Toshimitsu Hamasaki


Toshimitsu Hamasaki

Professor of Biostatistics and Bioinformatics


Toshimitsu Hamasaki is a Professor of the George Washington University Biostatistics Center and the Department of Biostatistics and Bioinformatics. His research interests include the design, monitoring, analyses, and reporting of clinical trials. He is the author of more than 200 peer-reviewed publications and four textbooks on statistical methods in clinical trials including "Sample Size Determination in Clinical Trials with Multiple Endpoints" and "Group-Sequential Clinical Trials with Multiple Co-Objectives".

Dr. Hamasaki is the Editor-in-Chief of Statistics in Biopharmaceutical Research, an Official Publication of the American Statistical Association (ASA). Also he currently serves as an Associate Editor or Editor for a couple of biostatistics or clinical trial journals including Contemporary Clinical Trials and Statistical Communications in Infectious Diseases. He served on ASA Committee on International Relation in Statistics (the Chair), Society for Clinical Trials (SCT) Program Committee (Co-Chair), and the Steering Committee for the Adaptive designs CONSORT Extension (ACE) Project, an extension to the CONsolidated Standards of Reporting Trials (CONSORT) Statement for adaptive clinical trials. He has served as an ad hoc grant reviewer and on data and safety monitoring boards for NIH-funded trials in Antibacterial Resistance and cardiovascular disease.

Dr. Hamasaki is an elected member of the International Statistical Institute and a fellow of the ASA. He received the Distinguished Article Award from the Japanese Society of Computational Statistics and Hidano Tadashi & Mizuno Kinji Award from the Behaviormetric Society of Japan.

Faculty Profile

Current BCS Projects

  • Antibacterial Resistance Leadership Group (ARLG)