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Nature Medicine 14, 712–713 (1 July 2008) | doi:10.1038/nm0708-712

Imatinib buys time for brain after stroke

Peter Rieckmann

If patients with ischemic stroke are fortunate, they may receive a dose of intravenous tPA within three hours after onset of symptoms. Mostly because of late referral to a stroke unit, up to 90% of patients don't get this drug, which helps to lyse vessel-obstructing blood clots.