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Systemic adjuvant therapies in renal cell carcinoma.

ABSTRACT: Renal cell carcinoma (RCC) is one of the ten most frequent solid tumors worldwide. Recent innovations in the treatment of metastatic disease have led to new therapeutic approaches being investigated in the adjuvant setting. Observation is the only current standard of care after radical nephrectomy, although there is evidence of efficacy of adjuvant use of vaccine among all the strategies used. This article aims to collect published experiences with systemic adjuvant approaches in RCC and to describe the results of past and ongoing phase III clinical trials in this field. We explored all the systemic treatments, including chemotherapy, immunotherapy and targeted drugs while alternative approaches have also been described. Appropriate selection of patients who would benefit from adjuvant therapies remains a crucial dilemma. Although the international guidelines do not actually recommend any adjuvant treatment after radical surgery for RCC, no conclusions have yet been drawn pending the results of the promising ongoing clinical trials with the target therapies. The significant changes that these new drugs have made on advanced disease outcome could represent the key to innovation in terms of preventing recurrence, delaying relapse and prolonging survival after radical surgery for RCC.

SUBMITTER: Buti S

PROVIDER: S-EPMC4419621 | biostudies-other | 2012 Oct

REPOSITORIES: biostudies-other

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Systemic adjuvant therapies in renal cell carcinoma.

Buti Sebastiano S Bersanelli Melissa M Donini Maddalena M Ardizzoni Andrea A

Oncology reviews 20121008 2

Renal cell carcinoma (RCC) is one of the ten most frequent solid tumors worldwide. Recent innovations in the treatment of metastatic disease have led to new therapeutic approaches being investigated in the adjuvant setting. Observation is the only current standard of care after radical nephrectomy, although there is evidence of efficacy of adjuvant use of vaccine among all the strategies used. This article aims to collect published experiences with systemic adjuvant approaches in RCC and to desc ...[more]

PMID: 25992216

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Project description:BackgroundAntibiotic use alters commensal gut microbiota, which is a key regulator of immune homeostasis.ObjectiveTo investigate the impact of antibiotic use on clinical outcomes in metastatic renal cell carcinoma (mRCC) patients treated with systemic agents.Design, setting, and participantsWe analyzed two cohorts: an institutional cohort (n=146) receiving programmed cell death protein 1 (PD-1)/programmed death-ligand 1 (PD-L1)-based immune checkpoint inhibitors (ICIs) and a trial-database cohort (n=4144) receiving interferon-α (n=510), mammalian target of rapamycin (mTOR) inhibitors (n=660), and vascular endothelial growth factor targeted therapies (VEGF-TT; n=2974) on phase II/III clinical trials.Outcomes measurements and statistical analysisThe association of antibiotic use (defined as use from 8 wk before to 4 wk after the initiation of anticancer therapy) with progression-free survival (PFS) and overall survival (OS) was evaluated using Cox regression, adjusted for known prognostic factors including International Metastatic RCC Database Consortium risk factors.Results and limitationsMost patients were male, had clear cell histology, and were at an intermediate risk. Overall, in the institutional cohort, objective response rate (ORR) was 30%, PFS was 7.2 mo, and 1-yr OS was 77%. Antibiotic users (n=31, 21%) had a lower ORR (12.9% vs 34.8%, p=0.026) and shorter PFS (adjusted hazard ratio [HR]=1.96, 95% confidence interval [CI] 1.20-3.20, p=0.007) than antibiotic nonusers. In the trial-database cohort, antibiotic use (n=709, 17%) adversely impacted OS in patients treated with interferon (HR=1.62, 95% CI 1.13-2.31, p=0.008) or with VEGF-TT and prior cytokines (HR=1.65, 95% CI 1.04-2.62, p=0.033), but not patients treated with mTOR inhibitors or VEGF-TT without prior cytokines. Limitations include retrospective design, and limited details regarding concomitant medications and antibiotic indication/duration.ConclusionsAntibiotic use appears to reduce the efficacy of immunotherapy-based regimens in mRCC. The modulation of gut microbiota may play an important role in optimizing outcomes of patients treated with ICIs.Patient summaryWe evaluated metastatic renal cell carcinoma patients and found that those who were treated with immunotherapy had worse outcomes if they also received antibiotics at the start of treatment. This study highlights the importance of judicious antibiotic use.

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Systemic adjuvant therapies in renal cell carcinoma.

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Systemic adjuvant therapies in renal cell carcinoma.

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