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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2021
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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) |
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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 |
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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 |
work_keys_str_mv |
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