Аннотация:To the Editor: In our Journal article that was published on April 30, 2015,1 we described the activity of rociletinib, an epidermal growth factor receptor (EGFR) inhibitor with specificity for the T790M mutation, in patients with EGFR mutation–positive lung cancer in the phase 1 TIGER-X trial. The key finding was a response rate of 59% (95% confidence interval [CI], 45 to 73) among 46 patients with biopsy-proven T790M-mediated resistance to previously administered EGFR inhibitors. In November 2015, Clovis Oncology issued a press release that contained updated data from a pooled cohort of patients from TIGER-X and TIGER-2 (another phase 2 . . .