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Excessive reactive oxygen species (ROS) are the focus\u2010triggering factor of irreversible injury in ischemic regions, which result in harmful cascading effects to brain tissue, such as inflammation and microthrombus formation. In the present work, we designed nanodelivery systems (NDSs) based on MnO<jats:sub>2<\/jats:sub> loaded with Ginkgolide B (GB) for restoring the intracerebral microenvironment in ischemic stroke, such as ROS scavenging, O<jats:sub>2<\/jats:sub> elevation, thrombus inhibition and damage repair. GB can activate the endogenous antioxidant defense of cells by enhancing the nuclear factor\u2010E2\u2010related factor 2 (Nrf2) signalling pathway, thus protecting brain tissue from oxidative damage. However, the blood\u2013brain barrier (BBB) is also a therapeutic obstacle for the delivery of these agents to ischemic regions. MnO<jats:sub>2<\/jats:sub> nanoparticles have an inherent BBB penetration effect, which enhances the delivery of therapeutic agents within brain tissue. MnO<jats:sub>2<\/jats:sub>, with mimicking enzymatic activity, can catalyze the decomposition of overproduced H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> in the ischemic microenvironment to O<jats:sub>2<\/jats:sub>, meanwhile releasing platelet\u2010antagonizing GB molecules, thus alleviating cerebral hypoxia, oxidative stress damage, and microthrombus generation. This study may provide a promising therapeutic route for regulating the microenvironment of ischemic stroke through a combined function of ROS scavenging, microthrombus inhibition, and BBB penetration.<\/jats:p>","DOI":"10.1002\/cmdc.202200317","type":"journal-article","created":{"date-parts":[[2022,10,11]],"date-time":"2022-10-11T22:25:27Z","timestamp":1665527127000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Thrombus Inhibition and Neuroprotection for Ischemic Stroke Treatment through Platelet Regulation and ROS Scavenging"],"prefix":"10.1002","volume":"17","author":[{"given":"Hongbo","family":"Ye","sequence":"first","affiliation":[{"name":"Changchun Institute of Applied Chemistry Chinese Academy of Sciences  Changchun Jilin 130022 P. R. 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