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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Lubeluzole in acute ischemic stroke. A double-blind, placebo-controlled phase II trial. Lubeluzole International Study Group.

BACKGROUND AND PURPOSE: We aimed to assess the safety and efficacy of lubeluzole in patients with a clinical diagnosis of acute (< 6 hours) ischemic stroke in the carotid artery territory. METHODS: A randomized, double-blind, placebo-controlled multicenter trial was conducted in 232 patients. Because treatment was administered within 6 hours and a CT scan was not mandatory before the start of treatment, 39 patients with either an intracerebral hemorrhage or ischemic stroke in the vertebrobasilar circulation were excluded from the primary efficacy analysis as prespecified in the protocol. Of the 193 patients with acute ischemic stroke in the carotid artery territory (target population), 61 received placebo, 66 lubeluzole 7.5 mg over 1 hour followed by 10 mg/d for 5 days, and 66 lubeluzole 15 mg over 1 hour followed by 20 mg/d for 5 days. RESULTS: The trial, initially aimed at a patient inclusion of 270, was terminated prematurely according to the advice of the Safety Committee because of an imbalance in mortality between the treatment groups. Mortality rates at the final follow-up of 28 days for placebo, lubeluzole 10 mg/d, and lubeluzole 20 mg/d were, respectively, 18%, 6%, and 35% in the target population, results that were confirmed in the intent-to-treat population. Multivariate logistic regression analysis showed that the lower mortality in the lubeluzole 10 mg/d group was significantly in favor of the 10 mg/d treatment (P = .019). The higher mortality rate in the 20 mg/d group could be explained, at least in part, by an imbalance at randomization that led to a higher number of patients in that group with severe ischemic stroke. A total of 26 of 66 patients (39%) who received lubeluzole 10 mg/d had a score on the Barthel Index of > 70 at day 28, indicating no or mild disability, compared with 21 of 61 (34%) in the placebo group and 19 of 66 (29%) in the lubeluzole 20 mg/d group (P = NS). CONCLUSIONS: In patients with acute ischemic stroke, the dosage regimen of 7.5 mg over 1 hour followed by 10 mg/d of intravenous lubeluzole is safe and statistically significantly reduced mortality. Further clinical trials in a larger number of patients are ongoing to confirm efficacy.[1]


  1. Lubeluzole in acute ischemic stroke. A double-blind, placebo-controlled phase II trial. Lubeluzole International Study Group. Diener, H.C., Hacke, W., Hennerici, M., Rådberg, J., Hantson, L., De Keyser, J. Stroke (1996) [Pubmed]
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