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Osimertinib Versus Comparator EGFR TKI as First-Line Treatment for EGFR-Mutated Advanced NSCLC: FLAURA China, A Randomized Study

Open access
Cheng, Ying, He, Yong, Li, Wei, Zhang, He-long, Zhou, Qing, Wang, Buhai, Liu, Chunling, Walding, Andrew, Saggese, Matilde, Huang, Xiangning, Fan, Minhao, Wang, Jia, Ramalingam, Suresh S.·2021·Targeted Oncology

Abstract

BACKGROUND: In the global FLAURA study, first-line osimertinib, a third-generation irreversible tyrosine kinase inhibitor (TKI) of epidermal growth factor receptor (EGFR), significantly improved progression-free survival (PFS) and overall survival (OS) versus comparator EGFR TKIs in patients with EGFR mutation-positive (EGFRm) advanced non-small-cell lung cancer (NSCLC). OBJECTIVE: The FLAURA China study assessed first-line osimertinib in Chinese patients with EGFRm advanced NSCLC (NCT02296125). METHODS: FLAURA China was a double-blind, randomized, phase III study. Adults from mainland China with previously untreated EGFRm (Exon 19 deletion or L858R) advanced NSCLC were enrolled in the global study or a China-only study under the same protocol; 136 patients were randomized to osimertinib (80 mg once daily [od]; n = 71) or comparator EGFR TKI (gefitinib or erlotinib; all sites selected gefitinib 250 mg od; n = 65). Patients were randomized and allocated to treatment groups by a central computer system. Treatment continued until disease progression, unacceptable toxicity, or withdrawal of consent. The primary endpoint was investigator-assessed PFS; OS was a secondary endpoint. RESULTS: All 136 randomized patients were analyzed. Osimertinib extended median PFS by 8.0 months versus comparator EGFR TKI (17.8 vs. 9.8 months; hazard ratio [HR] 0.56; 95% confidence interval [CI] 0.37-0.85). Median OS was 33.1 months in the osimertinib group versus 25.7 months in the comparator group (HR 0.85; 95% CI 0.56-1.29). At 3 years, 20% of patients on osimertinib and 8% on the comparator remained on randomized treatment. Grade 3 or higher adverse events (AEs) were reported in 54 and 28% of patients in the osimertinib and comparator groups, respectively, driven by increased local reporting of laboratory- and disease-related AEs. No new safety signals were identified. CONCLUSIONS: First-line osimertinib treatment resulted in a clinically meaningful PFS and OS benefit versus comparator EGFR TKI in Chinese patients with EGFRm advanced NSCLC. Safety data were consistent with the known safety profile of osimertinib. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov NCT02296125, registered 20 November 2014.

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Metadata

Authors
Cheng, Y., He, Y., Li, W., Zhang, H.-L., Zhou, Q., Wang, B., Liu, C., Walding, A., Saggese, M., Huang, X., Fan, M., Wang, J., & Ramalingam, S. S.
Venue
Targeted Oncology
Published
2021-02-05
Volume
16
Issue
2
Pages
165-176
ISSN
  • 1776-2596 (ISSN-L)
  • 1776-260X
OpenAlex
W3128870202
Cited by
170
References
11
FWCI
14.75
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Osimertinib Versus Comparator EGFR TKI as First-Line Treatment for EGFR-Mutated Advanced NSCLC: FLAURA China, A Randomized Study. https://app.cochat.ai/papers/10.1007/s11523-021-00794-6
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Cheng, Y., He, Y., Li, W., Zhang, H.-L., Zhou, Q., Wang, B., Liu, C., Walding, A., Saggese, M., Huang, X., Fan, M., Wang, J., & Ramalingam, S. S. (2021). Osimertinib Versus Comparator EGFR TKI as First-Line Treatment for EGFR-Mutated Advanced NSCLC: FLAURA China, A Randomized Study. Targeted Oncology. https://doi.org/10.1007/s11523-021-00794-6

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