Why the study?
Do direct oral anticoagulants (edoxaban or apixaban) reduce bleeding and prevent VTE recurrence compared to warfarin in Japanese patients with advanced cancer?
Cohort (n=108)
No
Do direct oral anticoagulants (edoxaban or apixaban) reduce bleeding and prevent VTE recurrence compared to warfarin in Japanese patients with advanced cancer?
In Japanese patients with advanced cancer and VTE, DOACs (edoxaban and apixaban) significantly reduced all bleeding events compared to warfarin without increasing VTE recurrence.
May support DOAC preference to reduce bleeding in advanced cancer VTE; leaves open randomized confirmation of recurrence benefit.
【背景/目的】日本人進行がん患者の静脈血栓塞栓症(venous thromboembolism: VTE)の治療での直接経口抗凝固薬(direct oral anticoagulant: DOAC)の報告はこれまでない.【方法】エドキサバン(E群),アピキサバン(A群)で治療を開始した患者をそれぞれワルファリン(W群)で治療した患者と後向きに比較,検討した.【結果】E群とW群の比較では,非大出血はE群で17%,W群で27%(p=0.39),全ての出血はE群で30%,W群で57%(p=0.03),再発はE群が8%,W群で16%であった(p=0.43).A群とW群の比較では,非大出血はA群で10%,W群で27%(p=0.18),全ての出血はA群で26%,W群で57%(p=0.02),再発はA群が3%,W群は16%であった(p=0.17).【結語】DOACはW群と比較し,非大出血および再発が少ない傾向であった.全ての出血はDOACで有意に少なかった.日本人進行がん患者のVTEの治療にもDOACは有用である可能性がある.
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Oyakawa et al. (2017) conducted a cohort in Venous thromboembolism in advanced cancer (n=108). Direct oral anticoagulants (Edoxaban or Apixaban) vs. Warfarin was evaluated on VTE recurrence at 3 months (Edoxaban vs Warfarin) (RR 0.52, 95% CI 0.18-2.18, p=0.43).
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