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Background: Systemic treatment with immune combinations is the gold standard for metastatic renal cell carcinoma (mRCC) worldwide. The systemic immune-inflammation index (SII) is a prognostic marker for several types of malignant neoplasms, including mRCC, in the era of tyrosine kinase inhibitor (TKI) treatment. Data regarding the prognostic value of the SII in patients with mRCC treated with immunotherapy are scarce and controversial.  METHODS: We retrospectively collected the data of patients with mRCC from 56 centers in 18 countries. SII (Platelet × Neutrophil/Lymphocyte count) was calculated prior to the first systemic treatment and cut-off was defined by a survival receiver operating characteristic (ROC) analysis. The primary objective of our retrospective study was to assess the outcomes of patients treated with first-line immunotherapy.  RESULTS: Data from 1034 mRCC patients was collected and included in this analysis. The SII cut-off value was 1265. After a follow-up of 26.7 months, and the overall survival (OS) and progression-free survival (PFS) were 39.8 and 15.7 months, respectively. According to SII (low vs. high), patients with low-SII had longer OS (55.7 vs. 22.2 months, P < .001), better PFS (20.8 vs. 8.5 months, P < .001), and higher overall response rate (52 vs. 37%, P = .033)., Conclusion: A high SII is associated with poor oncological outcomes in patients with mRCC. SII could be an easily accessible prognostic indicator for use in clinical practice., Competing Interests: Disclosure Fernando Sabino M. Monteiro: Research support was provided by Janssen (Merck Sharp Dome). Honoraria from Janssen, Ipsen, Bristol Myers Squibb, and Merck Sharp Dome. Ownership: BIO, Brazilian Information Oncology; Ondrej Fiala: Received honoraria from Roche, Janssen, MSD, Pierre Fabre, GSK, and Pfizer for consultations and lectures unrelated to this project; Francesco Massari: Personal fees from Astellas, BMS, Janssen, Ipsen, MSD, and Pfizer; Jindrich Kopecky: Consulting fees from Bristol Myers Squibb, Ipsen, Novartis, MSD; payment or honoraria for lectures, presentations, speakers’ bureaus, manuscript writing, or educational events from Ipsen, Bristol-Myers Squibb, MSD, Pfizer, Merck, and Novartis; Jakub Kuchartz: Honoraria: Angelini, Astellas, Astra Zeneca, Bayer, Bristol Myers Squibb, IPSEN, Janssen, Merck MSD, Novartis, Pfizer, Research Funding: Novartis; Enrique Grande: Honoraria: Adacap, AMGEN, Angelini, Astellas, Astra Zeneca, Bayer, Blueprint, Bristol Myers Squibb, Caris Life Sciences, Celgene, Clovis-Oncology, Eisai, Eusa Pharma, Genetracer, Guardant Health, HRA-Pharma, IPSEN, ITM-Radiopharma, Janssen, Lexicon, Lilly, Merck KGaA, MSD, NanoString Technologies, Novartis, ONCODNA (Biosequence), Palex, Pharmamar, Pierre Fabre, Pfizer, Roche, Sanofi-Genzyme, Servier, Taiho, and Thermo Fisher Scientific. Funding: Pfizer, Astra Zeneca, Astellas, and Lexicon Pharmaceuticals; Maria T. Bourlon: Honoraria/advisory board: Astellas, Astra Zeneca, Bayer, Bristol Myers Squibb, Eisai, IPSEN, Janssen, Merck, MSD, Novartis, Pfizer, Roche. Funding: Pfizer; Javier Molina-Cerrillo: Consultant, advisory, or speaker roles for IPSEN, Roche, Pfizer, Sanofi, Janssen, Eisai, MSD, and BMS. JMC has received research grants from Pfizer, IPSEN, Janssen, and Roche; Tomas Buchler: Research support: AstraZeneca, Roche, Bristol Myers Squibb, Exelixis, Merck KGaA, MSD, and Novartis; consulting fees from Bristol Myers Squibb, Astellas, Janssen, and Sanofi/Aventis; payment or honoraria for lectures, presentations, speakers’ bureaus, manuscript writing, or educational events from Ipsen, Bristol-Myers Squibb, AstraZeneca, Roche, Servier, Accord, MSD, and Pfizer; Emmanuel Seront: Consultancy: MSD, BMS, Pfizer, Ipsen; Aristotelis Bamias: Honoraria, Advisory, Research support: Pfizer, Roche, MSD, BMS, and Ipsen; Camillo Porta: Honoraria: Angelini Pharma, Astra Zeneca, Bristol Myers Squibb, Eisai, Ipsen, MSD; Andre Poisl Fay: Honoraria: Pfizer, Astellas, BMS, Novartis, Roche, Astra-Zeneca, Janssen, MSD, Ipsen. Scientific Advisory Board: Janssen, Novartis, Roche, Ipsen, Pfizer, Bayer, MSD. Research Grant: CAPES - CNPq, BMS, Roche, Astra-Zeneca, MSD, Foundation Medicine, Ipsen. Ownership: BIO, Brazilian Information Oncology. All other authors do not have relationships to disclose. All authors except Ondrej Fiala are unrelated to this study., (Copyright © 2023 Elsevier Inc. All rights reserved.)

