Clot-busting meds may be effective up to 24 hours after initial stroke symptoms

The clot-dissolving medication, alteplase, improved stroke patients' recovery by more than 50% when given up to 24 hours after the beginning of an ischemic stroke, according to preliminary late-breaking science presented today at the American Stroke Association's International Stroke Conference 2025. The conference, in Los Angeles, Feb. 5-7, 2025, is a world premier meeting for researchers and clinicians dedicated to the science of stroke and brain health.

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