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PURPOSE: This study aimed to investigate the impact of nutritional status and frailty phenotype and the predictors of temporal changes on health-related quality of life (HRQoL) of patients with bladder or kidney cancer. METHODS: Frailty phenotype, Patient-Generated Subjective Global Assessment, and Quality-of-life questionnaire Core-30 were applied twice to patients diagnosed with bladder or kidney cancer. Patients also completed a sociodemographic questionnaire, and clinical data were collected from records. RESULTS: Sixty-two individuals completed the study, mostly male, with a mean age of 62.5 (± 11.4) years. The median time of follow-up was 14.5 months. Role functioning, emotional functioning, and fatigue improved over time (p < 0.05). The factors that negatively affected the long-term quality of life summary score were being female, malnourished, pre-frail and frail, cancer treatment, performance status, and lower income. Using the multivariate model, being malnourished (ß = - 7.25; 95% CI, - 10.78 to - 3.71; p < 0.001), frail (ß = - 7.25; 95% CI, - 13.39 to - 1.11; p = 0.021), and each one-point increase in performance status (ß = - 6.9; 95% CI, - 9.54 to - 4.26; p < 0.001), were the ones that most negatively impacted the HRQoL between the two assessments. CONCLUSION: This study confirmed that frailty, nutritional status, and performance status are the main predictors of HRQoL of patients with bladder or kidney cancer over time. IMPLICATIONS FOR CANCER SURVIVORS: These findings may be the first step towards highlighting the importance of preventing malnutrition and frailty, in favor of a better long-term QoL for cancer patients.

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BACKGROUND: Cancer is a risk factor for developing severe COVID19. Additionally, SARS-CoV2 has a special tropism for renal cells and complications like thrombosis or cytokine storm could be enhanced by standard treatments in kidney cancer (i.e., antiangiogenics or immunotherapy). Thus, understanding the impact of COVID19 in patients with this tumor is key for their correct management. METHODS: We designed a retrospective case-control study comparing the outcome of three groups of advanced kidney cancer patients on systemic treatment: cohort A (developed COVID19 while on antiangiogenics), cohort B (developed COVID19 while on immunotherapy) and cohort C (non-infected). Matching factors were age, gender, and treatment. RESULTS: 95 patients were recruited in 16 centers in Spain from September 2020 to May 2021. Finally, 85 were deemed as eligible (23 cohort A, 21 cohort B, 41 cohort C). Patients with COVID required more dose interruptions (25 vs. six) and hospitalizations (10 vs. none) than those without COVID (both p = 0.001). No difference between cohorts A and B was observed regarding hospitalization or length of stay. No ICU admission was registered and one patient in cohort B died due to COVID19. Regarding cancer evolution, three patients in cohort A presented progressive disease after COVID19 compared to two in cohort B. One case in cohort B, initially deemed as stable disease, achieved a partial response after COVID19. CONCLUSIONS: Kidney cancer patients who developed COVID19 while on systemic therapy required more treatment interruptions and hospitalizations than those non-infected. However, no significant impact on cancer outcome was observed. Also, no difference was seen between cases on antiangiogenics or immunotherapy.

