BackgroundRectum cancer is a type of colorectal cancer. Its etiology and etiopathogenesis are similar to other colon diseases. We aimed to evaluate the tumor budding for predicting prognosis of resected rectum cancer patients.MethodsWe retrospectively collected the data of 75 operated rectum adenocarcinoma patients who were treated neoadjuvant chemoradiotherapy between 2013 and 2018 in Umraniye Research and Training Hospital and Acıbadem University Medical Oncology Outpatient Clinic. Tumor budding was investigated as a prognostic factor for disease-free survival.ResultsThis study included 75 rectum cancer patients and 51 were male (68%). Median age was 56 (range 19 to 77 years). There were 29 (39%) and 46 (61%) patients in tumor budding low-intermediate and high groups respectively. In multivariate analysis, tumor budding was found to be an independent prognostic factor for disease-free survival (p = 0.00).ConclusionsAccording to our study, having high tumor budding suggests a high likelihood of relapse. Therefore, we might need additional follow-up protocol in these patients.
e16075 Background: Although the distribution in the world varies widely, renal cell carcinoma (RCC) is the ninth most common cancer, especially in males. It’s the seventh most common cancer in Turkey. In this study, the progression-free survival (PFS) and overall survival (OS) of patients with metastatic RCC (mRCC) who were treated at 13 centers in our country were evaluated and the efficacy of first-line treatment approaches was compared. Methods: Data of mRCC patients admitted to 13 outpatient clinics in Turkey between 2008 and 2018 were reviewed retrospectively. Demographic characteristics, pre-treatment clinical evaluations, information about treatment approaches and survival outcomes of the patients were collected. All medical records were collected by a detailed review of the patients’ charts. The median and percentage values were frequently signified for defining of central trends. Kaplan-Meier method was applied for OS analyzes and log-rank test with Cox-regression models were applied for the evaluation of prognostic factors. Results: Data from files of 262 patients were reviewed. Twelve of these patients were excluded from the study because they could not receive treatment due to comorbidities and other reasons at metastatic stage of the disease. Of the patients, 100 (40%) were female and 150 (60%) were male. Median age was 60 (range 21-83). For the entire group, the median PFS (mPFS) was 27.6 months and the median overall survival (mOS) was 46.1 months. In terms of first-line treatment of metastatic disease, 41.3% of the patients received sunitinib, 48.8% of the patients received pazopanib, 15.8% of the patients received other treatments. PFS of the patients receiving sunitinib, pazopanib and the other treatments were 26.3 months, 34.2 months and 14.2 months, respectively. There was no statistically significant difference between PFS of the patients receiving sunitinib and pazopanib (p = 0.05). mOS was 54 months in sunitinib arm, 54.9 months in pazopanib arm and 23.3 months in the other treatment arm. There was no statistically significant difference between two treatment agents in terms of mOS (p = 0.43). Conclusions: Pazopanib was more commonly prescribed in Turkey. There were no statistically significant differences between mPFS and mOS of the patients who received sunitinib and pazopanib for the first-line treatment of mRCC. With increased use of immunotherapeutic agents for the first-line treatment of mRCC in our country, improvement in mOS could be expected.
Purpose: Taxane-containing combinations are recommended for the first-line therapy of advanced gastric cancer. It is not known which chemotherapy regimen is the best with trastuzumab for HER2-positive patients. The aim of this study was to compare taxane-containing intensified chemotherapy versus standard chemotherapy in combination with trastuzumab in the first-line treatment of HER2-positive advanced gastric adenocarcinoma. Methods: This study is a retrospective multicenter study of the Turkish Oncology Group. A total of 130 HER2-positive patients with inoperable locally advanced, recurrent, or metastatic gastric adenocarcinoma being given chemotherapy plus trastuzumab as the first-line treatment were included from 16 different oncology centers. Trastuzumab combination with intensified chemotherapy including taxane or standard chemotherapy was compared in terms of progression-free survival (PFS), overall survival (OS), and toxicity. Results: There were 108 patients in the standard and 22 patients in the intensified chemotherapy group. PFS of the standard and intensified group were 5.6 months (95% confidence interval [CI] 4.8–6.4) and 5.3 months (95% CI 2.6–8), respectively ( p = 0.70). OS of the standard and intensified group were 11.1 months (95% CI 8.3–13.9) and 15.2 months (95% CI 12.7–17.7), respectively ( p = 0.03). Repeated analysis excluding patients given any previous therapy revealed similar results. The intensified group had more fever and febrile neutropenia. Conclusion: Trastuzumab combination with intensified chemotherapy provides better OS in first-line treatment of HER2-positive advanced gastric cancer. Further large-scale studies should be performed in HER2-positive patients.
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