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Phase II Trial and Correlative Genomic Analysis of Everolimus Plus Bevacizumab in Advanced Non-Clear Cell Renal Cell Carcinoma.

ABSTRACT: Purpose The decreased effectiveness of single-agent targeted therapies in advanced non-clear cell renal cell carcinoma (ncRCC) compared with clear cell renal cell carcinoma (RCC) supports the study of combination regimens. We evaluated the efficacy of everolimus plus bevacizumab in patients with metastatic ncRCC. Patients and Methods In this single-center phase II trial, treatment-naive patients received everolimus 10 mg oral once per day plus bevacizumab 10 mg/kg intravenously every 2 weeks. The primary end point was progression-free survival (PFS) at 6 months. Correlative analyses explored candidate tissue biomarkers through next-generation sequencing. Results Thirty-five patients were enrolled with the following histologic subtypes: chromophobe (n = 5), papillary (n = 5), and medullary (n = 2) RCC and unclassified RCC (uRCC, n = 23). The majority of patients had papillary growth as a major component (n = 14). For 34 evaluable patients, median PFS, overall survival, and objective response rate (ORR) were 11.0 months, 18.5 months, and 29%, respectively. PFS varied by histology ( P < .001), and ORR was higher in patients with significant papillary (seven of 18) or chromophobe (two of five) elements than for others (one of 11). Presence of papillary features were associated with benefit, including uRCC, where it correlated with ORR (43% v 11%), median PFS (12.9 v 1.9 months), and overall survival (28.2 v 9.3 months; P < .001). Several genetic alterations seemed to segregate by histology. In particular, somatic mutations in ARID1A were seen in five of 14 patients with papillary features but not in other RCC variants. All five patients achieved treatment benefit. Conclusion The study suggests efficacy for this combination in patients with ncRCC characterized by papillary features. Distinct mutational profiles among ncRCCs vary according to specific histology.

SUBMITTER: Voss MH

PROVIDER: S-EPMC5791841 | biostudies-literature | 2016 Nov

REPOSITORIES: biostudies-literature

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Phase II Trial and Correlative Genomic Analysis of Everolimus Plus Bevacizumab in Advanced Non-Clear Cell Renal Cell Carcinoma.

Voss Martin H MH Molina Ana M AM Chen Ying-Bei YB Woo Kaitlin M KM Chaim Joshua L JL Coskey Devyn T DT Redzematovic Almedina A Wang Patricia P Lee William W Selcuklu S Duygu SD Lee Chung-Han CH Berger Michael F MF Tickoo Satish K SK Reuter Victor E VE Patil Sujata S Hsieh James J JJ Motzer Robert J RJ Feldman Darren R DR

Journal of clinical oncology : official journal of the American Society of Clinical Oncology 20161101 32

Purpose The decreased effectiveness of single-agent targeted therapies in advanced non-clear cell renal cell carcinoma (ncRCC) compared with clear cell renal cell carcinoma (RCC) supports the study of combination regimens. We evaluated the efficacy of everolimus plus bevacizumab in patients with metastatic ncRCC. Patients and Methods In this single-center phase II trial, treatment-naive patients received everolimus 10 mg oral once per day plus bevacizumab 10 mg/kg intravenously every 2 weeks. Th ...[more]

PMID: 27601542

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Project description:Lessons learnedThe combination of everolimus and low-dose prednisone administered daily was hypothesized to prevent noninfectious pneumonitis (NIP) and mucositis, two common adverse events related to everolimus. Although mucositis was detected in only one case, all-grade NIP occurred in four of eight cases (50%), and this was considered enough to stop accrual of the study.These data suggest the need for careful monitoring of patients receiving everolimus who are treated with corticosteroids.BackgroundEverolimus is standard of care in the treatment of patients affected by metastatic renal cell carcinoma (mRCC) that has progressed after at least one previous line of treatment. Stomatitis and noninfectious pneumonitis (NIP) are common adverse events (AEs) in patients treated with everolimus. Prednisone could reduce the incidence of stomatitis, and it is commonly used to treat NIP. We hypothesized that low doses of prednisone could reduce the incidence and/or the severity of everolimus-induced NIP and stomatitis.MethodsWe have conducted an open-label, single-arm, phase II trial of prednisone 5 mg b.i.d. added to everolimus 10 mg/day in patients with mRCC. We planned to evaluate the safety, tolerability, and activity of this combination in mRCC patients. We aimed to reduce incidence of drug discontinuations due to stomatitis or NIP from 25% to 10%.ResultsThree (38%) of the first eight patients enrolled experienced grade ≥2 pneumonitis and stopped treatment. Grade 1 stomatitis occurred in only one patient (13%). Five of eight patients experienced disease progression at the 2-month evaluation. Two patients (25%) were reported free of disease progression at 1 year of treatment.ConclusionThe incidence of NIP in these patients was considered too high for completing accrual of this study. These results may be of interest for investigating the pathogenesis of NIP and suggest that patients should be carefully followed if treated with chronic corticosteroids while receiving everolimus.

Project description:BackgroundNivolumab, a programmed death 1 (PD-1) checkpoint inhibitor, was associated with encouraging overall survival in uncontrolled studies involving previously treated patients with advanced renal-cell carcinoma. This randomized, open-label, phase 3 study compared nivolumab with everolimus in patients with renal-cell carcinoma who had received previous treatment.MethodsA total of 821 patients with advanced clear-cell renal-cell carcinoma for which they had received previous treatment with one or two regimens of antiangiogenic therapy were randomly assigned (in a 1:1 ratio) to receive 3 mg of nivolumab per kilogram of body weight intravenously every 2 weeks or a 10-mg everolimus tablet orally once daily. The primary end point was overall survival. The secondary end points included the objective response rate and safety.ResultsThe median overall survival was 25.0 months (95% confidence interval [CI], 21.8 to not estimable) with nivolumab and 19.6 months (95% CI, 17.6 to 23.1) with everolimus. The hazard ratio for death with nivolumab versus everolimus was 0.73 (98.5% CI, 0.57 to 0.93; P=0.002), which met the prespecified criterion for superiority (P≤0.0148). The objective response rate was greater with nivolumab than with everolimus (25% vs. 5%; odds ratio, 5.98 [95% CI, 3.68 to 9.72]; P<0.001). The median progression-free survival was 4.6 months (95% CI, 3.7 to 5.4) with nivolumab and 4.4 months (95% CI, 3.7 to 5.5) with everolimus (hazard ratio, 0.88; 95% CI, 0.75 to 1.03; P=0.11). Grade 3 or 4 treatment-related adverse events occurred in 19% of the patients receiving nivolumab and in 37% of the patients receiving everolimus; the most common event with nivolumab was fatigue (in 2% of the patients), and the most common event with everolimus was anemia (in 8%).ConclusionsAmong patients with previously treated advanced renal-cell carcinoma, overall survival was longer and fewer grade 3 or 4 adverse events occurred with nivolumab than with everolimus. (Funded by Bristol-Myers Squibb; CheckMate 025 ClinicalTrials.gov number, NCT01668784.).

Dataset Information

Phase II Trial and Correlative Genomic Analysis of Everolimus Plus Bevacizumab in Advanced Non-Clear Cell Renal Cell Carcinoma.

Publications

Phase II Trial and Correlative Genomic Analysis of Everolimus Plus Bevacizumab in Advanced Non-Clear Cell Renal Cell Carcinoma.

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