Effect of improved systemic therapy on patient survival in metastatic non‐clear‐cell renal cell carcinoma

Author(s):  
Hiroki Ishihara ◽  
Hidekazu Tachibana ◽  
Toshio Takagi ◽  
Kazuhiko Yoshida ◽  
Tsunenori Kondo ◽  
...  
2014 ◽  
Vol 32 (4_suppl) ◽  
pp. 425-425 ◽  
Author(s):  
Francisco Emilio Vera-Badillo ◽  
Arnoud Templeton ◽  
Alberto Ocana ◽  
Paulo deGouveia ◽  
Priya Aneja ◽  
...  

425 Background: Clinical data supporting the efficacy of systemic therapy in non-clear cell renal cell carcinoma (non-ccRCC) are limited and based on retrospective analyses, expanded access programs and single arm phase II trials. Therefore the optimal treatment for this subgroup remains uncertain. Methods: A systematic review of electronic databases was conducted to identify publications evaluating the outcomes of patients with non-ccRCC (excluding those with sarcomatoid tumors) treated with different systemic approaches (immunotherapy, chemotherapy, targeted agents, small molecules). The primary endpoint was response rate and secondary endpoints were median progression free (PFS) and overall survival (OS). Where possible, data were pooled in a meta-analysis using the Mantel-Haenszel random-effect modeling. For studies comprising of unselected patients, outcomes of those with non-ccRCC were compared with clear cell renal cell carcinoma (ccRCC). Results: Forty-nine studies comprising 7,799 patients were included: 471 patients were enrolled on studies conducted exclusively in non-ccRCC and 7,328 patients on studies of unselected renal cell carcinoma. Among these, 903 (12%) had non-ccRCC and 6,425 (88%) had ccRCC. For non-ccRCC, overall response rate, median PFS and median OS were 9%, 7.9 and 13.4 months, respectively. By comparison, the overall response rate for ccRCC was 15% (Risk Ratio for response [RR] 0.67, 95% CI 0.52-0.86, p=0.002). This association was independent of type of treatment administered. Among the different novel agents (bevacizumab, lenalidomide, linefanib, sorafenib, sunitinib, pazopanib, everolimus and temsirolimus), sunitinib was significantly less efficacious in non-ccRCC than ccRCC (RR 0.56, 95% CI 0.42-0.72), but there was no significant difference in response rates for sorafenib (RR 0.64, 95% CI 0.31-1.35) or other agents (RR 1.10, 95% CI 0.50-2.44), However, confidence intervals were wide. Results of further analyses will be presented at the meeting. Conclusions: Patients with non-ccRCC have lower response rates than those with ccRCC, but the absolute difference between them is modest. Further study of targeted therapy in non-ccRCC is warranted.


2016 ◽  
Vol 34 (2_suppl) ◽  
pp. 583-583
Author(s):  
Aline Fusco Fares ◽  
Isabela Cunha ◽  
Daniel Vilarim Araujo ◽  
Leonardo de Azevedo Boente ◽  
Daniel Garcia ◽  
...  

583 Background: In mRCC, there are no prospectively validated biomarkers to guide the treatment and therapy decision is based on prognostic scores and histology. STAT-3 and Wnt/b-cateninare cell proliferation pathways and have already been related to prognostic in renal cell carcinoma. Objective: to evaluate the role of STAT-3 and b-catenin expression as prognostic biomarkers in clear cell mRCC. Methods: 684 medical records of renal cell carcinoma patients treated at AC Camargo Cancer Center from 2007 to 2015 were reviewed. 86 out of 684 patients fulfilled the study criteria: metastatic clear cell carcinoma, no sarcomatoid features, previous systemic therapy, previous nephrectomy and available tumor specimens from metastatic site. Pathological samples were arranged in a TMA. The number of positive stainings cells for each antibody in each core was categorized as low positive or negative versus highly positive expression. Results: We had available tissue blocks from 47 tumors. 32/45 patients (71,1%) had highly positive membrane b-catenin and none of the patients was positive for nuclear b-catenin. 27 /45 (60%) were categorized as low positive or negative STAT-3. There was no statistically significant association between STAT-3 and b-catenin expression with clinical prognostic criteria (MSKCC and Heng criteria). In the multivariate analysis, KPS < 80% (p = 0.02; HR: 2.7), time from nephrectomy to metastasis < 1 year (p = 0.04; HR: 2.1), no hypothyroidism (p = 0.05; HR: 2.4) and MSKCC criteria (p = 0.02; HR: 2.5) were confirmed as negative prognostic factors. Associative analysis showed that none of the patients with negative membrane b-catenin had response to systemic therapy (p=0.02). OS was 35.5 months (IC 22.2-48.8) and PFS was 12.5 months (IC 10.0-14.0). Conclusions: in our cohort, STAT-3 and B-catenin expression are not associated with the prognostic criteria (MSKCC and Heng). The loss of B-catenin expression is associated to a worse response rate to antiangiogenic therapy in metastatic clear cell renal cancer. [Table: see text]


2006 ◽  
Vol 175 (4S) ◽  
pp. 242-243
Author(s):  
W. Scott Webster ◽  
Christine M. Lohse ◽  
R. Houston Thompson ◽  
Haidong Dong ◽  
Xavier Frigola ◽  
...  

2017 ◽  
Vol 37 ◽  
pp. 337-342 ◽  
Author(s):  
Tian Zhang ◽  
Jun Gong ◽  
Manuel Caitano Maia ◽  
Sumanta K. Pal

Cancer ◽  
2006 ◽  
Vol 107 (1) ◽  
pp. 46-53 ◽  
Author(s):  
W. Scott Webster ◽  
Christine M. Lohse ◽  
R. Houston Thompson ◽  
Haidong Dong ◽  
Xavier Frigola ◽  
...  

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