AbelZeta Announces Promising Long-Term Outcomes for C-CAR039, a Novel CD19/CD20 Bi-Specific CAR-T Therapy, in Patients with R/R B NHL at EHA 2025
The study evaluated the safety and efficacy of C-CAR039, a novel anti-CD19/CD20 bi-specific CAR-T therapy. The dual-targeting approach to both CD20 and CD19 antigens aims to enhance therapeutic efficacy and reduce the likelihood of antigen escape, a common mechanism of resistance in B-cell malignancies.
Key Findings:
The overall response rate (ORR) and complete response (CR) rate were 91.5% and 85.1%, respectively for all patients
Among the 43 LBCL pts, ORR and CR were 90.7% and 86.0%, respectively
With a median follow-up of 45.5 months (range, 3.1–62.8), the median duration of response (DOR), progression-free survival (PFS), and overall survival (OS) were not reached
KM estimates of 48-m PFS rate are 52.5% for all patients and 53.4% for LBCL patients, respectively
KM estimates of 48-m OS rate are 65.4% for all patients and 66.7% for LBCL patients, respectively
Safety Highlights:
CRS of any grade: 93.8% | Grade ≥3: 2.1%
ICANS of any grade: 6.3% | No severe cases (Grade ≥3) reported
No new safety signals were observed with longer follow-up
C-CAR039 has continued to show an excellent safety profile and deep and durable responses in R/R B-NHL patients, especially in those with R/R LBCL. These results continue to provide strong support for the curative potential of C-CAR039 as a next-generation therapy for R/R B-NHL. Late-stage clinical development is ongoing.
"The long-term clinical outcomes data for C-CAR039 are highly encouraging, demonstrating sustained responses in patients with relapsed or refractory B-cell non-Hodgkin lymphoma," said Tony (Bizuo) Liu, Chairman and Chief Executive Officer of AbelZeta. "These results underscore our commitment and corporate goal to develop transformative therapies that address significant unmet medical needs in cancer."
Dr. Yihong Yao, Chief Scientific Officer of AbelZeta, commented, "The strong clinical results of C-CAR039 demonstrate the added value of targeting CD20 in addition to CD19 in aggressive B-NHL. By addressing the limitations of single-antigen therapies - such as CD19 antigen escape - C-CAR039 enables deeper tissue penetration and more complete B-cell depletion. The durable responses observed support the continued advancement of C-CAR039 as a promising new treatment for patients with aggressive B-cell malignancies."
For more information on the study and access to the poster presentation, please visit the EHA Library poster here.
AbelZeta previously presented 30-month Phase 1 clinical trial results at the 65th American Society of Hematology (ASH) Annual Meeting in December 2023, through oral presentation #1025, as well as at EHA 2024, through poster presentation #P1475. The data with 30 months follow up was published in Blood 2025 Apr 3;145(14):1526-1535.
AbelZeta Inc. (formerly known as Cellular Biomedicine Group, Inc.), entered into a worldwide collaboration and licensing agreement with Johnson & Johnson* in 2023 to develop and commercialize next-generation CAR-T cell therapies (excluding Greater China). The Phase 1 study for C-CAR039 was conducted by AbelZeta in China for the treatment of patients with B-cell non-Hodgkin lymphoma. Johnson & Johnson is evaluating the safety and efficacy of this asset (known as JNJ-90014496 outside of Greater China) through a separate study involving a global patient population. Phase 1b data for JNJ-90014496 were presented at EHA 2025 on Friday, June 13, informing the recommended Phase 2 dose and an initial assessment of safety, efficacy and pharmacokinetics in R/R LBCL patients. For more information, please visit Johnson and Johnson website: https://www.jnj.com/media-center/press-releases/johnson-johnsons-dual-targeting-car-t-cell-therapy-shows-encouraging-first-results-in-large-b-cell-lymphoma.
*The legal entity to the worldwide collaboration and license agreement is Janssen Biotech, Inc., a Johnson & Johnson company.
About AbelZeta Pharma, Inc.AbelZeta is a global clinical-stage biopharmaceutical company with centers of excellence in Rockville, Maryland and Shanghai, China. AbelZeta is focusing on developing innovative and proprietary cell-based therapeutic products and is committed to ushering in bespoke treatments that harness the body's own immune system to fight against hematological malignancies and solid tumors, as well as inflammatory and immunological diseases. AbelZeta advances research and development in its own GMP facilities at its centers of excellence for early-stage clinical studies, with a pipeline comprised of CAR-T therapies.
Forward-Looking StatementsStatements in this communication relating to plans, strategies, specific activities, and other statements that are not descriptions of historical facts are forward-looking statements. Forward-looking information is inherently subject to risks and uncertainties, and actual results could differ materially from those currently anticipated due to a number of factors, which include any risks detailed from time to time in the Company's reports. Such statements are based on the management's current beliefs and expectations and are subject to significant risks and uncertainties outside of management and the Company's control. Given these uncertainties, you should not place undue reliance on these forward-looking statements, which speak only as of the date hereof. Except as otherwise required by law, the Company does not undertake any obligation, and expressly disclaims any obligation, to update, alter or otherwise revise any forward-looking statements, whether written or oral, that may be made from time to time, whether as a result of new information, future events or otherwise.
Company Contact:Sarah KellyDirector of CommunicationsAbelZeta Pharma, Inc.+1 (240) 552 5870sarah.kelly@abelzeta.comwww.abelzeta.com
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SOURCE AbelZeta Pharma, Inc.
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