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PURPOSE: Patients with clear cell renal cell carcinoma (ccRCC) might develop metastasis after surgery with curative intent. We aimed to characterize the expression levels of microRNAs in the urine (UmiRNAs) of patients before and after nephrectomy to determine the impact of UmiRNAs expression in the emergence of metastases. METHODS: We prospectively collected pre- and post-nephrectomy urine samples from 117 patients with clinically localized and locally advanced ccRCC. UmiRNAs were extracted, purified, and measured using RT-PCR. Relative quantifications (RQ) of 137 UmiRNAs were calculated through 2-∆∆ method. The post-surgery/pre-surgery RQs ratio represented the magnitude of the expression levels of the UmiRNAs. The association of UmiRNA expression and the development of distant metastases was tested with Cox regression model. RESULTS: Five UmiRNAs (miR-191-5p, miR-324-3p, miR-186-5p, miR-93-5p, miR-30b-5p) levels were upregulated before nephrectomy (p < .05). This conferred a 2- to 4-fold increased risk of metastasis, with miR-191-5p showing the most significant association with this endpoint (HR = 4.16, 95% CI = 1.38-12.58, p = .011). In a multivariate model stratified with stage and Fuhrman grade, we found that miR-191-5p, miR-324-3p, and miR-186-5p exhibited a strong association with metastasis development in patients with pathological T3 (pT3) tumors. Enrichment analysis with the most differentially expressed UmiRNAs showed that these UmiRNAs targeted genes that regulate cell survival and proliferation. CONCLUSION: Our study indicated UmiR-191-5p, UmiR-324-3p, and UmiR-186-5p are potential markers to predict the development of metastasis, particularly in pT3 patients. PATIENT SUMMARY: We compared changes of UmiRNAs expression detected pre- and postnephrectomy of patients with ccRCC. Our findings suggest that UmiRNA expression likely reflects tumor-specific changes that can be promising to predict the metastasis development, particularly in patients with non-metastatic locally advanced ccRCC. If confirmed, these findings may be useful for surveillance protocols for adjuvant therapy protocols.

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Introduction: The survival of patients with metastatic renal cell carcinoma (mRCC) has improved dramatically due to novel systemic treatments. However, mRCC mortality continues to rise in Latin America. Methods: A retrospective, multicenter study of patients diagnosed with mRCC between 2010-2018 in Mexico City was conducted. The aim of the study was to evaluate the impact of healthcare insurance on access to treatment and survival in patients with mRCC. Results: Among 924 patients, 55.4%, 42.6%, and 1.9% had no insurance (NI), social security, (SS) and private insurance (PI), respectively. De novo metastatic disease was more common in NI patients (70.9%) compared to SS (47.2%) and PI (55.6%) patients (p<0.001). According to IMDC Prognostic Index, 20.2% were classified as favorable, 49% as intermediate, and 30.8% as poor-risk disease. Access to systemic treatment differed by healthcare insurance: 36.1%, 99.5%, and 100% for the NI, SS, and PI patients, respectively (p<0.001). NI patients received fewer lines of treatment, with 24.8% receiving only one line of treatment (p<0.001). Median overall survival (OS) was 13.9 months for NI, 98.9 months for SS, and 147.6 months for NI patients (p<0.001). In multivariate analysis, NI status, brain metastases, sarcomatoid features, bone metastases, no treatment were significantly associated with worse OS. Conclusion: OS in mRCC was affected by insurance availability in this resource-limited cohort of Mexican patients. These results underscore the need for effective strategies to achieve equitable healthcare access in an era of effective, yet costly systemic treatments.

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RESUMEN El carcinoma de células renales (CCR) aproximadamente el 15 por ciento se presentan como localmente avanzado o metastásico, donde la cirugía no es curativa. El pronóstico de los pacientes con CCR avanzado o metastásico puede variar desde unos meses hasta algunos años, según las características clínicas, patológicas, radiológicas de la enfermedad. El advenimiento del uso de anti monoclonales basado en la inmunoterapia como inhibidores de puntos de control en la terapia sistémica inicial para el CCR avanzado de células claras. Presentaremos un caso clínico donde la inmunoterapia juega un rol mediante el uso de anti monoclonales para el abordaje de un paciente varón con enfermedad renal metastásica que presenta respuesta clínica después del tratamiento quirúrgico e inmunoterapia por 2 años sin evidencia de enfermedad oncológica hasta la actualidad.

ABSTRACT Approximately 15 percent of renal cell carcinoma (RCC) present as locally advanced or metastatic, where surgery is not curative. The prognosis of patients with advanced or metastatic RCC can vary from a few months to a few years, depending on the clinical, pathological, and radiological characteristics of the disease. The advent of the use of anti-monoclonal-based immunotherapy as checkpoint inhibitors in initial systemic therapy for advanced clear cell RCC. We will present a clinical case where immunotherapy plays a role through the use of anti-monoclonal drugs to treat a male patient with metastatic kidney disease who presents a clinical response after surgical treatment and immunotherapy for 2 years without evidence of oncological disease to date.

