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Published in: Targeted Oncology 2/2018

Open Access 01-04-2018 | Original Research Article

Cabozantinib Versus Standard-of-Care Comparators in the Treatment of Advanced/Metastatic Renal Cell Carcinoma in Treatment-naïve Patients: a Systematic Review and Network Meta-Analysis

Authors: Elvira Schmidt, Johanna Lister, Monika Neumann, Witold Wiecek, Shuai Fu, Anne-Lise Vataire, Jelena Sostar, Shengnan Huang, Florence Marteau

Published in: Targeted Oncology | Issue 2/2018

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Abstract

Background

Cabozantinib has recently been evaluated as a first-line treatment in advanced renal cell carcinoma (aRCC).

Objective

To indirectly assess efficacy of cabozantinib versus standard-of-care (SoC) comparators in the first-line treatment of aRCC.

Methods

We conducted a systematic literature review (SLR) to identify randomized controlled studies in the first-line setting for aRCC. The outcomes analyzed were overall survival (OS) and progression-free survival (PFS). A network meta-analysis (NMA) was conducted comparing OS and PFS hazard ratios (HRs).

Results

Thirteen studies were identified in the SLR to be eligible for inclusion in the NMA. The overall study populations were heterogeneous in terms of risk groups; some studies included favorable risk patients. In intermediate-risk patients, HRs (95% confidence interval) for PFS were 0.52 (0.33, 0.82), 0.46 (0.26, 0.80), 0.20 (0.12, 0.36), and 0.37 (0.20, 0.68) when cabozantinib was compared with sunitinib, sorafenib, interferon (IFN), or bevacizumab plus IFN, respectively. In poor-risk patients, the NMA also demonstrated significant superiority in terms of PFS for cabozantinib; HRs were 0.31 (0.11, 0.90), 0.22 (0.06, 0.87), 0.16 (0.04, 0.64), and 0.20 (0.05, 0.88), when cabozantinib was compared with sunitinib, temsirolimus, IFN, or bevacizumab plus IFN, respectively. When the overall study populations were compared, the results were similar to the subgroup analyses. OS HRs in all analyses favored cabozantinib, but were not statistically significant.

Conclusions

The results suggest that cabozantinib significantly increases PFS in intermediate-, and poor-risk subgroups when compared to standard-of-care comparators. Although overall populations included favorable risk patients in some studies, the results seen were consistent with the subgroup analyses.
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Metadata
Title
Cabozantinib Versus Standard-of-Care Comparators in the Treatment of Advanced/Metastatic Renal Cell Carcinoma in Treatment-naïve Patients: a Systematic Review and Network Meta-Analysis
Authors
Elvira Schmidt
Johanna Lister
Monika Neumann
Witold Wiecek
Shuai Fu
Anne-Lise Vataire
Jelena Sostar
Shengnan Huang
Florence Marteau
Publication date
01-04-2018
Publisher
Springer International Publishing
Published in
Targeted Oncology / Issue 2/2018
Print ISSN: 1776-2596
Electronic ISSN: 1776-260X
DOI
https://doi.org/10.1007/s11523-018-0559-0

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