This NOFO encourages applications for multi-site exploratory and confirmatory clinical trials focused on promising interventions; biomarker or outcome measure validation studies that are immediately preparatory to trials in stroke prevention, treatment, and recovery; and ancillary studies designed to add scientific aims to active studies being conducted within StrokeNet. Successful applicants will collaborate and conduct the study within the NIH StrokeNet. Following peer review, NINDS will prioritize studies among...