Multicenter phase II study of S-1 monotherapy as second-line chemotherapy for advanced biliary tract cancer refractory to gemcitabine.
Sasaki
Takashi
T
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
Isayama
Hiroyuki
H
Nakai
Yousuke
Y
Mizuno
Suguru
S
Yamamoto
Keisuke
K
Yagioka
Hiroshi
H
Yashima
Yoko
Y
Kawakubo
Kazumichi
K
Kogure
Hirofumi
H
Togawa
Osamu
O
Matsubara
Saburo
S
Ito
Yukiko
Y
Sasahira
Naoki
N
Hirano
Kenji
K
Tsujino
Takeshi
T
Toda
Nobuo
N
Tada
Minoru
M
Omata
Masao
M
Koike
Kazuhiko
K