Prognostic significance of carbonic anhydrase IX overexpression in stage III non-small cell lung cancer patients after neoadjuvant treatment |
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Authors: | Kamuran Ibis Sezer Saglam Esra Kaytan Saglam Pinar Firat Dilek Yilmazbayhan Alper Toker Berker Ozkan Veysel S Hancer Murat Buyukdogan Rian Disci Kezban Nur Pilanci |
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Institution: | 1. Department of Radiation Oncology, Istanbul University Medical Faculty, Istanbul, Turkey;2. Department of Medical Oncology, Istanbul Bilim University, Istanbul, Turkey;3. Department of Pathology, Koc University School of Medicine, Istanbul, Turkey;4. Department of Thoracic Surgery, Istanbul University Medical Faculty, Istanbul, Turkey;5. Istinye University, Department of Medical Genetics, Istanbul, Turkey;6. Goztepe Medical Park Hospital, Istanbul, Turkey;g. Department of Biostatistics, Basic Medical Sciences, Istanbul University Medical Faculty, Istanbul, Turkey;h. Department of Medical Oncology, Istanbul Haseki Egitim Arastirma Hospital, Istanbul, Turkey;i. Department of Pathology, Istanbul University Medical Faculty, Turkey |
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Abstract: | BackgroundTo assess the prognostic importance of carbonic anhydrase IX (CA IX), a hypoxic biomarker, after neoadjuvant treatment in Stage III non-small cell lung cancer (NSCLC) patients.MethodsTissue CA IX expression was examined after surgical resection in 77 patients who had undergone neoadjuvant treatment. The effects of CA IX overexpression and other clinical factors on disease-free survival and overall survival were investigated.ResultsIn multivariate analysis, number of neoadjuvant chemotherapy (CT) courses and gender emerged as significant independent predictors for disease-free survival, where administration of 2–3 courses of neoadjuvant chemotherapy (CT) (HR, 3.2 95% CI 1.3–7.6], p?=?0.009) and female gender were associated with poor survival (HR, 3.2 95% CI 1.3–7.7], p?=?0.009). The only significant independent predictor for overall survival was recurrence (HR, 5.6 95% CI 2.4–12.8], p?<?0.001). On the other hand, CA IX overexpression was not associated with disease free survival (p?=?0.560) or overall survival (p?=?0.799).DiscussionOur results do not suggest a prognostic role for CA IX overexpression in stage III NSCLC patients who received neoadjuvant treatment. |
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Keywords: | Non-small cell lung cancer (NSCLC) Carbonic anhydrase IX (CA IX) Neoadjuvant treatment Prognosis Overall survival Disease free survival |
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