Edoxaban Versus Warfarin Stratified by Average Blood Pressure in 19 679 Patients With Atrial Fibrillation and a History of Hypertension in the ENGAGE AF-TIMI 48 Trial

Sungha Park, Brian A. Bergmark, Minggao Shi, Hans Joachim Lanz, Namsik Chung, Christian T. Ruff, Elliott M. Antman, Eugene Braunwald, Robert P. Giugliano

Research output: Contribution to journalArticle

Abstract

Hypertension is a risk factor for both stroke and bleeding in patients with atrial fibrillation. Data are sparse regarding the interaction between blood pressure and the efficacy and safety of direct oral anticoagulants. In the ENGAGE AF-TIMI 48 trial (Effective Anticoagulation With Factor Xa Next Generation in Atrial Fibrillation-Thrombolysis in Myocardial Infarction 48), 19,679 patients with atrial fibrillation and hypertension were categorized according to average systolic blood pressure (SBP) and diastolic blood pressure (DBP). The primary efficacy and safety end points were the time to the first stroke or systemic embolic event and the time to the first International Society of Thrombosis and Hemostasis major bleeding event, respectively. Risk was calculated using Cox proportional hazards models based on average SBP and DBP and adjusting for 18 clinical characteristics. The efficacy and safety of a higher dose edoxaban regimen (60/30 mg) versus warfarin were evaluated with stratification by average SBP and DBP. Stroke/systemic embolic event occurred significantly more frequently in patients with elevated average SBP (hazard ratio, 2.01; 95% CI, 1.50-2.70 for SBP ≥150 mm Hg relative to 130-139 mm Hg) or DBP (hazard ratio, 2.36; 95% CI, 1.76-3.16 for DBP ≥90 mm Hg relative to 75-<85 mm Hg). The higher dose edoxaban regimen reduced stroke/systemic embolic event across the full range of SBP (Pinteraction=0.55) and DBP (Pinteraction=0.44) compared with warfarin. The higher dose edoxaban regimen reduced the risk of major bleeding events, including intracranial hemorrhage, without modification by average SBP (Pinteraction=0.29). The relative safety of edoxaban was most pronounced in patients with elevated DBP (Pinteraction=0.007). The efficacy and safety of edoxaban were consistent across the full range of SBP, while the superior safety of edoxaban was most pronounced among patients with elevated DBP.

Original languageEnglish
Pages (from-to)597-605
Number of pages9
JournalHypertension (Dallas, Tex. : 1979)
Volume74
Issue number3
DOIs
Publication statusPublished - 2019 Sep 1

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Warfarin
Atrial Fibrillation
Blood Pressure
Hypertension
edoxaban
Safety
Stroke
Hemorrhage

All Science Journal Classification (ASJC) codes

  • Internal Medicine

Cite this

Park, Sungha ; Bergmark, Brian A. ; Shi, Minggao ; Lanz, Hans Joachim ; Chung, Namsik ; Ruff, Christian T. ; Antman, Elliott M. ; Braunwald, Eugene ; Giugliano, Robert P. / Edoxaban Versus Warfarin Stratified by Average Blood Pressure in 19 679 Patients With Atrial Fibrillation and a History of Hypertension in the ENGAGE AF-TIMI 48 Trial. In: Hypertension (Dallas, Tex. : 1979). 2019 ; Vol. 74, No. 3. pp. 597-605.
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abstract = "Hypertension is a risk factor for both stroke and bleeding in patients with atrial fibrillation. Data are sparse regarding the interaction between blood pressure and the efficacy and safety of direct oral anticoagulants. In the ENGAGE AF-TIMI 48 trial (Effective Anticoagulation With Factor Xa Next Generation in Atrial Fibrillation-Thrombolysis in Myocardial Infarction 48), 19,679 patients with atrial fibrillation and hypertension were categorized according to average systolic blood pressure (SBP) and diastolic blood pressure (DBP). The primary efficacy and safety end points were the time to the first stroke or systemic embolic event and the time to the first International Society of Thrombosis and Hemostasis major bleeding event, respectively. Risk was calculated using Cox proportional hazards models based on average SBP and DBP and adjusting for 18 clinical characteristics. The efficacy and safety of a higher dose edoxaban regimen (60/30 mg) versus warfarin were evaluated with stratification by average SBP and DBP. Stroke/systemic embolic event occurred significantly more frequently in patients with elevated average SBP (hazard ratio, 2.01; 95{\%} CI, 1.50-2.70 for SBP ≥150 mm Hg relative to 130-139 mm Hg) or DBP (hazard ratio, 2.36; 95{\%} CI, 1.76-3.16 for DBP ≥90 mm Hg relative to 75-<85 mm Hg). The higher dose edoxaban regimen reduced stroke/systemic embolic event across the full range of SBP (Pinteraction=0.55) and DBP (Pinteraction=0.44) compared with warfarin. The higher dose edoxaban regimen reduced the risk of major bleeding events, including intracranial hemorrhage, without modification by average SBP (Pinteraction=0.29). The relative safety of edoxaban was most pronounced in patients with elevated DBP (Pinteraction=0.007). The efficacy and safety of edoxaban were consistent across the full range of SBP, while the superior safety of edoxaban was most pronounced among patients with elevated DBP.",
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Edoxaban Versus Warfarin Stratified by Average Blood Pressure in 19 679 Patients With Atrial Fibrillation and a History of Hypertension in the ENGAGE AF-TIMI 48 Trial. / Park, Sungha; Bergmark, Brian A.; Shi, Minggao; Lanz, Hans Joachim; Chung, Namsik; Ruff, Christian T.; Antman, Elliott M.; Braunwald, Eugene; Giugliano, Robert P.

In: Hypertension (Dallas, Tex. : 1979), Vol. 74, No. 3, 01.09.2019, p. 597-605.

Research output: Contribution to journalArticle

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AU - Bergmark, Brian A.

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AU - Lanz, Hans Joachim

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AU - Ruff, Christian T.

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AU - Braunwald, Eugene

AU - Giugliano, Robert P.

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