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    Predictive and Prognostic Value of ABO Blood Group in Patients Using Immune Checkpoint Inhibitor for Advanced Renal Cell Carcinoma
    (2022) Ergün, Yakup; Urakçı, Zuhat; Yazıcı, Ozan; İmamoğlu, Gökşen İnanç; Kahraman, Seda; Açıkgöz, Yusuf; Uncu, Doğan
    Objective: We investigated the prognostic and predictive effects of the ABO blood group system on patients receiving immune checkpoint inhibitors for advanced renal cell carcinoma (RCC). Material and Methods: In this retrospective observational study, the data on the patients with known ABO blood group, who were administered nivolumab for mRCC, were reviewed. The tumor response rates and survival were analyzed based on the ABO blood group. Results: A total of 89 patients were included in the study. The median age of the patients was 57 (range: 24-83 years) years, and 67% (n=60) of the patients were male. Moreover, 43%, 18%, 9%, and 30% of the patients had blood groups A, B, AB, and O, respectively. Our study had a median follow-up time of 11 months. Although the groups did not differ significantly in progression-free survival (PFS) and overall survival (OS) according to the blood groups, patients who had the B blood type survived longer. For patients with blood types A, B, AB, and O, the median PFS was 5.3 months, 8.4 months, 3.7 months, and 7.8 months, respectively (p=0.8), and the median OS was 14.5 months, 20.3 months, 12.0 months, and 16.5 months, respectively (p=0.8). Conclusion: Although the groups did not differ significantly according to the ABO blood group, the patients with the B blood group survived relatively longer. These results suggested that further studies with more patients should be conducted.
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    Treatment outcomes and prognostic factors in patients with driver mutant non-small cell lung cancer and de novo brain metastases
    (Nature Portfolio, 2024) Kahraman, Seda; Karakaya, Serdar; Kaplan, Muhammed Ali; Göksu, Sema Sezgin; Öztürk, Akın; İşleyen, Zehra Sucuoğlu; Hamdard, Jamshid
    Central nervous system (CNS) metastases can be seen at a rate of 30% in advanced stages for patients with non-small cell lung cancer (NSCLC). Growing evidence indicates the predictive roles of driver gene mutations in the development of brain metastases (BM) in recent years, meaning that oncogene-driven NSCLC have a high incidence of BM at diagnosis. Today, 3rd generation targeted drugs with high intracranial efficacy, which can cross the blood-brain barrier, have made a positive contribution to survival for these patients with an increased propensity to BM. It is important to update the clinical and pathological factors reflected in the survival with real-life data. A multi-center, retrospective database of 306 patients diagnosed with driver mutant NSCLC and initially presented with BM between between November 2008 and September 2022 were analyzed. The median progression-free survival (mPFS) was 12.25 months (95% CI, 10-14.5). While 254 of the patients received tyrosine kinase inhibitor (TKI), 51 patients received chemotherapy as first line treatment. The median intracranial PFS (iPFS) was 18.5 months (95% CI, 14.8-22.2). The median overall survival (OS) was 29 months (95% CI, 25.2-33.0). It was found that having 3 or less BM and absence of extracranial metastases were significantly associated with better mOS and iPFS. The relationship between the size of BM and survival was found to be non-significant. Among patients with advanced NSCLC with de novo BM carrying a driver mutation, long-term progression-free and overall survival can be achieved with the advent of targeted agents with high CNS efficacy with more conservative and localized radiotherapy modalities.