CytomX Therapeutics Presents Preclinical Data for mRNA Encoded Masked IL-12 Molecule in Collaboration with Moderna at AACR Annual Meeting

Core Insights - CytomX Therapeutics, in collaboration with Moderna, has announced promising preclinical data for an mRNA-encoded masked IL-12 therapeutic, which demonstrates significant anti-tumor activity and enhanced tolerability [1][2] Company Overview - CytomX Therapeutics is a clinical-stage biopharmaceutical company focused on developing conditionally activated, masked biologics aimed at localized treatment within the tumor microenvironment [3] - The company utilizes its proprietary PROBODY therapeutic platform to create safer and more effective cancer therapies [3] - CytomX's pipeline includes various therapeutic candidates such as CX-2051, a masked ADC targeting EpCAM, and CX-801, a masked interferon alpha-2b PROBODY cytokine [3] Collaboration and Technology - The collaboration with Moderna combines CytomX's PROBODY masking technology with Moderna's mRNA technology to create a selectively activated IL-12 therapeutic [2] - The new mRNA therapeutic is designed to minimize systemic activity while maximizing anti-tumor efficacy within the tumor microenvironment [2] Presentation Details - The preclinical data will be presented at the American Association for Cancer Research (AACR) Annual Meeting on April 28, 2025, under the title "An mRNA-encoded masked IL-12 improves systemic tolerability while maintaining anti-tumor efficacy in preclinical studies" [3]