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Updated: Nov 29, 2025

A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
Published on: April 12, 2017
Immunotherapeutic Targets and Therapy for Renal Cell Carcinoma
Pierangela Sepe1, Alessia Mennitto1, Francesca Corti1
1Genitourinary Cancer Unit, Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
Abstract:
Over the last 20 years, different therapies have been considered as the mainstay for the treatment of patients with metastatic renal cell carcinoma (mRCC). Since angiogenesis is a key mechanism in the pathogenesis of renal carcinoma, research is still focusing on the inhibition of new vessel growth through the development of novel and potent tyrosine kinase inhibitors (TKIs), such as cabozantinib. On the other hand, a new therapeutic scenario has opened up in the forefront with immunotherapy. Immune checkpoint inhibitors (ICIs), which already represent a standard treatment option in pretreated mRCC patients, are revolutionizing the frontline therapeutic armamentarium of mRCC. Upfront combination immunotherapy as well as combinations of immunotherapy with targeted agents showed to significantly improved outcomes of mRCC patients compared to single-agent TKIs. ICIs are associated with long-lasting responses. Nonetheless, several unmet needs remain, as a small proportion of patients shows primary refractoriness to immunotherapy. Multiple treatment strategies combining different mechanisms of action or targeting immune escape pathways are emerging with the aim to improve response rates and survival outcomes. This review summarizes current immunotherapeutic targets and therapies approved for mRCC, while examining mechanisms of resistance and future directions, with the aim to address novel treatment strategies and help in improving the management of this tumor.
Insights
New immunotherapies and targeted therapies are improving outcomes for metastatic renal cell carcinoma (mRCC). While immune checkpoint inhibitors (ICIs) offer long-lasting responses, research continues to address resistance and enhance treatment strategies for mRCC patients.
Area of Science:
- Oncology
- Immunology
- Pharmacology
Background:
- Metastatic renal cell carcinoma (mRCC) treatment has evolved, with angiogenesis inhibitors and immunotherapy now central.
- Tyrosine kinase inhibitors (TKIs) target angiogenesis, a key driver in renal carcinoma pathogenesis.
- Immune checkpoint inhibitors (ICIs) have emerged as a significant advancement, particularly in pretreated mRCC.
Purpose of the Study:
- To review current immunotherapeutic targets and approved therapies for mRCC.
- To examine mechanisms of resistance to immunotherapy in mRCC.
- To explore future directions and novel treatment strategies for mRCC management.
Main Methods:
- Literature review of current immunotherapeutic targets and therapies for mRCC.
- Analysis of mechanisms underlying primary refractoriness to immunotherapy.
- Examination of emerging treatment strategies combining different mechanisms of action.
Main Results:
- Combination immunotherapy and immunotherapy with targeted agents show improved outcomes compared to single-agent TKIs in mRCC.
- ICIs are associated with durable responses in a subset of mRCC patients.
- Primary refractoriness to immunotherapy remains a challenge in mRCC treatment.
Conclusions:
- While immunotherapy has revolutionized mRCC treatment, challenges like primary resistance persist.
- Novel strategies combining different mechanisms of action are crucial for improving response rates and survival.
- Further research into immune escape pathways and combination therapies is needed to optimize mRCC management.
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