Background: Testicular germ cell tumors (TGCT) are unique malignancies of young adult men; their biology is, however, underexplored and there has not been much progress in their treatment for decades. Circulating free tumor DNA (cfDNA) analysis represents a promising way of discovering novel diagnostic and treatment options., Objective: The study evaluates the clinical value of cfDNA detection in TGCT patients., Design and Methods: Total cfDNA concentration and ratio of its 2 main fragments (180 and 360 bp) were evaluated by spectrophotometry, capillary electrophoresis and qPCR in peripheral blood plasma of 96 TGCT patients (173 samples) and 31 normal controls. Non-parametric tests were used for statistical analyses., Results: The total cfDNA concentration was significantly higher in TGCT than in controls (P < 0.0001), with the highest levels at disease progression, but with no clear threshold between malignant and normal samples. Patients with positive tumor markers had higher cfDNA concentrations than those with negative markers (P = 0.01). Longer 360 bp cfDNA fragments were found in 58% of TGCT patients including almost all samples from relapse or disease progression but no normal controls (P < 0.0001)., Conclusion: Total cfDNA levels are significantly increased in TGCT patients but without a clear threshold separating normal and tumor samples, thus total cfDNA amount itself is not a sensitive enough marker to identify or monitor TGCT. Longer cfDNA fragments have been found exclusively in a proportion of tumors and predominantly at disease progression, representing a novel potential marker for TGCT monitoring that would deserve further exploration., (Copyright © 2022 Elsevier Inc. All rights reserved.)

Background: Fatigue is one of the most common adverse effects associated with cancer immunotherapy using checkpoint inhibitors (CPIs). Because treatment-related fatigue also frequently occurs in patients treated with non-immunological therapies, our study aimed to compare the incidence of fatigue in CPI-treated patients with that associated with non-immune therapies in randomised trials., Methods: PubMed and ClinicalTrials.gov were searched for phase III studies using a CPI alone or in combination with chemotherapy or non-immunologic targeted therapy in the experimental arm and control arm using inactive therapies such as placebo or observation, chemotherapy, or non-immunologic targeted therapy. Adverse events listed in the full texts as well as those available from clinicaltrials.gov were reviewed for all identified studies., Results: A total of 60 studies involving 41 435 patients were included in the analysis. All-grade fatigue was reported in 30.4% of patients [95% confidence interval (CI) 29.9% to 31.0%] in the immunotherapy arms of the analysed studies. Using anti-programmed cell death protein 1 agents as reference, the odds ratio (OR) for fatigue was significantly higher both for anti-cytotoxic T lymphocyte-associated antigen 4 agents (OR 1.46, 95% CI 1.04-2.04) and the combination of anti-cytotoxic T lymphocyte-associated antigen 4 and anti-programmed cell death protein agents (OR 1.43, 95% CI 1.12-1.83). Fatigue was significantly less likely to occur in patients treated with CPI compared with patients receiving chemotherapy (OR 0.79, 95% CI 0.73-0.85), but significantly was more common in patients receiving the combination of CPI/chemotherapy compared with patients receiving chemotherapy alone (OR 1.12, 95% CI 1.03-1.22)., Conclusions: Although immunotherapy using CPIs was associated with treatment-related fatigue, the occurrence of all-grade fatigue was significantly higher in patients treated with chemotherapy compared with patients receiving CPIs. The risk of fatigue was higher for CPI/chemotherapy combinations than for chemotherapy alone. These results suggest that although the effects of CPIs and chemotherapy are additive, chemotherapy was the dominant cause of treatment-related fatigue in the analysed trials., Competing Interests: Disclosure IK has received research support and honoraria from Roche, Bristol Myers Squibb, Merck Sharp Dohme, Merck, and Servier, all unrelated to the present paper. TB has received research support and honoraria from Roche, Bristol Myers Squibb, Merck Sharp Dohme, Merck, and AstraZeneca, all unrelated to the present paper. All other authors have declared no conflicts of interest., (Copyright © 2022 The Author(s). Published by Elsevier Ltd.. All rights reserved.)