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Objectives: To describe and compare the incidence, stage at diagnosis, and survival for genitourinary cancers in the border regions and in Hispanic-Americans. Materials and methods: A population-based search was performed using the Surveillance, Epidemiology, and End Results Program 18 database and the Texas Cancer Registry from 2000 to 2017. Cox regression models were performed with adjusted for age, gender, race, cancer type, cancer stage, insurance status, and cause of death were used to compare cancer-specific survival. Results: A total of 63,236 kidney and renal pelvis, 38,398 bladder, 170,640 prostate, 24,313 testicular cancer cases were identified. Cancer-specific survival was found to be improved in Hispanic-Americans in kidney and renal pelvis (hazard ratio [HR], 0.903, 95% confidence interval [CI], 0.856-0.952, p = 0.0001), and bladder cancers (HR, 0.817, 95% CI, 0.743-0.898, p < 0.001), despite a more advanced stage at diagnosis in Hispanics with bladder cancer (p < 0.0074). Testicular cancer has a survival disadvantage for individuals living in the border region (HR, 1.315, 95% CI, 1.124-1.539, p = 0.0006). Conclusions: Disparities exist between Hispanic-Americans and Non-Hispanic White and also between individuals living in the border counties when compared to other regions. This is most significant in individuals with testicular cancer residing in the border region who demonstrate worse overall survival.

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Calyceal diverticulum (CD) is a rare anatomic anomaly with an incidence of 0.2% to 0.6% in the patients undergoing renal imaging. They are considered benign lesions and malignancy is exceedingly rare. For diagnosis it is suggested to perform a multiphasic contrast-enhanced computed tomography (CT) evidencing a diverticulum of the pelvicalyceal system with thin-walled cavities communicating with the central collecting system. However, they can be usually mistaken as kidney cancers leading to unjustified nephrectomy. Here, we present a case of a 34-year-old patient who underwent surgery in 2022 due to suspected kidney cancer and histopathological analysis surprisingly reported a CD.

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PURPOSE: Both venous and arterial thrombotic events (VTE/AT) can be associated with immune checkpoint inhibitors (ICI). However, there is a paucity of information apropos patients in routine clinical practice. METHODS/PATIENTS: Retrospective, multicenter study promoted by the Thrombosis and Cancer Section of the Spanish Society of Medical Oncology (SEOM). Individuals with kidney or bladder cancer who initiated ICI between 01/01/2015 and 12/31/2020 were recruited. Minimum follow-up was 6 months (except in cases of demise). The primary objective was to calculate the incidence of ICI-associated VTE/AT and secondary objectives included to analyze their impact on survival and identify variables predictive of VTE/AT. RESULTS: 210 patients with kidney cancer were enrolled. The incidence of VTE/AT during follow-up (median 13 months) was 5.7%. Median overall survival (OS) was relatively lower among subjects with VTE/AT (16 months, 95% CI 0.01-34.2 vs. 27 months, 95% CI 22.6-31.4; p = 0.43). Multivariate analysis failed to reveal predictive variables for developing VTE/ AT. 197 patients with bladder were enrolled. There was a 9.1% incidence rate of VTE/AT during follow-up (median 8 months). Median OS was somewhat higher in patients with VTE/AT (28 months, 95% CI 18.4-37.6 vs 25 months, 95% CI 20.7-29.3; p = 0.821). Serum albumin levels < 3.5 g/dl were predictive of VTE/ AT (p < 0.05). CONCLUSIONS: There appears to be no association between developing VTE/AT and ICI use in patients with renal or bladder cancer. Serum albumin levels are a predictive factor in individuals with bladder cancer.

