Circulation · 2025
Efficacy and Safety of Very Low Achieved LDL Cholesterol in Patients With Previous Ischemic Stroke.
СтатьяРандомизированное исследованиеМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Monguillon Victorien, Kelly Peter J, O'Donoghue Michelle L, Park Jeong-Gun, Bohula Erin A, Saver Jeffrey L, Atar Dan, Keech Anthony C, Sever Peter S, Wang Huei, Paiva da Silva Lima Gabriel, Sabatine Marc S, Giugliano Robert P
Аннотация
BACKGROUND: Patients with previous ischemic stroke are at high risk for recurrent stroke and other major adverse cardiovascular events. The benefits of achieving very low levels of low-density lipoprotein cholesterol (LDL-C) in such patients is unclear.
METHODS: We analyzed patients with previous ischemic stroke enrolled in FOURIER (Further Cardiovascular Outcomes Research With PCSK9 Inhibition in Subjects With Elevated Risk), a randomized placebo-controlled trial studying evolocumab in patients with stable atherosclerotic cardiovascular disease (median follow-up, 2.2 years), and through the open-label extension (FOURIER-OLE) period (additional median follow-up, 5 years), to examine the relationship between achieved LDL-C and the long-term incidence of the primary end point (cardiovascular death, myocardial infarction, stroke, or hospitalization for unstable angina or coronary revascularization) and stroke-related end points.
RESULTS: The analysis included 5291 patients with previous ischemic stroke (>4 weeks). Of these, 666 (12.6%), 1410 (26.6%), 586 (11.1%), 508 (9.6%), and 2121 (40.1%) patients achieved LDL-C values of <20, 20 to <40, 40 to <55, 55 to <70, and ≥70 mg/dL, respectively. The incidence of the primary end point, all stroke, and ischemic stroke each decreased in a monotonic fashion with lower achieved LDL-C levels on a continuous scale (Ptrend<0.001, 0.002, and 0.002, respectively). Compared with patients with LDL-C ≥70 mg/dL, those who achieved levels <40 mg/dL had incidence rate ratios of 0.69 (95% CI, 0.57-0.84), 0.73 (95% CI, 0.53-0.99), and 0.75 (95% CI, 0.54-1.05) for the outcomes of the primary end point, all stroke, and ischemic stroke, respectively. Hemorrhagic strokes were infrequent and unrelated to achieved LDL-C (Ptrend=0.85).
CONCLUSIONS: In patients with previous ischemic stroke, it appeared that the lower the LDL-C, down to levels <40 mg/dL, the lower the risk of major adverse cardiovascular events, including recurrent stroke, without a clear increase in risk of hemorrhagic stroke. These findings support the concept that more intensive LDL-C lowering in patients with previous ischemic stroke may be warranted.
REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT01764633/NCT01764633.
METHODS: We analyzed patients with previous ischemic stroke enrolled in FOURIER (Further Cardiovascular Outcomes Research With PCSK9 Inhibition in Subjects With Elevated Risk), a randomized placebo-controlled trial studying evolocumab in patients with stable atherosclerotic cardiovascular disease (median follow-up, 2.2 years), and through the open-label extension (FOURIER-OLE) period (additional median follow-up, 5 years), to examine the relationship between achieved LDL-C and the long-term incidence of the primary end point (cardiovascular death, myocardial infarction, stroke, or hospitalization for unstable angina or coronary revascularization) and stroke-related end points.
RESULTS: The analysis included 5291 patients with previous ischemic stroke (>4 weeks). Of these, 666 (12.6%), 1410 (26.6%), 586 (11.1%), 508 (9.6%), and 2121 (40.1%) patients achieved LDL-C values of <20, 20 to <40, 40 to <55, 55 to <70, and ≥70 mg/dL, respectively. The incidence of the primary end point, all stroke, and ischemic stroke each decreased in a monotonic fashion with lower achieved LDL-C levels on a continuous scale (Ptrend<0.001, 0.002, and 0.002, respectively). Compared with patients with LDL-C ≥70 mg/dL, those who achieved levels <40 mg/dL had incidence rate ratios of 0.69 (95% CI, 0.57-0.84), 0.73 (95% CI, 0.53-0.99), and 0.75 (95% CI, 0.54-1.05) for the outcomes of the primary end point, all stroke, and ischemic stroke, respectively. Hemorrhagic strokes were infrequent and unrelated to achieved LDL-C (Ptrend=0.85).
CONCLUSIONS: In patients with previous ischemic stroke, it appeared that the lower the LDL-C, down to levels <40 mg/dL, the lower the risk of major adverse cardiovascular events, including recurrent stroke, without a clear increase in risk of hemorrhagic stroke. These findings support the concept that more intensive LDL-C lowering in patients with previous ischemic stroke may be warranted.
REGISTRATION: URL: https://www.clinicaltrials.gov; Unique identifier: NCT01764633/NCT01764633.