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• CAR-T therapy offers durable remissions in refractory hematological malignancies. • Meta-analyses show significant efficacy in various hematologic cancers. • CAR T-cell therapy improves quality of life for blood cancer patients. • Encouraging results in CD22-targeting CAR T-cell therapy for B-cell malignancies. • Long-term studies reveal durable remissions but also persistent adverse effects. Chimeric Antigen Receptor T-cell (CAR-T) therapy has emerged as a groundbreaking and highly promising approach for the management of cancer. This paper reviews the efficacy of CAR-T therapy in the treatment of various hematological malignancies, also, with a mention of its effect on solid tumors, for which they have not received FDA approval yet. Different common and uncommon side effects are also discussed in this paper, with attention to the effect of each drug separately. By reviewing the recommendations of the FDA for CAR-T therapy research, we have extensively discussed dose-limiting toxicities. This further highlights the need for precise dosing strategies, striking a balance between therapeutic benefits and potential risks. Additionally, we reviewed the long-term follow-up of patients receiving CAR-T therapy to gain valuable insights into response durability and late-onset effects. [ABSTRACT FROM AUTHOR]

As cancer immunotherapies continue to expand across all areas of oncology, it is imperative to establish a standardized approach for defining and capturing clinically important toxicities, such as cytokine release syndrome (CRS). In this paper, we provide considerations for categorizing the variety of adverse events that may accompany CRS and for recognizing that presentations of CRS may differ among various immunotherapies (e.g. , monoclonal antibodies, CAR T cell therapies and T cell engagers, which can include bispecific antibodies and other constructs). The goals of this paper are to ensure accurate and consistent identification of CRS in patients receiving immunotherapies in clinical studies to aid in reporting; enable more precise evaluation of the therapeutic risk–benefit profile and cross-study analyses; support evidence-based monitoring and management of important toxicities related to cancer immunotherapies; and improve patient care and outcomes. These efforts will become more important as the number and variety of molecular targets for immunotherapies broaden and as therapies with novel mechanisms continue to be developed. [ABSTRACT FROM AUTHOR]

• Application and design strategy of different CAR cells in solid tumors. • Improving the CAR costimulatory domain architecture might overcome solid tumor immunosuppressive microenvironmental barriers. • CAR cell therapy will become an important part and the future direction of solid tumor immunotherapy. In addition to chimeric antigen receptor (CAR)-αβ T -cell therapy, CAR-NK, CAR-NKT, CAR-M and CAR-γδ T -cell therapy have gradually been applied to the treatment of solid tumors. Compared to hematological tumors, solid tumors have the characteristics of strong tumor heterogeneity, limited target antigen selection, and low T -cell infiltration to build immunosuppressive tumor microenvironment. These features would present great obstacles to CAR cell therapy. This paper comprehensively analyzed the application of different CAR cells to solid tumors and summarized the design principles of different CAR cells to provide the direction for the development of CAR cell therapy in solid tumors. [ABSTRACT FROM AUTHOR]