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BACKGROUND: The incidence of kidney cancer has been increasing worldwide, with variable patterns in mortality due to improved diagnostic techniques and increased survival. The mortality rates, geographical distribution and trends of kidney cancer in South America remain poorly explored. This study aims to illustrate mortality by kidney cancer in Peru. METHODS: A secondary data analysis of the Deceased Registry of the Peruvian Ministry of Health database, from 2008 to 2019 was conducted. Data for kidney cancer deaths were collected from health facilities distributed throughout the country. We estimated age-standardized mortality rates (ASMR) per 100,000 persons and provided an overview of trends from 2008 to 2019. A cluster map shows the relationships among 3 regions. RESULTS: A total of 4221 deaths by kidney cancer were reported in Peru between 2008 and 2019. ASMR for Peruvian men ranged from 1.15 to 2008 to 1.87 in 2019, and from 0.68 to 2008 to 0.82 in 2019 in women. The mortality rates by kidney cancer rose in most regions, although they were not significant. Callao and Lambayeque provinces reported the highest mortality rates. The rainforest provinces had a positive spatial autocorrelation and significant clustering (p < 0.05) with the lowest rates in Loreto and Ucayali. CONCLUSION: Mortality by kidney cancer has increased in Peru, being a trend that disproportionally affects more men than women. While the coast, especially Callao and Lambayeque, present the highest kidney cancer mortality rates, the rainforest has the lowest rates, especially among women. Lack of diagnosis and reporting systems may confound these results.

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INTRODUCTION: Dual immunotherapy (ipilimumab/nivolumab, IO/IO) and immunotherapy/tyrosine kinase inhibitor (IO/TKI) combinations (e.g. pembrolizumab/axitinib) are approved for the first-line treatment of intermediate/poor risk metastatic renal cell carcinoma (RCC), but there is limited comparative data between these two options. We sought to understand how oncologists decide between IO/IO vs. IO/TKI. METHODS: We sent a 10-question electronic survey centered on a patient scenario of intermediate/poor risk metastatic RCC to 294 academic/disease-focused and general oncologists in the US. RESULTS: We received 105 responses (36% response rate): 61% (64) of providers chose IO/IO, 39% (41) chose IO/TKI. 78% (82) of oncologists were academic or disease-focused, 22% (23) were general. Academic/disease-focused oncologists were significantly more likely to choose IO/IO (56/82, 68%) than general oncologists (8/23, 35%), P = .004. Among those who chose IO/IO, the perceived main issue with IO/TKI was: long-term toxicities - 31% (20), short-term toxicities - 28% (18), less effective - 28% (18), less convenient - 8% (5). Among those who chose IO/TKI, the perceived main issue with IO/IO was: short-term toxicities - 43% (17), less effective - 28% (11), long-term toxicities - 15% (6), and risk of death - 10% (4). 88% (92) of providers would be comfortable enrolling patients into a phase III trial comparing IO/IO vs. IO/TKI. We found no associations between therapy chosen by a provider and participation as PI in a trial of IO/IO or IO/TKI, or receipt of outside funding from an IO/IO or IO/TKI company. CONCLUSION: In response to a patient scenario of intermediate/poor risk metastatic RCC, 61% of providers chose IO/IO, 39% chose IO/TKI. There was a significant association between type of practice and choice of therapy, with academic/disease-focused oncologists more likely to choose IO/IO. The majority of oncologists would be comfortable enrolling patients into a phase III trial comparing IO/IO vs. IO/TKI.

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MicroRNAs (miRNAs) are small RNA sequences that act as post-transcriptional regulatory genes to control many cellular processes through pairing bases with a complementary messenger RNA (mRNA). A single miRNA molecule can regulate more than 200 different transcripts and the same mRNA can be regulated by multiple miRNAs. In this review, we highlight the importance of miRNAs and collect the existing evidence on their relationship with kidney cancer.

