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. These results give hope to stroke patients worldwide who may not be able to access clot-dissolving medications within the approved time window, which in China is within 4.5 hours, said the trial's principal...