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Antibody-drug conjugates in cancer therapy: innovations, challenges, and future directions

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Abstract

The emergence of antibody-drug conjugates (ADCs) as a potential therapeutic avenue in cancer treatment has garnered significant attention. By combining the selective specificity of monoclonal antibodies with the cytotoxicity of drug molecules, ADCs aim to increase the therapeutic index, selectively targeting cancer cells while minimizing systemic toxicity. Various ADCs have been licensed for clinical usage, with ongoing research paving the way for additional options. However, the manufacture of ADCs faces several challenges. These include identifying suitable target antigens, enhancing antibodies, linkers, and payloads, and managing resistance mechanisms and side effects. This review focuses on the strategies to overcome these hurdles, such as site-specific conjugation techniques, novel antibody formats, and combination therapy. Our focus lies on current advancements in antibody engineering, linker technology, and cytotoxic payloads while addressing the challenges associated with ADC development. Furthermore, we explore the future potential of personalized medicine, leveraging individual patients’ molecular profiles, to propel ADC treatments forward. As our understanding of the molecular mechanisms driving cancer progression continues to expand, we anticipate the development of new ADCs that offer more effective and personalized therapeutic options for cancer patients.

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Acknowledgements

This research has been supported by the Science and Engineering Research Board (SERB), India (EEQ/2020/000188). BioRender software was used to create the figures appended in this manuscript.

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Correspondence to Jasvinder Singh Bhatti.

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Kumari, S., Raj, S., Babu, M.A. et al. Antibody-drug conjugates in cancer therapy: innovations, challenges, and future directions. Arch. Pharm. Res. 47, 40–65 (2024). https://doi.org/10.1007/s12272-023-01479-6

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  • DOI: https://doi.org/10.1007/s12272-023-01479-6

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