Trastuzumab deruxtecan (T-DXd; DS-8201) in patients (pts) with HER2-expressing unresectable or recurrent biliary tract cancer (BTC): An investigator-initiated multicenter phase 2 study (HERB trial).

Ohba, A; Morizane, C; Kawamoto, Y; Komatsu, Y; Ueno, M; Kobayashi, S; Ikeda, M; Sasaki, M; Furuse, J; Okano, N; Hiraoka, N; Yoshida, H; Kuchiba, A; Sadachi, R; Nakamura, K; Matsui, N; Nakamura, Y; Okamoto, W; Yoshino, T; Okusaka, T

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