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Data quality assurance and quality control measures in large multicenter stroke trials: the African-American Antiplatelet Stroke Prevention Study experience

Published by National Institutes of Health | U.S. Department of Health & Human Services | Catalog Last Checked: July 31, 2026 at 09:21 PM | Dataset Last Updated: September 06, 2025
Data quality assurance and quality control are critical to the effective conduct of a clinical trial. In the present commentary, we discuss our experience in a large, multicenter stroke trial. In addition to standard data quality control techniques, we have developed novel methods to enhance the entire process. Central to our methods is the use of clinical monitors who are trained in the techniques of data monitoring.

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