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Abstract
The development of tumor-targeted therapies using monoclonal antibodies has been successful during the last 30 years. Nevertheless, the efficacy of antibody-based therapy is still limited and further improvements are eagerly awaited. One of the promising novel developments that may overcome the drawbacks of monoclonal antibody-based therapies is the employment of nanobodies. Current nanobody-based therapeutics can be divided into three different platforms with nanobodies functioning as: receptor antagonists; targeting moieties of effector domains; or targeting molecules on the surface of nanoparticles. In this article, we describe factors that affect their performance at three different stages: their systemic circulation upon intravenous injection; their extravasation and tumor penetration; and, finally, their interaction with target molecules.
Financial & competing interests disclosure
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
No writing assistance was utilized in the production of this manuscript