Efficacy, safety and cost-effectiveness of CAR-T therapy.
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Chimeric Antigen Receptors (CAR) T-cell therapy is a ground-breaking discovery in immunotherapy, mainly known for its exceptional results in treating haematological malignancies. The latest research has revealed that the potential of CAR T-cell therapy extends far beyond its current capabilities and could represent a novel therapeutic approach for treating various cancers. This review aims to summarize the latest innovations in CAR T-cell therapy applied in cancer treatment, including multiple myeloma, osteosarcoma, glioblastoma, melanoma and various childhood malignancies. However, several challenges limit success of CAR T-cell therapy, including the antigen escape phenomenon, 'on-target off-tumour' toxicity, penetration into solid tumour tissue, alongside the cost-effectiveness concerns. The improvement of cancer immunotherapies currently available requires an increase in the effectiveness of CAR T-cells in managing refractory and solid cancers. This could be achieved by using CAR T-cells to target various antigens, enhancing their local delivery and tumour infiltration capabilities and utilizing CAR T-cells in combination with checkpoint blockade and immunotherapy, such as PD-1 blockade and CD19 CAR T-cell combined therapy. Although CAR T-cell treatment offers a lot of promise, its cost needs to be taken into account, especially in healthcare systems with limited funding. More importantly, frameworks for Health Technology Assessment (HTA) must adapt to incorporate ethical, sociological and psychological aspects. Reducing CAR T-cell toxicity is also essential, as it remains among biggest obstacles to their widespread application in clinical practice. Future research should therefore focus on enhancing our understanding of CAR T-cell therapy and expanding the application of immunotherapy in treatment.