Preferred Reporting Items For Systematic Reviews And Meta-Analysis (PRISMA) flow diagram of study selection. After screening the titles and abstracts of 1212 articles, 52 articles were considered relevant. Among them, 22 articles were excluded for various reasons; 30 articles were included in the analysis. ASCO, American Society of Clinical Oncology; ASH, American Society of Hematology, EHA, European Hematology Society.