On May 19, 2021 Precision BioSciences, Inc. (Nasdaq: DTIL), a clinical stage biotechnology company developing allogeneic CAR T and in vivo gene correction therapies, reported that additional data from its Phase 1/2a study of PBCAR0191, the Company’s first generation, off-the-shelf allogeneic CAR T candidate targeting CD19 will be presented at the 2021 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Meeting being held virtually June 4-8, 2021 (Press release, Precision Biosciences, MAY 19, 2021, View Source [SID1234580255]).
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Abstracts are available and can be viewed on the ASCO (Free ASCO Whitepaper) web site at www.asco.org. Additional data including updated response rates, safety, and durability will be presented at the ASCO (Free ASCO Whitepaper) meeting.
Title: Preliminary safety and efficacy of PBCAR0191, an allogeneic, off-the-shelf CD19-targeting CAR T product, in relapsed/refractory (r/r) CD19+ NHL
Poster Session: Hematologic Malignancies—Lymphoma and Chronic Lymphocytic Leukemia, Abstract 7516
Date/Time: Friday, June 4, 2021 at 9:00 a.m. ET
Presenting Author: Bijal Shah, M.D., Moffitt Cancer Center
By February 1, 2021, 13 patients with R/R non-Hodgkin lymphoma (NHL) met study eligibility criteria and had received PBCAR0191 dose level 3 at 3×106 or equivalent with either standard lymphodepletion (sLD) (n=6)1 or enhanced lymphodepletion (eLD) (n=7)2. Of these patients, 77% had aggressive lymphomas and 62% had four or more courses of prior treatment. PBCAR0191 continued to demonstrate an acceptable safety profile with no cases of graft versus host disease, no cases of Grade ≥ 3 cytokine release syndrome, and no cases of Grade ≥ 3 immune effector cell-associated neurotoxicity syndrome.
"These results continue to confirm the activity of PBCAR0191 with strategies that mitigate rejection, and we look forward to sharing additional data in the poster and on our hosted conference call on June 4," said Alan List, M.D., Chief Medical Officer at Precision BioSciences. "While we continue to advance PBCAR0191 through its Phase 1/2a study, we eagerly await the clinical start of our next-generation, immune evading stealth cell technology with PBCAR19B, which includes modifications designed to enhance CAR T persistence and delay allogeneic immune rejection by T cells and natural killer cells."
Company-Hosted Conference Call and Web Cast Information
Precision will host a conference call and webcast on Friday, June 4, 2021 at 8:00 a.m. ET to review the most recent interim clinical data for PBCAR0191. The dial-in conference call numbers for domestic and international callers are (866) 996-7202 and (270) 215-9609, respectively. The conference ID number for the call is 5647916. Participants may access the live webcast and the accompanying presentation materials on Precision’s website www.precisionbiosciences.com in the Investors and Media section under Events and Presentations. An archived replay of the webcast will be available on Precision’s website.