<p>Catumaxomab (Korjuny<sup>®</sup>) is a first-in-class bispecific trifunctional rat-mouse hybrid monoclonal antibody currently under development with Lindis Biotech for malignant ascites, and bladder, gastric and ovarian cancers. It binds epithelial cell adhesion molecule (EpCAM) on tumour cells and CD3 on T cells, while its Fc domain engages Fcγ receptor-positive accessory cells, bringing immune and tumour cells into close proximity to enhance tumour cell killing through multiple immunological mechanisms. Initially approved in the EU on 20 April 2009 for malignant ascites in adults with EpCAM+ carcinomas when standard therapy was unavailable or no longer feasible, catumaxomab was marketed by Fresenius Biotech GmbH (later Neovii Biotech GmbH) before being withdrawn on 2 June 2017 for commercial reasons. Lindis Biotech later acquired the rights and pursued reapproval. On 11 February 2025, catumaxomab was approved in the EU for the intraperitoneal treatment of malignant ascites in adults with EpCAM+ carcinomas who are not eligible for further systemic anticancer therapy. This article summarizes the milestones in the development of catumaxomab leading to this new approval.</p>

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Catumaxomab: First Approval

  • Yahiya Y. Syed

摘要

Catumaxomab (Korjuny®) is a first-in-class bispecific trifunctional rat-mouse hybrid monoclonal antibody currently under development with Lindis Biotech for malignant ascites, and bladder, gastric and ovarian cancers. It binds epithelial cell adhesion molecule (EpCAM) on tumour cells and CD3 on T cells, while its Fc domain engages Fcγ receptor-positive accessory cells, bringing immune and tumour cells into close proximity to enhance tumour cell killing through multiple immunological mechanisms. Initially approved in the EU on 20 April 2009 for malignant ascites in adults with EpCAM+ carcinomas when standard therapy was unavailable or no longer feasible, catumaxomab was marketed by Fresenius Biotech GmbH (later Neovii Biotech GmbH) before being withdrawn on 2 June 2017 for commercial reasons. Lindis Biotech later acquired the rights and pursued reapproval. On 11 February 2025, catumaxomab was approved in the EU for the intraperitoneal treatment of malignant ascites in adults with EpCAM+ carcinomas who are not eligible for further systemic anticancer therapy. This article summarizes the milestones in the development of catumaxomab leading to this new approval.