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Adjuvant Therapy for High-Risk Localized Renal Cell Carcinoma: Current Landscape and Future Direction.

ABSTRACT: Locally and regionally advanced renal cell carcinoma (RCC) can recur at high rates even after visually complete resection of primary disease. Both targeted therapies and immunotherapies represent potential agents that might help reduce recurrence of RCC in these patients. This paper reviews the current body of evidence defining their potential impact and examines the large Phase III randomized clinical trials that have been performed to assess the safety and efficacy of these systemic therapies in the adjuvant setting. Given that the findings from these trials have been predominantly negative, this paper also explores the role of other potential adjuvant agents, including single and combination agent targeted therapies and immunotherapies, whose use is currently limited to metastatic RCC. Finally, the use of radiation therapy and the use of advanced imaging modalities in RCC are also considered.

SUBMITTER: Buller DM

PROVIDER: S-EPMC9884052 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Adjuvant Therapy for High-Risk Localized Renal Cell Carcinoma: Current Landscape and Future Direction.

Buller Dylan M DM Antony Maria M Ristau Benjamin T BT

OncoTargets and therapy 20230124

Locally and regionally advanced renal cell carcinoma (RCC) can recur at high rates even after visually complete resection of primary disease. Both targeted therapies and immunotherapies represent potential agents that might help reduce recurrence of RCC in these patients. This paper reviews the current body of evidence defining their potential impact and examines the large Phase III randomized clinical trials that have been performed to assess the safety and efficacy of these systemic therapies ...[more]

PMID: 36718243

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Project description:PurposeWe reviewed the literature on adjuvant therapies for patients with high risk localized kidney cancer following surgical resection. In this analysis we merge 2 recently published prospective trials with conflicting results within the context of their respective designs. In addition, we spotlight upcoming trials that use novel immunotherapy based checkpoint inhibitors and have the potential to establish a new standard of care.Materials and methodsWe searched PubMed® for English language articles published through January 2017 using the keywords "renal cell carcinoma," "kidney cancer," "immunotherapy," "targeted therapy" and "adjuvant therapy." ClinicalTrials.gov was queried for ongoing studies. Relevant data recently presented at major urology and medical oncology meetings are also included.ResultsAdjuvant therapies for high risk localized kidney cancer can be grouped into the categories of 1) traditional immunotherapy, 2) inhibitors of the vascular endothelial growth factor and mTOR (mammalian target of rapamycin) pathways, 3) vaccines and antibody dependent cytotoxic agents, and 4) immune checkpoint inhibitors. Several trials of traditional immunotherapy, such as interferon-α and high dose interleukin-2, failed to demonstrate benefit as adjuvant treatment and were associated with significant adverse events. Vascular endothelial growth factor and mTOR inhibitors have less severe toxicity in metastatic disease and, therefore, are natural considerations for adjuvant trials. However, current data are conflicting. The ASSURE (Sunitinib Malate or Sorafenib Tosylate in Treating Patients with Kidney Cancer that was Removed by Surgery, NCT00326898) trial found no recurrence-free survival benefit of sorafenib or sunitinib over placebo, while S-TRAC (Clinical Trial Comparing Efficacy and Safety of Sunitinib versus Placebo for the Treatment of Patients at High Risk of Recurrent Renal Cell Cancer, NCT00375674) revealed that 1 year of sunitinib improved recurrence-free survival by 1.2 years. Vaccine based treatments and antibody dependent cytotoxic agents have had mixed results. New trials evaluating immune checkpoint inhibitors are planned, given the impressive efficacy and tolerability as second line agents in metastatic disease. Future adjuvant trials are likely to be guided by molecular signatures to treat patients most likely to benefit.ConclusionsBased on the available data, there appears to be no role for traditional immunotherapy as adjuvant treatment in patients with high risk localized kidney cancer following surgical resection. S-TRAC provides evidence that 1 year of adjuvant sunitinib in patients with higher risk locoregional disease increases the median time to recurrence. However, the data on overall survival are immature and adverse effects are common. Results from trials investigating immune checkpoint inhibitors are highly anticipated.

Dataset Information

Adjuvant Therapy for High-Risk Localized Renal Cell Carcinoma: Current Landscape and Future Direction.

Publications

Adjuvant Therapy for High-Risk Localized Renal Cell Carcinoma: Current Landscape and Future Direction.

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