Categories: CancerNews

Medigene to Present Data Highlighting the Enhanced Tumor Cell Killing Effects of Adding the PD1-41BB Switch Receptor to Multiple TCR-T Therapies at the Immuno-Oncology Summit Europe

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Planegg/Martinsried, June 14, 2023.  Medigene AG (Medigene, FSE: MDG1, Prime Standard), an immuno-oncology platform company focusing on the discovery and development of T cell immunotherapies for solid tumors, will be presenting at the 7th annual Immuno-Oncology Summit Europe which will take place June 20-22, 2023 in London, UK.

The data to be presented provide an overview on the enhanced activity of T cell receptor engineered T cell (TCR-T) therapy seen with the combination of the PD1-41BB switch receptor with T cell receptors (TCRs) specific for different target antigens. Irrespective of the target antigen specificity, TCRs combined with the PD1-41BB switch receptor displayed superior T cell functionality in vitro and increased T cell efficacy in vivo as compared to TCR-T cells without the switch receptor (“naked” TCR).

Details on the oral presentation are as follows:

Title: “PD1-41BB Switch Receptor Technology Added to TCR-Ts Further Enhances Antitumor Activity in vitro and in vivo compared to TCR alone”

Speaker: Dr. Barbara Lösch

Section: Preclinical and Clinical Updates on TCS and TILs

Date/Time: Thursday, June 22, 2023, 1:50 pm – 2:20 pm local time

— end of press release —

About Medigene
Medigene AG (FSE: MDG1) is an immuno-oncology platform company dedicated to developing T cell therapies to effectively eliminate cancer. Its end-to-end technology platform, built on multiple proprietary and exclusive product development and product enhancement technologies, allows Medigene to create best-in-class differentiated, T cell receptor engineered T cell (TCR-T) therapies for multiple solid tumor indications that are optimized for both safety and efficacy. This platform provides product candidates for both its in-house therapeutics pipeline and partnering. For more information, please visit www.medigene.com

About Medigene’s End-To-End Platform
Medigene’s immunotherapies help activate the patient’s own defense mechanisms by harnessing T cells in the battle against cancer. Medigene’s end-to-end platform combines multiple exclusive and proprietary technologies to create best-in-class TCR-T therapies. The platform includes multiple product enhancement technologies, (e.g., PD1-41BB Switch Receptor, CD40L-CD28 Switch Receptor, Precision Pairing) and development optimization technologies (e.g., Allogeneic-HLA (Allo-HLA) TCR Priming) to aid the development of differentiated TCR-T therapies. Partnerships with multiple companies including BioNTech, 2seventy bio, and Hongsheng Sciences, continue to validate the platform’s assets & technologies.

About PD1-41BB Costimulatory Switch Receptor

Checkpoint inhibition via PD-1/PD-L1 pathway:

Cells of solid tumors are sensitive to killing by activated T cells but can escape this killing activity by producing inhibitory molecules known as ‘checkpoint proteins’, such as the Programmed Death Ligand 1 (PD-L1), on their surface. When this occurs, activated T cells which express PD-1, the natural receptor for PD-L1, are inactivated. The expression of PD-L1 is an adaptive immune resistance mechanism for tumors that can help them survive and grow.

The 4-1BB (CD137) costimulatory signaling pathway:

Effective T cell immune responses to antigens typically require both a primary antigenic stimulation via the T cell receptor (TCR) and costimulatory signals. The intracellular signaling domains of the 4-1BB protein offer a well-characterized pathway to costimulation and enhanced T cell responses.

Medigene’s PD1-41BB switch receptor turns the tumor’s attempted self-defense mechanism against the tumor by substituting the inhibitory signaling domain of PD-1 with the activating signaling domain of 4-1BB. Therefore, instead of inactivating T cells, the switch receptor delivers an activating signal to TCR-T cells. PD1-41BB-modified TCR-T cells proliferate strongly in the presence of PD-L1-positive tumor cells and kill more tumor cells upon repeated exposure. Additionally, switch receptor signals enable TCR-T cells to function better with low levels of glucose or high levels of TGFß, two conditions characteristic of strongly hostile tumor microenvironments.

This press release contains forward-looking statements representing the opinion of Medigene as of the date of this release. The actual results achieved by Medigene may differ significantly from the forward-looking statements made herein. Medigene is not bound to update any of these forward-looking statements. Medigene® is a registered trademark of Medigene AG. This trademark may be owned or licensed in select locations only.

Medigene

Pamela Keck
Phone: +49 89 2000 3333 01
E-mail: investor@medigene.com

LifeSci Advisors

Sandya von der Weid
Phone: +41 78 680 05 38
E-mail: svonderweid@lifesciadvisors.com

In case you no longer wish to receive any information about Medigene, please inform us by e-mail (investor@medigene.com). We will then delete your address from our distribution list.

Staff

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