Background: Nonclear cell renal cell carcinoma (nccRCC) is a heterogeneous group of primary kidney tumors. The aim of the present retrospective study was to analyze outcomes of patients with nccRCC treated with tyrosine-kinase inhibitors (TKIs) based on a national registry., Methods: The registry contained evaluable data of 93 nccRCC patients treated with first-line TKIs, including 87 patients with papillary renal cell carcinoma (RCC) and 6 patients with chromophobe RCC. The control cohort consisted of 1,788 patients with clear-cell RCC treated with first-line TKIs. Multivariable Cox proportional hazard model was used to evaluate the effect of potential prognostic factors on the survival measures., Results: Median progression-free survival was 11.8 and 6.5 months in the clear cell renal cell carcinoma and nccRCC patients, respectively (P = 0.018), and median overall survival was 33.2 and 22.0 months, respectively (P = 0.007). In the multivariate analysis, independent factors associated with inferior progression-free survival included high tumor grade, worse Memorial Sloan Kettering Cancer Center risk group, absence of nephrectomy, and sunitinib (as opposed to pazopanib) as first-line targeted therapy. Independent predictors of inferior overall survival included nonclear cell histology, tumor grade, worse Memorial Sloan Kettering Cancer Center risk group, absence of nephrectomy, older age, and sunitinib as first-line targeted therapy., Conclusions: The present retrospective, registry-based study confirms that patients with nccRCC treated with TKIs have worse clinical outcomes compared to clear cell renal cell carcinoma patients with similar baseline characteristics., (Copyright © 2018 Elsevier Inc. All rights reserved.)

The DNA-damaging agent 5-fluorouracil represents the most commonly used chemotherapeutic drug for colorectal cancer patients. DNA lesions associated with 5-fluorouracil therapy are primarily repaired by base excision repair (BER) and mismatch repair (MMR) pathways. Published evidence suggests that the individual DNA repair capacity (DRC) may affect a patient's prognosis and response to chemotherapy. With this in mind, we designed a prospective study of which the main aim was to investigate BER-DRC in relation to 5-fluorouracil response as potential predictive and/or prognostic biomarker. BER-DRC was supplemented by a microsatellite instability (MSI) analysis which represents an indirect marker of MMR activity in the tumor. All parameters were measured in paired samples of tumor tissue and non-malignant adjacent mucosa of 123 incident colon cancer patients. Our results indicate that BER-DRC in non-malignant adjacent mucosa was positively associated with overall survival (P = 0.007) and relapse-free survival (P = 0.04). Additionally, in multivariate analysis, good therapy responders in TNM stage II and III with an elevated BER-DRC in mucosa exhibited better overall survival. Moreover, the overall survival of these patients was even better in the presence of a decreased BER-DRC in tumor tissue. The ratio of BER-DRC in tumor tissue over BER-DRC in mucosa positively correlated with advanced tumor stage (P = 0.003). With respect to MSI, we observed that MSI-high tumors were mostly localized in proximal colon; however, in our cohort, the MSI status affected neither patients' prognosis nor survival. In summary, the results of the present study suggest that the level of BER-DRC is associated with patients' survival. BER-DRC represents a potential prognostic biomarker, applicable for prediction of therapy response and useful for individual approach to patients., (Copyright © 2018. Published by Elsevier B.V.)

