Chimeric antigen receptor and T-cell receptor (CAR-T/TCR) cellular immunotherapies have shown remarkable success in the treatment of some refractory B-cell malignancies, with potential to provide durable clinical response for other types of cancer. In this paper, we look at all available FDA CAR-T/TCR clinical trials for the treatment of cancer, and analyze them with respect to different indications, targeted antigens, products, and originator locations. We found that 448 of 679 registered are currently active and of those 195 (41%) originated in China and 198 (47%) in the US. Our analysis suggests that the rapid increase in the number of clinical trials is driven by the development of different CAR-T products that use a similar therapeutic approach. We coin the term bioparallels to describe such products. Our results suggest that one feature of the CAR-T/TCR industry may be a robust response to success and failure of competitor products.
Download the Tracking the CAR-T revolution: Analysis of clinical trials of CAR-T and TCR therapies for the treatment of cancer whitepaper
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