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Key Record Dates Identifier: NCT03309462
Brief Title: Analysis of Re-biopsy Specimens in Advanced NSCLC With Acquired Resistance of EGFR-TKI Targeted Therapy

First Submitted : October 10, 2017
First Submitted that Met QC Criteria : October 10, 2017
First Posted : October 13, 2017

Last Update Submitted that Met QC Criteria : December 6, 2019
Last Update Posted : December 9, 2019