Background: Although targeted therapies with inhibitors of the vascular endothelial growth factor (VEGF) are the mainstay of treatment for metastatic renal cell carcinoma, there are limited data on the outcome of patients with long-term response to this treatment., Patients and Methods: In a retrospective, registry-based study, patients continuously treated with first-line anti-VEGF agents for at least 24 months were included. In total, 219 patients had evaluable data and were included in the outcome analysis., Results: Median progression-free survival (PFS) after initiation of first-line targeted therapy was 39.7 months (95% confidence interval [CI], 35.9-43.5 months), with 5-year PFS of 34.2% (95% CI, 27.2%-41.2%). Median overall survival (OS) reached 79.1 months (95% CI, 65.2-93.0 months) with the 5-year OS of 62.1% (95% CI, 54.5%-69.7%). In this cohort, 28, 103, and 88 patients achieved complete response (CR), partial response (PR), or stable disease (SD) as the best response, respectively. Median PFS and OS were comparable in patients with PR and SD, but significantly longer in patients with CR (log rank test P value for PFS difference < .001 and .009 for OS difference)., Conclusion: There are marked differences in PFS and OS between patients who receive long-term anti-VEGF treatment, achieving CR and non-CR as the best clinical response. Patients with non-CR experienced a relatively high progression rate shortly after the landmark time point of 2 years., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Objectives: The aim of the present study was to describe the efficacy and safety of everolimus in the treatment of metastatic renal cell carcinoma (mRCC) after administration of 1 vs. 2 prior tyrosine kinase inhibitors (TKIs)., Patients and Methods: A national renal information system database was used as the data source for the retrospective study. There were 483 patients who received everolimus as the second (n = 350) or the third (n = 112) targeted agent following TKIs., Results: Median progression-free survival (PFS) from the start of everolimus in the second or the third line of targeted therapy was 6.1 months for both subgroups (P = 0.863). Median total PFS from the start of the first targeted agent to progression on the third targeted agent for patients receiving 3 lines of therapy with TKI-TKI-everolimus (n = 112) and TKI-everolimus-TKI (n = 27) sequences was 28.3 months vs. 31.3 months, respectively (P = 0.16), and there was no significant difference in overall survival. PFS on everolimus was associated with PFS on previous TKIs in patients receiving 1 but not 2 previous TKIs. Only 13% of 352 patients starting targeted therapy for mRCC in 2010 had received 3 sequential targeted agents by the data cutoff in March 2013., Conclusion: PFS on everolimus correlated with PFS on TKIs in patients pretreated with 1 but not 2 TKIs. Everolimus can be deferred to the third line without loss of efficacy or increased toxicity. However, only a minority of patients with mRCC starting targeted treatment can be expected to receive third-line therapy., (Copyright © 2014 Elsevier Inc. All rights reserved.)

Objectives: The aim of this retrospective study was to analyze prognostic factors in patients with metastatic renal cell carcinoma treated with tyrosine kinase inhibitors (TKIs) sunitinib or sorafenib after progression on cytokine therapy., Materials and Methods: A national database of patients treated with targeted agents was used as the data source. A total of 319 patients treated with sunitinib (n = 181) or sorafenib (n = 138) after progression on cytokine therapy were analyzed., Results: Prognostic factors significantly associated with poor overall survival in a multivariable Cox model included the time from diagnosis to the start of treatment with TKIs<1 year, increased neutrophil counts, increased lactate dehydrogenase, and Eastern Oncology Cooperative Group performance status 2 or higher. The parameters showing statistically significant association with progression-free survival included time from diagnosis to the beginning of treatment with TKI<1 year, increased lactate dehydrogenase, and Eastern Oncology Cooperative Group performance status 2 or higher. We have also validated the International Metastatic Renal Cell Carcinoma Database Consortium prognostic model in our cohort of patients., Conclusion: We demonstrate that the International Database Consortium prognostic model performs well for European patients treated with TKIs, including sunitinib or sorafenib, after progression on cytokines and suggest that a reduction from original 6 down to 4 parameters is possible., (© 2013 Published by Elsevier Inc.)

