RecruitingDrug trialA Study of Valemetostat Tosylate Plus Pembrolizumab Versus Pembrolizumab Alone in First-Line NSCLC Without Actionable Genomic AlterationsThis study will compare Valemetostat Tosylate Plus Pembrolizumab vs Pembrolizumab Alone in First-line NSCLC Without Actionable Genomic Alterations