// Corporate summary: About eTheRNA immunotherapies NV

Press information

eTheRNA immunotherapies NV is a clinical-stage company delivering innovative cancer immunotherapies from its proprietary mRNA-based TriMix platform. eTheRNA’s goal is to commercialize these immunotherapies to deliver long lasting clinical remission to cancer patients. eTheRNA was established in January 2013 as a spin-off from the VUB university in Belgium

eTheRNA was established in January 2013 as a spin-off company from the ‘Vrije Universiteit Brussel’ (VUB), following the development of its TriMix mRNA technology.

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// Frequently Asked Questions

FAQ

eTheRNA’s TriMix contains three naked mRNA molecules that combined work as a potent T-cell vaccine adjuvant:

  1. caTLR4: Activates the immune system as it evokes dendritic cells to present antigens to the CD4/CD8 T-cells
  2. CD40L: Induces the dendritic cells to initiate the antigen-specific action of the CD4 T-cells
  3. CD70: Induces the dendritic cells to initiate the immune systems of the CD8 T-cells

TriMix is unique in the way it uses these three mRNA molecules to induce the proliferation of T-cells into either mature helper T-cells or cytotoxic T-cells – the ultimate ‘soldiers’ of the immune system that fight cancer cells and infectious agents. By combining TriMix with tumor-specific antigens or neoantigens the patient’s dendritic cells are stimulated to produce a more potent and larger population of antigen specific cytotoxic and helper T-cells compared to tumor antigens alone.

eTheRNA LNPs for intravenous delivery of mRNA have been show to exert first-in-class immune T-cell-specific responses in preclinical experiments. The induced immune responses are multifunctional and boostable. These premium results was achieved by optimizing the composition of the LNPs and designing them to target the spleen and not mainly the liver.

eTheRNA distinguishes itself from competitors on different levels:

  • Our general vaccine mRNA platform is unique as it uses our proprietary TriMix, a potent T-cell vaccine adjuvant, in combination with eTheRNA’s proprietary LNPs induces first-in-class vaccine-specific immune responses.
  • eTheRNA is the only clinical-stage mRNA company developing an intranasal mRNA vaccine platform. This platform is aimed to induce mucosal T cell immunity which is key to prevent lower respiratory tract infections.
  • Whereas competitors focus on short-lived antibody responses with limited cross reactivity in the development of their SARS-CoV-2 vaccine, eTheRNA is developing a vaccine with a long-lived T cell response and significant cross reactivity.
  • We are developing mRNA-based products mimicking the action of oncolytic viruses. This modality offers opportunities to develop products with cell-lytic, tumor microenvironment modifying and immune stimulating properties without the disadvantages of oncolytic viruses.

// eTheRNA

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