Background: A retrospective, registry-based analysis to assess the outcomes of metastatic renal cell cancer (mRCC) patients treated with sunitinib and sorafenib who developed dermatologic adverse events was performed., Patients and Methods: Data on mRCC patients treated with sunitinib or sorafenib were obtained from the Czech Clinical Registry of Renal Cell Cancer Patients. Outcomes of patients who developed hand-foot syndrome (HFS) of any grade and/or grade 3/4 rash during the treatment were compared with patients without HFS and no, mild, or moderate rash., Results: The cohort included 705 patients treated with sunitinib and 365 patients treated with sorafenib. For sunitinib, the median overall survival (OS) was 43.0 months versus 31.0 months (P = 0.027) and median progression-free survival (PFS) 20.8 months versus 11.1 months (P = 0.007) for patients with versus without dermatologic toxicity, respectively. For sorafenib, the median OS and PFS were 27.9 and 24.6 months (P = 0.244), and 12.2 and 8.8 months (P = 0.050), respectively. In multivariable Cox regression, the skin toxicity was significantly associated with longer OS in the sunitinib cohort., Conclusion: The presence of skin toxicity is associated with improved OS and PFS in patients with mRCC treated with sunitinib.

Background: Sequential therapy with tyrosine kinase inhibitors (TKIs), sunitinib and sorafenib, is a common treatment choice for patients with advanced/metastatic renal cell carcinoma (mRCC) despite lack of randomised trials. The aim of this retrospective registry-based study was to analyse the outcomes of RCC patients treated with sunitinib-sorafenib or sorafenib-sunitinib sequence., Patients and Methods: The Czech database containing information on patients treated for mRCC using targeted agents was used as a source of data for retrospective analysis. There were 138 patients treated with sunitinib-sorafenib sequence and 122 patients treated with sorafenib-sunitinib sequence., Results: Progression-free survival (PFS) was 17.7 months for patients treated with sunitinib-sorafenib sequence and 18.8 months for those receiving sorafenib followed by sunitinib (P = 0.47). Overall survival (OS) at 1 year was 83% [95% confidence interval (CI) 77% to 90%] for patients treated with sunitinib-sorafenib and 84% (95% CI 77% to 91%) for sorafenib-sunitinib patients (P = 0.99). Treatment toxic effects were predictable but a significant proportion of patients (up to 14%-25% for different lines of therapy and used TKI) switched between TKIs or discontinued TKI therapy because of toxicity., Conclusions: In contrast to most of the previously published reports, we have not observed improved PFS or OS for mRCC patients treated with the sorafenib-sunitinib sequence as compared to the sunitinib-sorafenib sequence.

Heavy chain disease with monoclonal incomplete mu-heavy chains (mu-HCD) is a rare disorder usually associated with an underlying lymphoproliferative malignancy. Laboratory diagnosis of patients with mu-HCD is usually challenging and the monoclonal protein is not detected by electrophoresis in up to 75% of mu-HCD cases. We describe a patient with multiple malignancies in whom we detected and characterized monoclonal mu-heavy chains using immunofixation electrophoresis, capillary zone electrophoresis with immunotyping, and high resolution two-dimensional electrophoresis. The high resolution 2D electrophoresis enabled us to determine the molecular weight of the mu-heavy chains. The abnormal protein concentration in the serum was unusually high, 38 g/l measured in our patient is the highest reported value in the literature so far.