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Abstract
Renal-cell carcinoma (RCC) remains a leading cause of cancer-related mortality worldwide. Though newer therapeutic combinations of immune checkpoint inhibitors and targeted therapies have greatly improved outcomes, resistance to these therapies is becoming a challenge for long-term control. Mechanisms of resistance have been explored in a variety of solid tumors, including RCC. Based upon our review of the current literature on the mechanisms of resistance to immunotherapies for the management of metastatic clear-cell renal cell carcinomas (mccRCC), the ensuing conclusions have been made:
The management of mccRCC has progressed substantially with the advent of checkpoint inhibitors and targeted oral therapies, alone and/or in combination.
Nevertheless, innate or developed resistance to these therapies remains an ongoing challenge, particularly to immune checkpoint inhibitors (ICIs).
Several of the known mechanisms of resistance have been well defined, but recent progression in cellular therapies helps to expand the armamentarium of potential combination options that may overcome these modes of resistance and improve long-term disease control and survival for an otherwise dismal disease.
In the ensuing review and update of the literature on the mechanisms of resistance to immunotherapies in mccRCC, we have revisited the known resistance mechanisms of immunotherapies in metastatic clear-cell RCC and explored ongoing and future strategies to overcome them.
Keywords
Metastatic clear-cell renal-cell carcinoma
/
immune therapy
/
checkpoint inhibitor resistance
/
chimeric antigen receptor T-cell therapy
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Monica Sheila Chatwal, Jad Chahoud, Philippe E. Spiess.
Revisiting mechanisms of resistance to immunotherapies in metastatic clear-cell renal-cell carcinoma.
Cancer Drug Resistance, 2023, 6(2): 314-26 DOI:10.20517/cdr.2023.09
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