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Rivaroxaban or Aspirin for Extended Treatment of Venous Thromboembolism.
Weitz, Jeffrey I; Lensing, Anthonie W A; Prins, Martin H; Bauersachs, Rupert; Beyer-Westendorf, Jan; Bounameaux, Henri; Brighton, Timothy A; Cohen, Alexander T; Davidson, Bruce L; Decousus, Hervé; Freitas, Maria C S; Holberg, Gerlind; Kakkar, Ajay K; Haskell, Lloyd; van Bellen, Bonno; Pap, Akos F; Berkowitz, Scott D; Verhamme, Peter; Wells, Philip S; Prandoni, Paolo.
Afiliación
  • Weitz JI; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Lensing AWA; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Prins MH; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Bauersachs R; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Beyer-Westendorf J; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Bounameaux H; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Brighton TA; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Cohen AT; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Davidson BL; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Decousus H; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Freitas MCS; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Holberg G; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Kakkar AK; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Haskell L; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • van Bellen B; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Pap AF; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Berkowitz SD; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Verhamme P; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Wells PS; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
  • Prandoni P; From the Thrombosis and Atherosclerosis Research Institute and McMaster University, Hamilton, ON (J.I.W.), and the Department of Medicine, University of Ottawa and the Ottawa Hospital Research Institute, Ottawa (P.S.W.) - both in Canada; Bayer Pharmaceuticals, Leverkusen (A.W.A.L., M.C.S.F., G.H., A
N Engl J Med ; 376(13): 1211-1222, 2017 03 30.
Article en En | MEDLINE | ID: mdl-28316279
BACKGROUND: Although many patients with venous thromboembolism require extended treatment, it is uncertain whether it is better to use full- or lower-intensity anticoagulation therapy or aspirin. METHODS: In this randomized, double-blind, phase 3 study, we assigned 3396 patients with venous thromboembolism to receive either once-daily rivaroxaban (at doses of 20 mg or 10 mg) or 100 mg of aspirin. All the study patients had completed 6 to 12 months of anticoagulation therapy and were in equipoise regarding the need for continued anticoagulation. Study drugs were administered for up to 12 months. The primary efficacy outcome was symptomatic recurrent fatal or nonfatal venous thromboembolism, and the principal safety outcome was major bleeding. RESULTS: A total of 3365 patients were included in the intention-to-treat analyses (median treatment duration, 351 days). The primary efficacy outcome occurred in 17 of 1107 patients (1.5%) receiving 20 mg of rivaroxaban and in 13 of 1127 patients (1.2%) receiving 10 mg of rivaroxaban, as compared with 50 of 1131 patients (4.4%) receiving aspirin (hazard ratio for 20 mg of rivaroxaban vs. aspirin, 0.34; 95% confidence interval [CI], 0.20 to 0.59; hazard ratio for 10 mg of rivaroxaban vs. aspirin, 0.26; 95% CI, 0.14 to 0.47; P<0.001 for both comparisons). Rates of major bleeding were 0.5% in the group receiving 20 mg of rivaroxaban, 0.4% in the group receiving 10 mg of rivaroxaban, and 0.3% in the aspirin group; the rates of clinically relevant nonmajor bleeding were 2.7%, 2.0%, and 1.8%, respectively. The incidence of adverse events was similar in all three groups. CONCLUSIONS: Among patients with venous thromboembolism in equipoise for continued anticoagulation, the risk of a recurrent event was significantly lower with rivaroxaban at either a treatment dose (20 mg) or a prophylactic dose (10 mg) than with aspirin, without a significant increase in bleeding rates. (Funded by Bayer Pharmaceuticals; EINSTEIN CHOICE ClinicalTrials.gov number, NCT02064439 .).
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Texto completo: 1 Bases de datos: MEDLINE Asunto principal: Aspirina / Tromboembolia Venosa / Inhibidores del Factor Xa / Rivaroxabán Tipo de estudio: Clinical_trials Límite: Adult / Aged / Female / Humans / Male / Middle aged Idioma: En Revista: N Engl J Med Año: 2017 Tipo del documento: Article
Texto completo
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Texto completo: 1 Bases de datos: MEDLINE Asunto principal: Aspirina / Tromboembolia Venosa / Inhibidores del Factor Xa / Rivaroxabán Tipo de estudio: Clinical_trials Límite: Adult / Aged / Female / Humans / Male / Middle aged Idioma: En Revista: N Engl J Med Año: 2017 Tipo del documento: Article