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IL12 immune therapy clinical trial review: Novel strategies for avoiding CRS-associated cytokines

Zhiliang Jia1, Dristhi Ragoonanan1, Kris Michael Mahadeo1

  • 1Department of Pediatric Research, University of Texas MD Anderson Cancer Center, Houston, TX, United States.

Frontiers in Immunology
|October 7, 2022
PubMed

Interleukin 12 (IL-12) is a naturally occurring cytokine that plays a key role in inducing antitumor immune responses, including induction of antitumor immune memory. Currently, no IL-12-based therapeutic products have been approved for clinical application because of its toxicities. On the basis of this review of clinical trials using primarily wild-type IL-12 and different delivery methods, we conclude that the safe utilization of IL-12 is highly dependent on the tumor-specific localization of IL-12 post administration. In this regard, we have developed a cell membrane-anchored and tumor-targeted IL-12-T (attIL12-T) cell product for avoiding toxicity from both IL-12 and T cells-induced cytokine release syndrome in peripheral tissues. A phase I trial using this product which seeks to avoid systemic toxicity and boost antitumor efficacy is on the horizon. Of note, this product also boosts the impact of CAR-T or TCR-T cell efficacy against solid tumors, providing an alternative approach to utilize CAR-T to overcome tumor resistance.

Keywords:
CRSIL-12T cellsclinical trialcytokines

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