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pp65-LAMP mRNA vaccine

Development stage
Phase 1
Lead developer
University of Florida
Modality
Cell Therapies, mRNA Therapeutics → RNA Therapeutics → Nucleic Acid Therapeutics, Vaccines & Immunotherapeutics
Administration
Subcutaneous
01

Overview

The **pp65-LAMP mRNA vaccine** is an investigational cancer immunotherapy consisting of mRNA encoding the cytomegalovirus (CMV) pp65 protein fused to lysosomal-associated membrane protein (LAMP), loaded into autologous dendritic cells (DCs) or monocytes via electroporation. Developed primarily by researchers at the University of Florida and Duke University, it targets CMV antigens expressed in glioblastoma multiforme (GBM) tumors to elicit antitumor CD4+ and CD8+ T-cell responses. The LAMP fusion enhances MHC class II presentation, promoting robust cellular immunity during lymphodepletion from dose-intensified temozolomide (DI-TMZ). Administered subcutaneously with GM-CSF adjuvant post-standard chemoradiation, it has shown feasibility, safety, and immune activation in phase I/II trials, with potential survival benefits in newly diagnosed GBM.[1][7][11]

Other names
CMV pp65-LAMP mRNA vaccineHuman CMV pp65-LAMP mRNA-pulsed autologous DCsautologous CMV-pp65-LAMP mRNA-loaded dendritic cell vaccineautologous CMV-pp65-flLAMP mRNA loaded dendritic cell vaccineautologous CMV-pp65-LAMP mRNA-loaded monocyte vaccine MT-201-GBM
02

Targets

CMV-TCR (Cytomegalovirus-specific T-cell receptor)

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