Journal of cancer research and clinical oncology · 2025
Sex-related disparities in outcomes of survival in biliary tract cancer patients.
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Sever Nadiye, Yunusov Emil, Majidova Nargiz, Kocaaslan Erkam, Erel Pınar, Ağyol Yeşim, Güren Ali Kaan, Çelebi Abdussamet, Işık Selver, Bayoğlu İbrahim Vedat, Köstek Osman, Sarı Murat
Аннотация
INTRODUCTION: Biliary tract cancer (BTC) is a rare and aggressive cancer with a poor prognosis. Despite treatment, overall survival is less than 12 months. It is a proven fact that women have better chemotherapy responses and survival than men in almost all cancer types. We believe that gender is one of the important factors affecting the prognosis of BTC. In this study, we aimed to investigate the effect of gender on prognosis in this type of cancer.
METHODS: This study was designed as a single-centre retrospective analysis of patients with BTC. All patients, regardless of operability, were included in the study. Prognostic factors were analysed using univariate and multivariate analysis.
RESULTS: A total of 100 patients (48% female) were included in the study. The median follow-up time was 72.2 months (95% CI 39.3-105.0), and the median OS was 9.5 months (95% CI 5.3-13.8) for all study patients. The 72-month survival rate was 13.4%. The observed survival rates at 10.4% for male patients and 15.7% for female patients demonstrate the importance of considering gender as a prognostic factor. A multivariate analysis indicated a significant association between female gender and longer overall survival, with an adjusted hazard ratio of 0.59 (95% CI 0.38-0.92, p = 0.02).
CONCLUSION: It is clear that female gender is associated with a better response to chemotherapy and longer survival in BTCs. These findings should be taken into account in treatment selection and prognosis predictions. Further research may help elucidate the mechanisms underlying these sex differences and help develop more effective treatments.
METHODS: This study was designed as a single-centre retrospective analysis of patients with BTC. All patients, regardless of operability, were included in the study. Prognostic factors were analysed using univariate and multivariate analysis.
RESULTS: A total of 100 patients (48% female) were included in the study. The median follow-up time was 72.2 months (95% CI 39.3-105.0), and the median OS was 9.5 months (95% CI 5.3-13.8) for all study patients. The 72-month survival rate was 13.4%. The observed survival rates at 10.4% for male patients and 15.7% for female patients demonstrate the importance of considering gender as a prognostic factor. A multivariate analysis indicated a significant association between female gender and longer overall survival, with an adjusted hazard ratio of 0.59 (95% CI 0.38-0.92, p = 0.02).
CONCLUSION: It is clear that female gender is associated with a better response to chemotherapy and longer survival in BTCs. These findings should be taken into account in treatment selection and prognosis predictions. Further research may help elucidate the mechanisms underlying these sex differences and help develop more effective treatments.