As a pivotal drug in the treatment of NSCLC (NSCLC), osimertinib (the drug) has emerged in the realm of cancer research.osimertinib (the drug) first phase, often referred to as the first phase of research trials for osimertinib (the drug), has been a key achievement in understanding its efficacy and safety record.Highlighting key findings and identifying four critical areas of need within the ongoing RD (research and development) process, this article explores the complexities of osimertinib (the drug) first phase.The first demand in the current investigations of osimertinib (the drug) first…