- 1Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- 2Department of Breast Oncology, Peking University Cancer Hospital/Institute, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Beijing, China
- 3Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
Citation: Hu N, Zhu A, Si Y, Yue J, Wang X, Wang J, Ma F, Xu B and Yuan P (2021) A Phase II, Single-Arm Study of Apatinib and Oral Etoposide in Heavily Pre-Treated Metastatic Breast Cancer. Front. Oncol. 10:565384. doi: 10.3389/fonc.2020.565384
Received: 19 October 2020; Accepted: 14 December 2020;
Published: 15 February 2021; Retracted: 10 February 2026.
Edited by:
Hirokazu Tanino, Kobe University, JapanReviewed by:
Caigang Liu, ShengJing Hospital of China Medical University, ChinaDong-Xu Liu, Auckland University of Technology, New Zealand
Anjie Zhu1,2