Plasma pre-treatment T790M relative allelic frequency in patients with advanced EGFR-mutated non-small cell lung cancer predicts treatment response to subsequent-line osimertinib

Pei N. Ding, Tara L. Roberts, Wei Chua, Therese M. Becker, Nicole Caixeiro, Paul de Souza, Bo Gao, Chee K. Lee, Malinda Itchins, Helen Westman, Stephen Clarke, Prunella Blinman, Steven Kao, Tom John, Jose L. Leal, Victoria J. Bray