Targeted T-cell therapy for treatment of multiple myeloma

Abstract

Provided herein are activated adoptive T-cell compositions targeting plasma cell dyscrasias such as multiple myeloma and methods of treating plasma cell dyscrasias such as multiple myeloma using such compositions. The T-cell compositions of the present disclosure are activated against a select group of antigens associated with multiple myeloma (MMAAs) and, in certain embodiments, in combination with more widely expressed tumor associated antigens (TAAs). In particular, the T-cell compositions of the present disclosure are directed to the MMAAs selected from B-cell maturation antigen (BCMA), X box Protein 1 (XBP1), CS1, and Syndecan-1 (CD138), or a combination thereof. In certain embodiments, the T-cell composition includes T-cells activated to a TAA selected from preferentially expressed antigen of melanoma (PRAME), Survivin, Wilms' Tumor 1 protein (WT1), and melanoma antigen 3 (MAGE-A3), or a combination thereof.

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