Aim: To assess the prognostic effect of pan-immune inflammation value (PIV) in patients with metastatic castration-resistant prostate cancer (mCRPC) treated with abiraterone acetate (AA) or enzalutamide.Methods: Patients with mCRPC treated with AA or enzalutamide between January 2010 and June 2021 were included in this study. The most recently examined complete blood count values in the 1-month period before treatment were used for calculating PIV. The relationship between overall survival (OS) and PIV was evaluated by multivariate analysis. By using PIV and lactate dehydrogenase (LDH) levels which had shown survival effect at multivariate analysis, PIV−LDH combined score was established.Results: A total of 114 patients were included in this study. At the median follow-up of 34.6 months (95% confidence interval [CI]: 32.4-36.8), the median OS was 21 months (95% CI: 17.6−21.3). The median OS in the low-PIV group was significantly higher than in the high-PIV group (34.4 months (95% CI: 21.3-47.5) vs. 14.3 months (95% CI: 10.0-18.7), p < 0.001). In the multivariate analysis for OS, high PIV (hazard ratio [HR]: 1.86, 95% CI: 1.11−3.13, p = 0.018) and LDH value 1.5 times the upper limit of normal and above (HR: 3.65 95%, CI: 1.86−7.16, p < 0.001) were associated with shorter OS. When survival analysis was performed according to the PIV−LDH combined score, the median OS was 34.4 months (95% CI: 22.2-46.6) in the low-risk group, 17.7 months (95% CI: 11.7-23.6) in the intermediate-risk group, and 8.4 months (95% CI: 5.1-11.7) in the high-risk group (p < 0.001). The C-index of the combined PIV−LDH score was higher than the C-index of PIV (0.65 vs. 0.61). Conclusion:In this study, we demonstrated that PIV was an independent prognostic factor for OS in patients with mCRPC treated with AA or enzalutamide. Additionally, PIV−LDH combined score may be considered a promising composite peripheral blood-based biomarker to predict OS in those patients.
This study aims to investigate the prognostic value of the systemic immune-inflammation index (SII)and its impact on survival in patients with metastatic renal cell carcinoma (mRCC). A total of 706patients with mRCC treated with tyrosine kinase inhibitors (TKIs)between January 2007 and June 2020 (i.e., sunitinib, pazopanib) were included in this study. SII was calculated in 621 patients with the following formula:[neutrophil (cellsx109/L) x platelet (cellsx109/L)] / lymphocyte (cellsx109/L).All patients were classified into SII-high and SII-low groups based on the cut-off value of SII at 756, which was the median SII level of our study group. The minimal follow-up duration was 10 months in all cohorts. The median age of patients was 60 (interquartile range (IQR):53–67) years. Three out of four patients were male. The majority of patients (85.7%) had clear cell histology, and sarcomatoid differentiation was observed in 16.9% of all patients. There were 311 and 310 patients in the SII-low and SII-high groups, respectively. In general, baseline characteristics were similar in each group. However, the rate of patients treated with sunitinib (63.3% vs. 49.0%, p < 0.001) and those who underwent nephrectomy (83.6% vs. 64.2%, p < 0.001) was higher in the SII-low group than in the SII-high group. On the other hand, patients with the IMDC poorrisk (31.6% vs. 8.0%, p < 0.001), those with bone (51.8% vs. 32.2%, p < 0.001) or central nervous system (12.9% vs. 5.8%, p = 0.026) metastasis, and those with Eastern Cooperative Oncology Group(ECOG) 2–4 performance score (28.1% vs.17.7%, p = 0.002) were more common in the SII-high group than in the SII-low group. The median overall survival (OS) was longer in the SII-low group than in the SII-high group (34.6 months vs. 14.5 months, p < 0.001). Similarly, the median progression-free survival (PFS) was longer in the SII-low group than in the SII-high group (18.0 months vs. 7.7 months, p < 0.001).In multivariableanalysis, SII was an independent prognostic factor for OS (hazard ratio (HR):1.39, 95% confidence interval (CI):1.05–1.85, p = 0.01) and PFS (HR:1.60, 95% CI:1.24–2.05, p < 0.001).Pre-treatment level of high SII might be considered a predictor of poor prognosisin patients with mRCC treated with TKIs.
Immune checkpoint inhibitors (ICIs) have started a new era in treating patients with cancer. The effect of comorbidities and concomitant drug use on ICIs have become of interest in those patients. Data about the impact of hyperglycemia on response to ICIs in cancer patients are limited. All advanced-stage cancer patients treated with ICIs in Ankara University Medical Oncology Department were retrospectively evaluated. Patients treated in expanded access programs or clinical trials were excluded from the study. A total of 137 patients were included in this study. The most common primary tumor type was malign melanoma (32.8%) and nivolumab (62.3%) was the most common used ICI. More than half of patients (57.7%) had lung metastasis at the initiation of ICIs. Thirty-five patients (25.5%) had diabetes before initiating ICIs. Median baseline fasting glucose level was higher in patients with diabetes than those without diabetes (117 mg/dl vs. 99 mg/dl, P = 0.002). In all patients, median overall survival and progression-free survival were 11.3 [95% confidence interval (CI), 8.1–14.4) and 5.9 (95% CI, 3.6–8.3) months, respectively. In multivariate analysis, diabetes was found to increase risk of death [hazard ratio (HR), 2.09; 95% CI, 1.27–3.43, P = 0.004) and disease progression (HR, 2.01, 95% CI, 1.29–3.09, P = 0.002). Hyperglycemia might decrease response to ICIs in patients with advanced cancer. This research area is still an unmet need in the immunotherapy era. Prospective studies are needed to elucidate the effect of hyperglycemia on the response to ICIs.
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