Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality

Abstract This study aimed to explore the validity of the use of the net clinical benefit (NCB), i.e. the sum of major bleeding and thrombotic events, as a potential surrogate for all-cause mortality in clinical trials assessing antithrombotics. Published randomized controlled trials testing anticoag...

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Autores principales: Roubi Kilo, Silvy Laporte, Rama Arab, Sabine Mainbourg, Steeve Provencher, Guillaume Grenet, Laurent Bertoletti, Laurent Villeneuve, Michel Cucherat, Jean-Christophe Lega, META-EMBOL Group
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Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/6ede1d7ffd7e45c089cbac448dc01abd
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spelling oai:doaj.org-article:6ede1d7ffd7e45c089cbac448dc01abd2021-12-02T16:17:21ZMeta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality10.1038/s41598-021-94160-12045-2322https://doaj.org/article/6ede1d7ffd7e45c089cbac448dc01abd2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94160-1https://doaj.org/toc/2045-2322Abstract This study aimed to explore the validity of the use of the net clinical benefit (NCB), i.e. the sum of major bleeding and thrombotic events, as a potential surrogate for all-cause mortality in clinical trials assessing antithrombotics. Published randomized controlled trials testing anticoagulants in the prevention or treatment of venous thromboembolism (VTE) and non-valvular atrial fibrillation (NVAF) were systematically reviewed. The validity of NCB as a surrogate endpoint was estimated by calculating the strength of correlation of determination (R2) and its 95% confidence interval (CI) between the relative risks of NCB and all-cause mortality. Amongst the 125 trials retrieved, the highest R2 trial values were estimated for NVAF (R2 trial = 0.41, 95% CI [0.03; 0.48]), and acute VTE (R2 trial = 0.30, 95% CI [0.04; 0.84]). Conversely, the NCB did not correlate with all-cause mortality in prevention studies with medical (R2 trial = 0.12, 95% CI [0.00; 0.36]), surgical (R2 trial = 0.05, 95% CI [0.00; 0.23]), and cancer patients (R2 trial = 0.006, 95% CI [0.00; 1.00]). A weak correlation between NCB and all cause-mortality was found in NVAF and acute VTE, whereas no correlation was observed in clinical situations where the mortality rate was low. Consequently, NCB should not be considered a surrogate outcome for all cause-mortality in anticoagulation trials.Roubi KiloSilvy LaporteRama ArabSabine MainbourgSteeve ProvencherGuillaume GrenetLaurent BertolettiLaurent VilleneuveMichel CucheratJean-Christophe LegaMETA-EMBOL GroupNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Roubi Kilo
Silvy Laporte
Rama Arab
Sabine Mainbourg
Steeve Provencher
Guillaume Grenet
Laurent Bertoletti
Laurent Villeneuve
Michel Cucherat
Jean-Christophe Lega
META-EMBOL Group
Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality
description Abstract This study aimed to explore the validity of the use of the net clinical benefit (NCB), i.e. the sum of major bleeding and thrombotic events, as a potential surrogate for all-cause mortality in clinical trials assessing antithrombotics. Published randomized controlled trials testing anticoagulants in the prevention or treatment of venous thromboembolism (VTE) and non-valvular atrial fibrillation (NVAF) were systematically reviewed. The validity of NCB as a surrogate endpoint was estimated by calculating the strength of correlation of determination (R2) and its 95% confidence interval (CI) between the relative risks of NCB and all-cause mortality. Amongst the 125 trials retrieved, the highest R2 trial values were estimated for NVAF (R2 trial = 0.41, 95% CI [0.03; 0.48]), and acute VTE (R2 trial = 0.30, 95% CI [0.04; 0.84]). Conversely, the NCB did not correlate with all-cause mortality in prevention studies with medical (R2 trial = 0.12, 95% CI [0.00; 0.36]), surgical (R2 trial = 0.05, 95% CI [0.00; 0.23]), and cancer patients (R2 trial = 0.006, 95% CI [0.00; 1.00]). A weak correlation between NCB and all cause-mortality was found in NVAF and acute VTE, whereas no correlation was observed in clinical situations where the mortality rate was low. Consequently, NCB should not be considered a surrogate outcome for all cause-mortality in anticoagulation trials.
format article
author Roubi Kilo
Silvy Laporte
Rama Arab
Sabine Mainbourg
Steeve Provencher
Guillaume Grenet
Laurent Bertoletti
Laurent Villeneuve
Michel Cucherat
Jean-Christophe Lega
META-EMBOL Group
author_facet Roubi Kilo
Silvy Laporte
Rama Arab
Sabine Mainbourg
Steeve Provencher
Guillaume Grenet
Laurent Bertoletti
Laurent Villeneuve
Michel Cucherat
Jean-Christophe Lega
META-EMBOL Group
author_sort Roubi Kilo
title Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality
title_short Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality
title_full Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality
title_fullStr Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality
title_full_unstemmed Meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality
title_sort meta-regression of randomized control trials with antithrombotics: weak correlation between net clinical benefit and all cause-mortality
publisher Nature Portfolio
publishDate 2021
url https://doaj.org/article/6ede1d7ffd7e45c089cbac448dc01abd
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