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Patients with clear cell renal cell carcinoma (ccRCC) have poor survival outcomes, especially if it has metastasized. It is of paramount importance to identify biomarkers in genomic data that could help predict the aggressiveness of ccRCC and its resistance to drugs. Thus, we conducted a study with the aims of evaluating gene signatures and proposing a novel one with higher predictive power and generalization in comparison to the former signatures. Using ccRCC cohorts of the Cancer Genome Atlas (TCGA-KIRC) and International Cancer Genome Consortium (ICGC-RECA), we evaluated linear survival models of Cox regression with 14 signatures and six methods of feature selection, and performed functional analysis and differential gene expression approaches. In this study, we established a 13-gene signature (AR, AL353637.1, DPP6, FOXJ1, GNB3, HHLA2, IL4, LIMCH1, LINC01732, OTX1, SAA1, SEMA3G, ZIC2) whose expression levels are able to predict distinct outcomes of patients with ccRCC. Moreover, we performed a comparison between our signature and others from the literature. The best-performing gene signature was achieved using the ensemble method Min-Redundancy and Max-Relevance (mRMR). This signature comprises unique features in comparison to the others, such as generalization through different cohorts and being functionally enriched in significant pathways: Urothelial Carcinoma, Chronic Kidney disease, and Transitional cell carcinoma, Nephrolithiasis. From the 13 genes in our signature, eight are known to be correlated with ccRCC patient survival and four are immune-related. Our model showed a performance of 0.82 using the Receiver Operator Characteristic (ROC) Area Under Curve (AUC) metric and it generalized well between the cohorts. Our findings revealed two clusters of genes with high expression (SAA1, OTX1, ZIC2, LINC01732, GNB3 and IL4) and low expression (AL353637.1, AR, HHLA2, LIMCH1, SEMA3G, DPP6, and FOXJ1) which are both correlated with poor prognosis. This signature can potentially be used in clinical practice to support patient treatment care and follow-up.

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INTRODUCTION: In colorectal, cervical, and breast cancers, oncologic follow-up can exacerbate or alleviate patient stress about disease recurrence. Such patient experiences are less well defined for urologic malignancies. We developed a cross-sectional prospective survey study to assess kidney (Kid), prostate (Pros), and bladder (Bld) cancer patient perceptions of oncologic follow-up following surgical treatment. PATIENTS AND METHODS: Patients with pTanyNanyM0 Kid, Pros, and Bld cancer presenting at least 60 days following primary surgical treatment of their cancer were eligible. Receipt of adjuvant therapy or disease recurrence were exclusion criteria. Questionnaires assessing attitudes towards follow-up and stress-reducing strategies were administered prior to revealing testing results. Analysis was performed according to cancer type and level of recurrence risk, with pathologic stage used a proxy for recurrence risk. RESULTS: Three hundred thirty-seven patients were prospectively surveyed from 2018 to 2020: 127 (38%) Kid, 134 (40%) Pros, and 76 (23%) Bld. Patients showed satisfaction with provided strategies to combat recurrence anxiety (Kid 86%, Pros 81%, Bld 85%). However, approximately 16% of patients reported wanting, but not receiving, strategies for fear reduction. Most patients reported diagnostic tests were "Not at All" burdensome (Kid 86%, Pros 94%, Bld 82%) and disagree that fewer tests would alleviate anxiety (Kid 89%, Pros 91%, Bld 84%). The majority reported an increased sense of worry if there were no cancer follow-ups (Kid 84%, Pros 80%, Kid 81%), and preferred their specialist to their family physician to direct such care (Kid 89%, Pros 91%, Bld 95%). When stratified by recurrence risk, no significant differences existed across cancers in patients' attitudes toward follow-up. However, Pros cancer patients showed a difference in fear of recurrence ("Not at All" worried about recurrence ≤T2 38%, ≥T3, 19%; P= .04). CONCLUSION: Urology patients appear satisfied with their oncologic follow-up. Sixteen percent of patients sought additional strategies to combat fear, indicating opportunity for improvement.

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Resumen El presente articulo describe un caso clínico de una paciente con un ''trombo tumoral''. Estos son tumores que se extienden desde el órgano afectado hasta el atrio derecho, por la vena cava inferior. Hasta el 10 % de los tumores descritos pueden alcanzar la vena cava inferior y el 1 % de estos llegan a atrio derecho. El carcinoma de células renales es el más frecuente en producir este cuadro. El objetivo del articulo es mostrar que es fundamental realizar un adecuado diagnóstico diferencial, ya que existen diferentes procesos tumorales que pueden causar un ''trombo tumoral'' y diferentes causas de masas en el atrio derecho. La clínica de los pacientes con este cuadro será por obstrucción de la vena cava. El diagnóstico se realiza con estudios de imágenes, ultrasonido (US), ecocardiograma, tomografía axial computarizada (TAC) y resonancia magnética. El manejo debe de ser quirúrgico, sin embargo, presenta pronóstico desfavorable, en algunos casos se puede resecar el tumor primario y extraer la masa que ha invadido la vena cava inferior.

