Background: The risk of a subsequent ischemic stroke in the first few months after an acute ischemic stroke or transient ischemic attack is approximately 5 to 10%. In these patients Aspirin has been used to prevent secondary ischemia, and trials have shown a reduced risk thereof when the P2Y12 receptor blocking antiplatelet agent Clopidogrel is … Continue reading The THALES Trial: Ticagrelor and Aspirin vs Aspirin Alone in Acute Ischemic Stroke or TIA