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A Syngeneic Mouse Model of Metastatic Renal Cell Carcinoma for Quantitative and Longitudinal Assessment of Preclinical Therapies
Published on: April 12, 2017
The role of tivozanib in advanced renal cell carcinoma therapy
Bernard Escudier1, Camillo Porta2, Tim Eisen3
1a Department of Oncological Medicine , Institut Gustave Roussy , Villejuif , France.
Introduction:
The efficacy of VEGF-targeting therapies in clinical trials led to their recommendation in clinical guidelines for use across the advanced or metastatic renal cell carcinoma (RCC) treatment landscape, however, tolerability (including off-target effects) has remained a challenge. Tivozanib is a selective inhibitor of all three VEGFRs, with limited off-target interaction, which demonstrates efficacy with improved tolerability relative to multikinase VEGFR-TKIs. Areas covered: Covered here is the clinical development of tivozanib in advanced RCC, including the pivotal Phase III, multicenter, open-label, randomized clinical study comparing tivozanib with sorafenib for the treatment of VEGF- and mTOR therapy-naïve advanced RCC patients. Also covered are ongoing trials, exploring the efficacy and safety of tivozanib in the setting of refractory disease and the utility of tivozanib in combination with checkpoint inhibitors for advanced RCC. Combination of a VEGFR-TKI and immunotherapy is promising in advanced RCC, if the treatment regimens have acceptable tolerability. Here the selectivity of tivozanib may contribute to an acceptable tolerability profile when used in combination therapy. Expert commentary: The approval of tivozanib provides an additional option for the first-line treatment of advanced or metastatic RCC patients in Europe and allows use of a VEGFR-TKI with selectivity for VEGFRs in this setting.
Insights
Tivozanib, a selective VEGF receptor tyrosine kinase inhibitor (VEGFR-TKI), shows efficacy and improved tolerability for advanced renal cell carcinoma (RCC). Its selectivity may offer better outcomes in combination therapies for metastatic RCC.
Area of Science:
- Oncology
- Pharmacology
- Nephrology
Background:
- Vascular Endothelial Growth Factor (VEGF)-targeting therapies are recommended for advanced renal cell carcinoma (RCC).
- Tolerability, including off-target effects, remains a challenge with current treatments.
- Tivozanib offers selective inhibition of VEGFRs with potentially reduced off-target interactions.
Purpose of the Study:
- To review the clinical development of tivozanib in advanced RCC.
- To discuss the efficacy and safety of tivozanib in various treatment settings.
- To explore the potential of tivozanib in combination therapies.
Main Methods:
- Review of pivotal Phase III randomized clinical trial comparing tivozanib with sorafenib in VEGF- and mTOR therapy-naïve advanced RCC patients.
- Inclusion of data from ongoing trials investigating tivozanib in refractory disease and combination therapy with checkpoint inhibitors.
Main Results:
- Tivozanib demonstrated efficacy with improved tolerability compared to multikinase VEGFR-TKIs in advanced RCC.
- Ongoing trials are evaluating tivozanib's efficacy and safety in refractory disease and combination with immunotherapy.
- The selectivity of tivozanib suggests potential for acceptable tolerability in combination therapy.
Conclusions:
- Tivozanib provides a new first-line treatment option for advanced/metastatic RCC in Europe.
- Its VEGFR selectivity may enhance tolerability, particularly in combination regimens.
- Further research is exploring tivozanib's role in refractory disease and combination therapies for advanced RCC.
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