Sep 5, 2021

Anti-CD7 CAR-T Therapy Yields High Response Rate in Acute Leukemia

Posted by in category: biotech/medical

Donor-derived anti-CD7 chimeric antigen receptor (CAR) T-cell therapy led to complete responses in 18 of 20 patients with relapsed or refractory (r/r) T-cell acute lymphoblastic (ALL), a first-in-human clinical trial showed.

After a median follow-up of 6.3 months, 15 of the 18 responding patients remained in remission, and seven patients had undergone stem-cell transplantation (SCT). All patients developed cytokine release syndrome (CRS), which was grade 1/2 in most instances. Because the therapy involved unmanipulated T cells, a majority of patients developed graft-versus-host disease (GVHD), grade 1/2 severity in all cases. All of the patients developed severe cytopenias, which were manageable.

The results provided the basis for an ongoing phase II trial of the donor-derived anti-CD7 therapy, reported Jing Pan, MD, of the State Key Laboratory of Experimental Hematology and Beijing Boren Hospital in China, and colleagues in the Journal of Clinical Oncology.

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