Drug intelligence / Profile preview

EO2463 + rituximab

Development stage
Phase 2
Lead developer
Enterome
Modality
Peptide-based Cancer Vaccines → Cancer Vaccines → Therapeutic Vaccines → Vaccines & Immunotherapeutics, Monoclonal Antibodies → Antibody-Based Therapeutics
Administration
Subcutaneous, Intravenous
01

Overview

EO2463 + rituximab is a combination of a microbial-derived peptide therapeutic vaccine (EO2463) with rituximab, a monoclonal antibody targeting CD20. EO2463 is composed of four synthetically produced HLA-A2-restricted epitopes exhibiting molecular mimicry with B cell markers CD20, CD22, CD37, and CD268 (BAFF-receptor), plus a helper peptide derived from human telomerase reverse transcriptase (hTERT). The vaccine is designed to expand memory CD8+ T cells that cross-react with these B cell antigens, driving anti-tumor activity against B cell malignancies. Rituximab complements this approach through direct targeting and depletion of CD20+ B cells. This combination is under clinical investigation primarily for follicular lymphoma (FL) and marginal zone lymphoma (MZL) in phase 1/2 trials, aiming to enhance T cell and antibody-mediated anti-lymphoma effects. EO2463 is administered subcutaneously, while rituximab is given intravenously[1][3][5][7].

Other names
EO2463 + rituximab
02

Targets

CD20 (B-lymphocyte antigen CD20)CD22 (Cluster of Differentiation 22)TNFRSF13C (B-cell Activating Factor Receptor)CD37TERT (Telomerase)

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