Abstract: This article describes a clinical case of a patient with a 'tumoral thrombus''. These are tumors that extend from the affected organ to the right atrium, through the inferior vena cava. Up to 10% of the tumors described can reach the inferior vena cava and 1% of these reach the right atrium. Renal cell carcinoma is the most common to produce this condition. The objective of the article is to show that it is essential to carry out an adequate differential diagnosis since there are different tumor processes that can cause a ''tumoral thrombus'' and different causes of masses in the right atrium. The symptoms of patients with this condition will be caused by the obstruction of the vena cava. The diagnosis is made with imaging studies, ultrasound (US), echocardiography, computerized axial tomography (CT) and magnetic resonance imaging. The management must be surgical, however it has an unfavorable prognosis, in some cases the primary tumor can be resected and the mass that has invaded the inferior vena cava removed.

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In the last decade, the development of immune checkpoint inhibitors have revolutionized the treatment of patients with advanced renal cell carcinoma, with the potential for dramatic changes in the therapeutic landscape. Nivolumab, a monoclonal antibody inhibitor of transmem-brane programmed cell death protein 1 (PD-1), was approved as monotherapy in 2015 for advanced renal cell carcinoma in patients previously treated with an agent targeting vascular endothelial growth factor. In April 2018, the combination of nivolumab and ipilimumab, a cytotoxic T-lymphocyte-associated antigen 4 inhibitor, was approved for patients with previously untreated intermediate- and poor-risk advanced renal cell carcinoma. Then, in 2019, combination therapies consisting of pembrolizumab (anti-PD-1) or avelumab (anti-PD-1 ligand, PD-L1) with axitinib (a vascular endothelial growth factor receptor tyrosine kinase inhibitor) were also approved for use in all risk groups. This review pre-sents a brief historical review of the association between immunology and oncology; describes essential aspects of the mechanism of action of immune checkpoint inhibitors; discusses the current evidence regarding the clinical use of different immunotherapy regimens for the treatment of patients with renal cell carcinoma, both clear cell and other histological types; and provides general information on their adverse effects. The role of appropriate patient selection is analyzed to allow individualization of therapy and improve the already promising results. Finally, per-spectives on the future use of immune checkpoint inhibitors to treat renal cancer are discussed.

En la última década, el desarrollo de inhibidores de puntos de control o checkpoints inmunológicos, ha revolucionado el tratamiento de los pacientes con carcinoma de células renales avanzado avizorándose posibles cambios dramáticos en el escenario terapéutico. Nivolumab, un anticuerpo monoclonal inhibidor de la proteína transmembrana de muerte celular programada 1 (PD-1), se aprobó como monoterapia en 2015 para carcinoma de células renales avanzado en pacientes previamente tratados con algún agente dirigido al factor de crecimiento endotelial vascular. En abril de 2018, la combinación de nivolumab e ipilimumab, un inhibidor del CTLA-4, fue aprobado para pacientes con carcinoma de células renales avanzado de riesgo intermedio y riesgo desfavorable, previamente no tratados. Luego, en 2019, terapias combinadas que consisten en pembrolizumab (anti-PD-1) o avelumab (anti-ligando-PD-1, PD-L1) con axitinib (un inhibidor del receptor tirosina kinasa del factor de crecimiento endotelial vascular); también fueron aprobadas para su uso en todos los grupos de riesgo. En esta revisión se presenta una breve reseña histórica sobre la asociación entre la inmunología y la oncología; se describen aspectos básicos del mecanismo de acción de los inhibidores de puntos de control inmunológicos; se discute la evidencia actual relacionada con el uso clínico de los distintos esquemas de inmu-noterapia para el tratamiento de pacientes con carcinoma de células renales, tanto de células claras como de otros tipos histológicos; y se entrega información general sobre sus efectos adversos. Se analiza el rol de la adecuada selección de pacientes que permita una individualización de la terapia y, por ende, una mejora de los ya promisorios resultados. Por último, se discuten las perspectivas sobre el uso futuro de los inhibidores de puntos de control inmunológicos para el tratamiento del cáncer renal.

