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Poseida Therapeutics Provides Update on Phase 1 Trial of P-BCMA-101 at the 2020 American Society of Hematology Annual Meeting

Data from ongoing Phase 1 expansion trial using nanoplasmid demonstrated an improvement in efficacy over standard plasmid and a potentially best-in-class safety profile

SAN DIEGO, Dec. 5, 2020 /PRNewswire/ — Poseida Therapeutics, Inc. (NASDAQ:PSTX), a clinical-stage biopharmaceutical company utilizing proprietary gene engineering platform technologies to create cell and gene therapeutics with the capacity to cure, today reported results of an ongoing Phase 1 clinical trial of P-BCMA-101, an autologous chimeric antigen receptor T-cell (CAR-T) product candidate in relapsed/refractory multiple myeloma, during an oral presentation at the 2020 American Society of Hematology (ASH) Annual Meeting. The results show that patients treated with equivalent doses of product manufactured with a modified nanoplasmid process in the expanded Phase 1 trial achieved deeper responses while maintaining a similar safety profile compared to product manufactured with the Company’s legacy plasmid.