Interleukins-based immunotherapy has been adopted clinically and is actively investigated for the treatment of tumors. Current FDA-approved interleukin therapies are significantly limited by the short half-lives and systemic toxicities. Recent advances include interleukin fusion proteins with enhanced target specificity and effector function. Additionally, integration of synthetic interleukin signaling into chimeric antigen receptor (CAR)-T or T cell receptor (TCR)-T cells augments their activation and sustains effector persistence within the immunosuppressive tumor microenvironment (TME). Together, these strategies aim to potentiate anti-tumor immunity, enhance the specificity while minimizing systemic toxicity. Here, we review recent developments in interleukin-enhanced cancer immunotherapy and discuss existing challenges and potential research opportunities.
Li et al. (Mon,) studied this question.
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