Oral podium presentation highlights data demonstrating a 79% overall response rate and complete responses in 43% of relapsed or refractory CD30-positive lymphomas treated with Tessa’s “off the shelf” CD30.CAR EBVST cell therapy (TT11X)
Therapy well tolerated with no dose-limiting toxicities or evidence of graft-versus-host-disease (GVHD) observedSINGAPORE, Dec 12 (Bernama-GLOBE NEWSWIRE) -- Tessa Therapeutics Ltd. (Tessa), a clinical-stage cell therapy company developing next-generation cancer treatments for hematological malignancies and solid tumors, today announced enhanced clinical data from an ongoing Phase 1 study (NCT04288726) of TT11X, an allogeneic “off the shelf” CD30.CAR-modified Epstein-Barr virus-specific T-cell (EBVST) therapy being co-developed by Baylor College of Medicine and Tessa. The results, detailed in an oral podium presentation at the 64th Annual Meeting of the American Society of Hematology (ASH) on December 10, demonstrated TT11X to be well-tolerated at all dosing levels, eliciting a 79% overall response rate and complete disappearance of tumor in six patients.
The podium presentation, entitled, “Evaluating Safety and Clinical Efficacy of Off-the-Shelf CD30.CAR-Modified Epstein-Barr Virus-Specific T cells in Patients with CD30+ Lymphoma,” reported data from 14 heavily pre-treated patients with advanced CD30-positive Hodgkin lymphoma who were administered TT11X across three dosing levels (4 × 10⁷ CD30.CAR EBVSTs, 1 × 10⁸ CD30.CAR EBVSTs, and 4 × 10⁸ CD30.CAR EBVSTs). An overall response rate of 79% (11/14 patients) was observed across all three dose levels, including six complete responses and six partial responses. The strongest responses were achieved in patients treated at the higher dose levels with additional infusions resulting in increasing effectiveness.
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