AZD9291: Rationale and design of a phase II trial of osimertinib as first-line treatment for elderly patients with epidermal growth factor receptor mutation-positive advanced non-small cell lung cancer (SPIRAL-0 study)
AZD9291: Rationale and design of a phase II trial of osimertinib as first-line treatment for elderly patients with epidermal growth factor receptor mutation-positive advanced non-small cell lung cancer (SPIRAL-0 study)