Effect of fluoxetine on three-year recurrence in acute ischemic stroke: A randomized controlled clinical study

Yitao He, Zhili Cai, Siling Zeng, Siyan Chen, Bingshan Tang, Yubing Liang, Xin Chang, Yi Guo
Clinical Neurology and Neurosurgery 2018, 168: 1-6

OBJECTIVE: To evaluate the effect of fluoxetine on three-year recurrence rate of acute ischemic stroke.

PATIENTS AND METHODS: 404 enrolled patients with acute ischemic stroke were randomly divided into control and treatment groups, and underwent conventional secondary preventive therapy for ischemic stroke. In addition, the treatment group was administered fluoxetine (20 mg daily for 90 days). A three-year follow-up was performed, and indicators related to risk factors of stroke were assessed at day 90 of follow-up. The effect of fluoxetine on the three-year recurrence rate of acute ischemic stroke was evaluated by survival analysis, as well as multifactor Cox regression analysis.

RESULTS: The values of systolic blood pressure, blood total cholesterol, blood low density lipoprotein and glycosylated hemoglobin at day 90 of follow-up were significantly lower in treatment group than control group (P = 0.002, P = 0.002, P = 0.018, P = 0.011, respectively). The occurrence rates of epilepsy, gastrointestinal bleeding, syncope, allergic reactions, hemorrhagic infarction, and death were not significantly different between the two groups during the follow-up (P > 0.05). The recurrence-free survival rate of ischemic stroke was significantly lower in the treatment group than control group as assessed by the Kaplan-Meier test (85.1% Vs 75.7%, P = 0.016), as well as the recurrence-free survival rate after day 90 in the three-year follow-up (87.0% Vs 79.3%, P = 0.043). Multifactor Cox regression analysis demonstrated treatment with fluoxetine was an independent factor reducing three-year recurrence in acute ischemic stroke (HR = 0.594, 95% CI: 0.376-0.938).

CONCLUSION: Treatment with fluoxetine for 90 days after acute ischemic stroke significantly reduces the three-year recurrence rate of ischemic stroke.

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