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  • Küçük Resim
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    Association between body mass ındex and survival in patients with de novo metastatic non-small cell lung cancer
    (2024) Ürün, Muslih; Güner, Gürkan; Sezgin, Yasin; Sakin, Abdullah; Kılıçkap, Saadettin
    Background: This retrospective study from a single center included 289 patients diagnosed with advanced non-small cell lung cancer (NSCLC) between 2010 to 2017 and aimed to evaluate the effects of body mass index (BMI) on overall survival. Material/Methods: This retrospective study involved 289 patients diagnosed with metastatic-stage NSCLC at a single institution between January 2010 and December 2017. Patients were categorized into 2 groups based on their BMI at diagnosis: those with a BMI <25 kg/m2 and those with a BMI 325 kg/m2. Univariate and multivariate Cox regression analyses were conducted to identify factors associated with overall survival. Results: A total of 289 patients (241 men, 48 women) were included in the study, with a mean age of 60.1±11.1 years. Among them, 175 patients (60.6%) had a BMI less than 25 kg/m2. Multivariate analysis revealed that BMI, pathological diagnosis, and complete response after first-line treatment were independently associated with survival in patients with lung cancer. Predicted survival time was significantly shorter in the BMI <25 group than in the BMI 325 group (9.3 months vs 13.0 months, P<0.05). Conclusions: The study demonstrated that a higher BMI at the time of diagnosis is associated with improved overall survival in patients with de novo metastatic NSCLC. BMI may serve as an important prognostic factor in this patient population. Future prospective, multi-center studies are necessary to further validate the role of BMI in predicting survival outcomes in NSCLC patients across different treatment modalities.
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    Prognostic significance of the advanced lung cancer inflammation index in metastatic small cell lung cancer: a retrospective analysis of 96 patients
    (2024) Ürün, Müslih; Güner, Gürkan; Sezgin, Yasin; Uysal, Emre; Sakin, Abdullah; Kılıçkap, Saadettin
    Background: The advanced lung cancer inflammation index (ALI) is regarded as a potential indicator of systemic inflammation. This retrospective study aimed to evaluate the prognostic role of the ALI in 96 patients with advanced small cell lung cancer (SCLC). Material/Methods: This retrospective study included 96 patients who were diagnosed with extensive stage SCLC in a single institution between 2016 and 2022. The formula for ALI is body mass index (kg/m2)×serum albumin (g/dL)/neutrophil to lymphocyte ratio. Patients were divided into low inflammation (ALI ≥32.5) and high inflammation (ALI <32.5) groups. Kaplan-Meier analysis and Cox proportional analysis were conducted to assess the association between the ALI and patient prognosis. Results: Median age was 61 (range: 41-82) years. Median follow-up was 9 months, and median overall survival (OS) was 10 months (95% CI: 7.75-12.45). A lower ALI score (ALI <32.5) was correlated with a poorer OS than was a higher ALI score (median OS 7 months for ALI <32.5 95% CI: 4.6-9.3 vs 15 months for ALI ≥32.5, 95% CI: 10.6-19.3, P<0.001). In the multivariate analysis, ALI score, Eastern Cooperative Oncology Group performance status, brain metastasis, and bone metastasis were identified as independent prognostic factors. Conclusions: ALI score is a substantial predictor of survival in SCLC as in other types of cancer types. Patients with a low ALI score have poorer survival. Assessment of ALI can identify lung cancer patients at high risk of poor prognosis and can be a useful prognostic marker in clinical practice.