Considering hyperglycemia and thrombolysis in the Stroke Hyperglycemia Insulin Network Effort (SHINE) trial

Hyperglycemia is associated with enhanced cortical toxicity and larger infarct volumes following focal cerebral ischemia. Initial blood glucose in acute ischemic stroke patients may also contribute to a differential response to thrombolysis (i.e., administration of tissue plasminogen activator (t‐PA)) and affect risk of symptomatic intracerebral hemorrhage (sICH). The Stroke Hyperglycemia Insulin Network Effort (SHINE) study is a phase III single‐blinded, randomized control trial comparing an intensive level of glucose control with standard of care glucose control in hyperglycemic stroke patients. In stratifying randomization by treatment with intravenous t‐PA, the SHINE trial offers a unique opportunity to evaluate an association between euglycemic control and outcomes from stroke thrombolysis in a prospective, comparative study. We hypothesize that normalization of blood glucose in the acute stroke setting may reduce risk of thrombolysis‐induced sICH. With enrollment recently underway, the stratified results from the SHINE trial could substantially influence future treatment decisions for hyperglycemic stroke patients.

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