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Updated: Jul 12, 2026

A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
Published on: April 12, 2017
[Is there an indication for neoadjuvant or adjuvant systemic therapy in renal cell cancer?]
C Doehn1, A S Merseburger, D Jocham
1Klinik und Poliklinik für Urologie, Universitätsklinikum Schleswig-Holstein (UK S-H), Campus Lübeck, Ratzeburger Allee 160, 23538 Lübeck. doehn@medinf.mu-luebeck.de
Abstract:
Looking at the most frequent urological tumors kidney cancer has the worst prognosis. Primary therapy consists of operative tumor removal in most cases. A tumor cutoff between 4 and 5 cm represents the turn towards a significant risk for postoperative tumor relapse. In those patients neoadjuvant or adjuvant therapy would be indicated. However, no phase III trials on neoadjuvant therapy of kidney cancer have been published in the literature. In contrast, five phase III trials on adjuvant therapy of kidney cancer have been published. In four trials interferon-alpha and/or interleukin-2 were applied. None of these trials had a positive outcome. Moreover, adjuvant cytokine therapy was associated with significant side effects in 30% of patients. In the fifth trial an autologous tumor cell vaccine (Reniale) demonstrated an improvement of progression-free survival and overall survival. Also, there were less than 1% side effects. Results from active trials investigating a combination of interleukin-2, interferon-alpha and 5-FU, or a heat shock protein vaccine or an antibody are awaited soon. New trials are testing tyrosine kidney inhibitors such as sunitinib and sorafenib.
Insights
Kidney cancer has a poor prognosis, with surgery as primary treatment. Adjuvant therapies like vaccines show promise for improving survival, unlike earlier cytokine treatments with significant side effects.
Area of Science:
- Urology
- Oncology
- Neoadjuvant and Adjuvant Therapies
Context:
- Kidney cancer presents a significant challenge in urological oncology due to its poor prognosis.
- Tumor size >4-5 cm correlates with increased risk of postoperative relapse, necessitating further therapeutic strategies.
- Current treatment paradigms primarily involve surgical tumor removal.
Purpose:
- To review the landscape of neoadjuvant and adjuvant therapies for kidney cancer.
- To evaluate the efficacy and safety of previously investigated and ongoing therapeutic approaches.
- To identify promising future directions in kidney cancer treatment.
Summary:
- No Phase III trials on neoadjuvant kidney cancer therapy are published.
- Five Phase III trials on adjuvant therapy have been published, with four using cytokine-based treatments (interferon-alpha, interleukin-2) showing no positive outcomes and significant side effects.
- One trial demonstrated improved progression-free and overall survival using an autologous tumor cell vaccine (Reniale) with minimal side effects.
- Ongoing trials explore combinations of cytokines, vaccines, and novel agents like tyrosine kinase inhibitors (sunitinib, sorafenib).
Impact:
- Adjuvant autologous tumor cell vaccines represent a potential breakthrough in kidney cancer treatment, offering improved survival with a favorable safety profile.
- Future research directions include evaluating novel combinations and targeted therapies like tyrosine kinase inhibitors.
- The findings highlight the need for more effective adjuvant strategies to improve outcomes for patients with high-risk kidney cancer.
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