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PURPOSE: This research aimed to assess the impact of nutritional status and frailty in the health-related quality of life (HRQoL) of patients with bladder or kidney cancer. METHODS: This was a cross-sectional study with individuals aged 20 years or older. Frailty phenotype was defined using the criteria of Fried et al. (2001). Patient-Generated Subjective Global Assessment (PG-SGA) classified nutritional status. The European Organization for Research and Treatment of Cancer Quality of life questionnaire Core-30 third version (EORTC QLQ-C30) assessed HRQoL. RESULTS: Forty-four patients with bladder and 44 with kidney cancer, mostly male, with a mean age of 65.9 and 58.6 years, respectively, were evaluated. Presence of frailty was not different between young and older adults. More than 80% of the robust subjects were well-nourished, while there was a predominance of frail with some degree of malnutrition (p < 0.05). The summary score of HRQoL was worse among the frails than pre-frails and robusts, both in bladder (68.5 vs 86.8 vs 89.5; p = 0.002) and in kidney cancer (54.9 vs 82.9 vs 91.4; p < 0.001), as well as in malnourished compared to well-nourished with bladder (72.9 vs 90.3; p = 0.003) and kidney cancer (69.4 vs 88.3; p = 0.001). After adjusted, frailty and malnutrition continued associated with poor summary score (p < 0.05). CONCLUSION: These findings indicate that frailty and malnutrition negatively affect HRQoL of patients with bladder or kidney cancer in several aspects.

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BACKGROUND: Sequential inhibition of the vascular endothelial growth factor (VEGF) pathway with sorafenib could be useful for patients with metastatic renal cell carcinoma (RCC). Our aim was to determine the activity and tolerability of sorafenib as a second-line therapy in advanced RCC initially treated with a different VEGF-tyrosine kinase inhibitor (TKI). METHODS: A prospective observational cohort in Mexico (2012-2019). We included 132 subjects with metastatic RCC and who had progression despite treatment with sunitinib. The primary end-point was time to disease progression as evaluated every 12-16 weeks. RESULTS: The mean age of the cohort was 59 years (interquartile range [IQR] 50-72), 96 (73%) were men, and 48 (36%) had a favorable prognosis according to the IMDC (International Metastatic RCC Database Consortium) prognostic model. The median progression-free survival (PFS) and overall-survival after the introduction of sorafenib treatment was 8.6 months (95% confidence interval [CI]: 6.7-10.5) and 40 months (95% CI: 34.5-45.4) respectively. The median overall survival from RCC diagnosis to death was 71 months (95% CI: 58.2-83.8). On multivariable analyses, age > 65 years was associated with a longer PFS (HR 0.51; 95% CI: 0.31-0.86; p = 0.018). The median PFS in subjects aged > 65 years was longer compared to subjects ≤65 years (14.0 [95% CI: 9.2-18.8] vs. 7.2 months [95% CI: 5.3-9.1]; p = 0.012). Adverse events grade ≥ 3 associated with sorafenib occurred in 38 (29%) patients. CONCLUSION: Sequential inhibition of VEGF with sorafenib as a second-line treatment may benefit patients with metastatic RCC, especially in subjects > 65 years old.

