The majority of patients who relapsed on erlotinib were switched to chemotherapy. The tolerability of erlotinib was consistent with previous studies, he noted.
The Spanish Lung Cancer Group sponsored the trial. Dr. Rosell disclosed a consultant/advisory role with Roche. Two of his coauthors reported a similar role, with one also providing expert testimony for Roche. Dr. Mok disclosed relationships with several drug companies, including AstraZeneca, Roche, Boehringer Ingelheim, and Pfizer.