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Peer-Reviewed Publication
ESMO Real World Data Digit Oncol2026;13100727.September 1, 2026Journal Article

A scoping review of real-world data sources for retrospective oncology analysis in Japan.

D Ng1, H Pittell2, I Nasu1, M Araki1, Q Zhang2, E Tajima1, A Sujenthiran3, B Adamson2
1Flatiron Health K.K., Tokyo Japan.
2Flatiron Health, New York, USA.
3Flatiron Health UK, London, UK.

Abstract

BACKGROUND: Cancer remains the leading cause of mortality in Japan, creating significant demand for high-quality real-world evidence to support clinical research and decision making. This study aims to provide a comprehensive overview of oncology studies using real-world data (RWD) in Japan, assessing the suitability of these data sources for oncology research. METHODS: Searches were conducted in…

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