Fakülteler / Faculties
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Item Triplet or Doublet Chemotherapy Regimens in Metastatic Gastric Cancer(2022) Yildirim, Serkan; Yilmaz, CengizChemotherapy is the most important treatment option for patients diagnosed at an advanced stage. Chemotherapy both prolongs survival and increases the quality of life. Today, there is still no definite information about whether doublet or triplet chemotherapy should be chosen in empirical therapy. Therefore, we designed our study to evaluate first-line treatment options in metastatic gastric cancer.Our study is retrospective and involves five centers in Turkey. Inclusion criteria were the presence of metastatic gastric adenocarcinoma pathology, not having received treatment for local gastric cancer (surgery, chemotherapy, or radiotherapy), having received chemotherapy (patients with two or more combinations of drugs were included in the study, and patients who received single-drug chemotherapy were not included) for metastatic disease and being HER-2 negative. The survival of the triplet chemotherapy group was significantly longer when compared with the patients who received oxaliplatin-based doublet chemotherapy (11.1 vs. 8.1 months p=0.007). When the patients who received triplet chemotherapy and those who received cisplatin-based doublet chemotherapy were compared, there was no statistically significant difference (11.13 vs. 10.57 months p=0.665).If chemotherapy will be chosen as the first-line treatment in metastatic gastric cancer, choosing triplet chemotherapy regimens if possible, and if doublet chemotherapy will be given for any reason, choosing cisplatin-based regimens may be more appropriate, especially for the patient population in Turkey.Item Concurrent Chemoradiotherapy with Vinorelbine plus Split-Dose Cisplatin may be an Option in Inoperable Stage III Non-Small Cell Lung Cancer: A Single-Center Experience(2015) Mertsoylu, Huseyin; Kose, Fatih; Sumbul, Ahmet Taner; Sedef, Ali Murat; Dogan, Ozlem; Besen, Ali Ayberk; Parlak, Cem; Findikcioglu, Alper; Muallaoglu, Sadik; Sezer, Ahmet; Sakalli, Hakan; Ozyilkan, Ozgur; 25731741Background: Concurrent chemoradiotherapy is the current standard treatment for inoperable stage III non-small cell lung cancer (NSCLC). In this study we aimed to investigate the efficacy and toxicity of CCRT with split dose of cisplatin (30 mg/m(2)) and vinorelbine (20 mg/m(2)) in patients with inoperable stage III NSCLC followed in our oncology clinic. Material/Methods: Medical records of 97 patients with inoperable stage III NSCLC treated with concurrent chemoradiotherapy with cisplatin-vinorelbine were retrospectively analyzed. Cisplatin (30 mg/m(2)) and vinorelbine (20 mg/m(2)) were administered on days 1, 8, 22, and 29 during radiotherapy. Two cycles of consolidation chemotherapy were given. All patient data, including pathological, clinical, radiological, biochemical, and hematological data, were assessed retrospectively using our database system. Results: Our study included 97 unresectable stage III NSCLC patients who were treated with CCRT. Median age was 58 years old (range 39-75) and 87 (89.7%) of the patients were men. ECOG performance score was 0-1 in 93 patients (95.9%). Squamous histology, the most common histology, was diagnosed in 46 patients (47.4%). Median follow-up time was 23.8 months. Median progression-free survival (PFS) and median overall survival time (OS) were 10.3 months and 17.8 months, respectively. Objective response rate and clinical benefit rate were 75.3% and 83.5%, respectively. Distant and local relapse rate were 57.1% and 42.9%, respectively. Hematological and non-hematological grade 3-4 toxicities were seen in 13 (13.4%) and 16 (16.5%) patients, respectively. Six (6.1%) patients died due to toxicity. Conclusions: The results of this study suggest that split-dose cisplatin may offer fewer grade III-IV toxicities without sacrificing efficacy and could be an option in patients with inoperable stage III NSCLC during CCRT. Similar to past studies, despite high response rate during CCRT, distant relapse is the major parameter that influences patient survival in long-term in NSCLC.Item Investigation of the Protective Effects of Acetyl L-Carnitine on Cisplatin-Induced Uterus Toxicity(2018) Goktas, Guleser; Seyhan, Sermin; Saribas, Gulistan Sanem; Akcay, Neslihan Coskun; Gurgen, Seren Gulsen; Akyol, Seda Nur; Hirfanoglu, Ibrahim Murat; Erdogan, Deniz; Ozogul, CandanObjective: The aim of the study was to investigate the prophylactic effects of acetyl L-carnitine against to uterus induced by cisplatin. Methods: Twenty-four female Wistar albino rats were divided into four groups: group I (control) was administered with saline; group II was administered with acetyl L-carnitine; group III was administered with cisplatin; group IV was pretreated with acetyl L-carnitine before cisplatin intraperitoneal injection. After 72h of cisplatin injection uterine tissue was removed. Histological and immunohistochemical investigations were performed, respectively. Results: We found that the number of TUNEL and caspases positive cells were increased in the endometrial epithelium, subepithelial connective tissue, endometrial glands and stroma in group III compare to the other groups. Furthermore inflammation and edema were observed in uterus of rats in group III. Conclusion: We can concluded that pretreatment of acetyl L-carnitine administration has protective effect on histological alteration of uterus caused by cisplatin.