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Author

Ryo Sawamoto

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Open access Sep 2026

A Frequentist Approach Using Weighted Estimating Equations for Survival Analysis of Randomized Controlled Trial With External Control Arm.

Clinical trials using a hybrid control, which integrates a randomized control with external control data, may be one solution to facilitate clinical development where traditional randomized controlled trials are challenging. Despite its attractive features, systematic differences between controls can introduce bias in...

Ryo Sawamoto, Koji Oba, Y. Matsuyama · 0 citations

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