Abstract
The Wilms' tumor 1 (WTI) protein has been shown to be a universal tumor antigen overexpressed in many tumors, including malignant mesothelioma and breast carcinoma. In view of the T cell immunogenicity of WTI-derived peptides, immunostimulatory dendritic cells loaded with WT1 antigen hold promise as a universal, yet patient-specific, polyepitope cancer vaccine to treat residual disease. Here, autologous monocyte-derived dendritic cells will be transfected with mRNA coding for the entire WT1 antigen and injected intradermally as a cellular cancer vaccine in mesothelioma and breast cancer patients as adjuvant treatment
after optimal debulking or after neo-adjuvant chemotherapy. In this project, we want to investigate the safety, feasibility and immunogenicity of such WTI-targeted cancer vaccine in an open-label phase I trial.
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