Stefan Kiesgen

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Antibody-drug conjugates (ADCs) have evolved as a new class of potent cancer therapeutics. We here report on the development of ADCs with specificity for the B-cell lineage specific (surface) antigen CD22 being expressed in the majority of hematological malignancies. As targeting moiety a previously generated humanized anti-CD22 single-chain variable(More)
Cytotoxic ribonucleases such as the leopard frog derivative Ranpirnase (Onconase(®)) have emerged as a valuable new class of cancer therapeutics. Clinical trials employing single agent Ranpirnase in cancer patients have demonstrated significant clinical activity and surprisingly low immunogenicity. However, dose-limiting toxicity due to unspecific uptake of(More)
Due to its frequent overexpression in a variety of solid tumors the epidermal growth factor receptor (EGFR) is a well-established target for therapeutic interventions in epithelial cancers. In order to target EGFR in head and neck cancer, we have generated a ribonuclease (RNase) fusion protein comprising a humanized anti-EGFR antibody single-chain Fv(More)
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