RecruitingPhase 1Drug trialOsimertinib and Tegavivint as First-Line Therapy for the Treatment of Metastatic EGFR-Mutant Non-small Cell Lung CancerThis phase Ib trial is to find out the best dose, possible benefits and/or side effects of osimertinib and tegavivint as first-line therapy in treating patients with EGFR-mutant non-small cell lung cancer that has spread to other places in the body (metastatic). Osimertinib and tegavivint may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.