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BACKGROUND: Kidney cancer is one of the most common cancers in the world. It is necessary to clarify its underlying mechanism and find its prognostic biomarkers. Current studies showed that SHMT2 may be participated in several kinds of cancer. METHODS: Our studies investigated the expression of SHMT2 in kidney cancer by Oncomine, Human Protein Atlas database and ULCAN database. Meanwhile, we found its co-expression gene by cBioPortal online tool and validated their relationship in A498 and ACHN cells by cell transfection, western blot and qRT-PCR. Besides these, we also explored their prognostic values via the Kaplan-Meier plotter database in different types of kidney cancer patients. RESULTS: SHMT2 was found to be increased in 7 kidney cancer datasets, compared to normal renal tissues. For the cancer stages, ages and races, there existed significant difference in the expression of SHMT2 among different groups by mining of the UALCAN database. High SHMT2 expression is associated with poor overall survival in patients with kidney cancer. Among all co-expressed genes, NDUFA4L2 and SHMT2 had a high co-expression efficient. SHMT2 overexpression led to the increased expression of NDUFA4L2 at both mRNA and protein levels. Like SHMT2, overexpressed NDUFA4L2 also was associated with worse overall survival in patients with kidney cancer. CONCLUSION: Based on above results, overexpressed SHMT2 and its co-expressed gene NDUFA4L2 were all correlated with the prognosis in kidney cancer. The present study might be benefit for better understanding the clinical significance of SHMT2 and provided a potential therapeutic target for kidney cancer in future.

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Background: The incidence of renal cell carcinoma (RCC) is increasing globally due to an aging population and widespread use of imaging studies. Objective: The aim of this study was to describe the characteristics and perioperative outcomes of RCC surgery in very elderly patients (VEP), ≥75 years of age. Methods: This is a retrospective comparative study of 3656 patients who underwent the treatment for RCC from 1990 to 2015 in 28 centers from eight Latin American countries. We compared baseline characteristics as well as clinical and perioperative outcomes according to age groups (<75 vs.≥ 75 years). Surgical complications were classified with the Clavien-Dindo score. We performed logistic regression analysis to identify factors associated with perioperative complications. Results: There were 410 VEP patients (11.2%). On bivariate analysis, VEP had a lower body mass index (p < 0.01) and higher ASA score (ASA >2 in 26.3% vs. 12.4%, p < 0.01). There was no difference in performance status and clinical stage between the study groups. There were no differences in surgical margins, estimated blood loss (EBL), complication, and mortality rates (1.3% vs. 0.4%, p = 0.17). On multivariate regression analysis, age ≥75 years (odds ratio [OR] 2.33, p < 0.01), EBL ≥ 500 cc (OR 3.34, p < 0.01), and > pT2 stage (OR 1.63, p = 0.04) were independently associated with perioperative complications. Conclusions: Surgical resection of RCC was safe and successful in VEP. Age ≥75 years was independently associated with 30-day perioperative complications. However, the vast majority were low-grade complications. Age alone should not guide decision-making in these patients, and treatment must be tailored according to performance status and severity of comorbidities. (REV INVEST CLIN. 2020;72(5):308-15)

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BACKGROUND: Current evidence regarding health-related quality of life (HRQoL) changes among patients with kidney cancer (KC) is limited. We characterized HRQoL changes from before (baseline) to after (follow-up) diagnosis of KC in older Americans relative to matched controls, and identified sociodemographic and clinical factors associated with HRQoL changes in older patients with KC. MATERIALS AND METHODS: This longitudinal, population-based, retrospective cohort study used data from Surveillance, Epidemiology and End Results linked with Medicare Health Outcomes Survey, 1998-2013. Participants aged ≥65 years with baseline and follow-up survey data were identified. Those with primary KC (n = 186) were matched to adults without cancer (n = 558). HRQoL (physical component summary and mental component summary [MCS]) changes in KC patients were compared using generalized linear mixed-effects models to those of controls. Regression models were used to identify baseline factors associated with HRQoL changes. RESULTS: The adjusted least squares mean (95% confidence interval) reduction in physical component summary from baseline to follow-up was greater in KC patients vs. controls (-4.1 [-5.6, -2.7] vs. -2.3 [-3.1, -1.4], P = 0.025). While the reduction in MCS was similar in both groups (-2.4 [-3.9, -0.8] vs. -1.5 [-2.4, -0.6], P = 0.338). Lower income and distant stage KC predicted greater declines in MCS among KC patients. CONCLUSION: KC significantly affects overall general health in older patients, with sociodemographic factors and distant KC predicting greater reductions in HRQoL. Findings may help clinicians set patient expectations about their HRQoL post-diagnosis and increase clinician awareness of risk factors for HRQoL deterioration.

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