April 14, 2023 — A new twist on a drug used to treat alcohol use disorder could double up as a treatment for stroke, the leading cause of disability and the third leading cause of death in the United States. Called “Carb” for short, this new formulation is designed to treat ischemic stroke, protect brain tissue against injury and minimize the size of a brain infarct. About 87 percent of all strokes are ischemic stroke, which occurs when a vessel supplying blood to the brain is obstructed.