PMID- 34011336 OWN - NLM STAT- MEDLINE DCOM- 20211118 LR - 20220603 IS - 1471-2466 (Electronic) IS - 1471-2466 (Linking) VI - 21 IP - 1 DP - 2021 May 19 TI - Osimertinib versus afatinib in patients with T790M-positive, non-small-cell lung cancer and multiple central nervous system metastases after failure of initial EGFR-TKI treatment. PG - 172 LID - 10.1186/s12890-021-01539-x [doi] LID - 172 AB - BACKGROUND: The purpose of this study was to compare the efficacy of osimertinib (OSI) versus afatinib (AFA) in patients with T790M-positive, non-small-cell lung cancer (NSCLC) and multiple central nervous system (CNS) metastases after failure of initial epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) treatment. METHODS: Consecutive patients with T790M-positive NSCLC and multiple CNS metastases after failure of initial EGFR-TKI treatment were retrospectively identified from our medical institution during 2016-2018 and underwent either oral 80 daily OSI or oral 40 daily AFA every 3 weeks for up to 6 cycles, until disease progression, intolerable adverse events (AEs), or death. The co-primary endpoints were overall survival (OS) and progression-free survival (PFS). RESULTS: The cohort consisted of 124 patients (OSI: n = 60, mean age = 64.24 years [SD: 12.33]; AFA: n = 64, mean age = 64.13 years [SD: 13.72]). After a median follow-up of 24 months (range, 3 to 28), a significant improvement in OS was detected (hazard ratio [HR] 0.59, 95% confidence interval [CI], 0.39-0.91; p = 0.0160; median, 13.7 months [95% CI, 11.1-14.8] for OSI vs 9.6 months [95% CI, 8.4-10.2] for AFA). The median duration of PFS was significantly longer with OSI than with AFA (HR 0.62; 95% CI, 0.41-0.91; p = 0.014; median, 4.5 months [95% CI, 3.5-5.7] vs 3.9 months [95% CI, 3.1-4.8]). The proportion of grade 3 or higher adverse events (AEs) was lower with OSI (22.4%) than with AFA (39.4%). CONCLUSIONS: In patients with T790M-positive NSCLC and multiple CNS metastases after failure of initial EGFR-TKI treatment, OSI may be associated with significantly improved survival benefit compared with AFA, with a controllable tolerability profile. FAU - Yang, Yang AU - Yang Y AD - Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Department of Medical Oncology, Affiliated Hospital of Hebei University, No. 212, Yuhua Dong Road, Lianchi District, Baoding, 071000, Hebei Province, China. FAU - Liu, Qilong AU - Liu Q AD - Department of Gastrointestinal Surgery, The First Affiliated Hospital, Sun Yat-Sen University, No. 58, Zhongshan 2nd Road, Yuexiu District, Guangzhou, 510080, China. FAU - Cao, Lei AU - Cao L AD - Department of Anaesthesiology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China. FAU - Sun, Wei AU - Sun W AD - Department of Anaesthesiology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, China. FAU - Gu, Xiaowei AU - Gu X AD - Department of Head and Neck Surgery, Affiliated Hospital of Hebei University, No. 212, Yuhua Dong Road, Lianchi District, Baoding, 071000, Hebei Province, China. FAU - Liu, Bin AU - Liu B AD - Central Laboratory, Affiliated Hospital of Hebei University, No. 212, Yuhua Dong Road, Lianchi District, Baoding, 071000, Hebei Province, China. FAU - Xiao, Na AU - Xiao N AD - Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Department of Medical Oncology, Affiliated Hospital of Hebei University, No. 212, Yuhua Dong Road, Lianchi District, Baoding, 071000, Hebei Province, China. FAU - Teng, Fei AU - Teng F AD - Department of Radiotherapy, Affiliated Hospital of Hebei University, No. 212, Yuhua Dong Road, Lianchi District, Baoding, 071000, Hebei Province, China. FAU - Li, Xiaoli AU - Li X AD - Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Department of Medical Oncology, Affiliated Hospital of Hebei University, No. 212, Yuhua Dong Road, Lianchi District, Baoding, 071000, Hebei Province, China. lxl800002@163.com. FAU - Chen, Meiji AU - Chen M AD - Department of Pediatrics, The First Affiliated Hospital, Sun Yat-Sen University, No. 58, Zhongshan 2nd Road, Yuexiu District, Guangzhou, 510080, China. FAU - Yu, Weiguang AU - Yu W AD - Department of Orthopaedics, The First Affiliated Hospital, Sun Yat-Sen University, No. 58, Zhongshan 2nd Road, Yuexiu District, Guangzhou, 510080, China. FAU - Lin, Huanyi AU - Lin H AD - Department of Urinary Surgery, The First Affiliated Hospital, Sun Yat-Sen University, No. 58, Zhongshan 2nd Road, Yuexiu District, Guangzhou, 510080, China. linhyi2@mail.sysu.edu.cn. FAU - Xu, Guixing AU - Xu G AD - Department of Neurosurgery, The First Affiliated Hospital, Sun Yat-Sen University, No. 58, Zhongshan 2nd Road, Yuexiu District, Guangzhou, 510080, China. xuguix@mail.sysu.edu.cn. LA - eng PT - Journal Article DEP - 20210519 PL - England TA - BMC Pulm Med JT - BMC pulmonary medicine JID - 100968563 RN - 0 (Acrylamides) RN - 0 (Aniline Compounds) RN - 0 (Protein Kinase Inhibitors) RN - 3C06JJ0Z2O (osimertinib) RN - 41UD74L59M (Afatinib) RN - EC 2.7.10.1 (ErbB Receptors) SB - IM MH - Acrylamides/*therapeutic use MH - Afatinib/*therapeutic use MH - Aged MH - Aniline Compounds/*therapeutic use MH - Brain Neoplasms/*drug therapy/genetics/secondary MH - Carcinoma, Non-Small-Cell Lung/*drug therapy/genetics/pathology MH - ErbB Receptors/genetics MH - Female MH - Humans MH - Lung Neoplasms/*drug therapy/genetics/pathology MH - Male MH - Middle Aged MH - Mutation MH - Protein Kinase Inhibitors MH - Retrospective Studies MH - Survival Analysis PMC - PMC8135149 OTO - NOTNLM OT - Afatinib OT - Central nervous system OT - Metastases OT - Non-small-cell lung cancer OT - Osimertinib OT - Survival COIS- The authors declare that they have no competing interests. EDAT- 2021/05/21 06:00 MHDA- 2021/11/19 06:00 PMCR- 2021/05/19 CRDT- 2021/05/20 05:38 PHST- 2020/12/27 00:00 [received] PHST- 2021/05/11 00:00 [accepted] PHST- 2021/05/20 05:38 [entrez] PHST- 2021/05/21 06:00 [pubmed] PHST- 2021/11/19 06:00 [medline] PHST- 2021/05/19 00:00 [pmc-release] AID - 10.1186/s12890-021-01539-x [pii] AID - 1539 [pii] AID - 10.1186/s12890-021-01539-x [doi] PST - epublish SO - BMC Pulm Med. 2021 May 19;21(1):172. doi: 10.1186/s12890-021-01539-x.