-factor Xa activity, as well as apixaban pharmacokinetics and safety measures such as vital signs, echocardiograms, physical examinations, and adverse events, with and without 4F-PCC administration.\u003C\/p\u003E\u003Cp id=\u0022p-5\u0022\u003EAdministration of 4F-PCCs resulted in a rapid reversal of the anticoagulation caused by apixaban compared with placebo, as measured by ETP, which was sustained over 72 hours. The adjusted mean change in ETP from baseline was 389 nM\/min in patients who received Cofact compared with saline (\u003Cem\u003EP\u003C\/em\u003E\u2009=\u2009.001); however, the change in ETP from baseline was not significant in patients who received Beriplex compared with placebo (\u003Cem\u003EP\u003C\/em\u003E\u2009=\u2009.135). 4F-PCC infusion resulted in a significant improvement in other coagulation tests, including PT, INR, and aPTT compared with placebo (\u003Cem\u003EP\u003C\/em\u003E\u2009\u0026lt;\u2009.001 for all measurements regardless of 4F-PCC brand).\u003C\/p\u003E\u003Cp id=\u0022p-6\u0022\u003EAdverse events occurred in 7% of patients in the placebo arm and 33% and 13% of patients in the Cofact and Beriplex arms, respectively. The most common adverse events were nasopharyngitis and abdominal pain, which occurred in 2 patients each in the Cofact and Beriplex arms. In addition, 1 patient experienced drug-related mild dizziness in the Cofact arm. There were no serious adverse events.\u003C\/p\u003E\u003Cp id=\u0022p-7\u0022\u003EAccording to Dr Frost, the data from the 4PAR trial suggest that infusion reduced anticoagulation by apixaban as measured by ETP, which reached significance for Cofact. In addition, 4F-PCC treatment was well tolerated and did not affect apixaban pharmacokinetics. He commented that these data support the need for additional studies to determine the most efficacious and safe dose of 4F-PCC to reduce apixaban anticoagulation.\u003C\/p\u003E\u003C\/div\u003E\u003Cul class=\u0022copyright-statement\u0022\u003E\u003Cli class=\u0022fn\u0022 id=\u0022copyright-statement-1\u0022\u003E\u00a9 2014 SAGE Publications\u003C\/li\u003E\u003C\/ul\u003E\u003Cspan class=\u0022highwire-journal-article-marker-end\u0022\u003E\u003C\/span\u003E\u003C\/div\u003E\u003Cspan id=\u0022related-urls\u0022\u003E\u003C\/span\u003E\u003C\/div\u003E\u003Ca href=\u0022http:\/\/mdc.sagepub.com\/content\/14\/55\/21.abstract\u0022 class=\u0022hw-link hw-link-article-abstract\u0022 data-icon-position=\u0022\u0022 data-hide-link-title=\u00220\u0022\u003EView Summary\u003C\/a\u003E\u003C\/div\u003E  \u003C\/div\u003E\n\n  \n  \u003C\/div\u003E\n\u003C\/div\u003E\n  \u003C\/div\u003E\n\u003C\/div\u003E\n\u003C\/div\u003E\u003Cscript type=\u0022text\/javascript\u0022 src=\u0022http:\/\/mdc.sagepub.com\/sites\/all\/modules\/highwire\/highwire\/plugins\/highwire_markup_process\/js\/highwire_openurl.js?nzoa82\u0022\u003E\u003C\/script\u003E\n\u003C\/body\u003E\u003C\/html\u003E"}