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Öğe Association of obesity with breast cancer clinical and pathological factors: Analysis of Turkish National Breast Cancer Registry.(Amer Soc Clinical Oncology, 2015) Coskun, Ugur; Altundag, Kadri; Aliustaoglu, Mehmet; Uncu, Dogan; Ozkan, Metin; Cicin, Irfan; Ciltas, Aydin[Abstract Not Available]Öğe Characteristics of Turkish colorectal cancer patients and bevacizumab preference.(Amer Soc Clinical Oncology, 2017) Cicin, Irfan; Gumus, Mahmut; Uncu, Dogan; Ozkan, Metin; Kilickap, Saadettin; Elkiran, Tamer E.; Isikdogan, Abdurrahman[Abstract Not Available]Öğe Effect of body mass index in gastric cancer patients: Analysis of Turkish national gastric cancer registry(Amer Soc Clinical Oncology, 2015) Ciltas, Aydin; Karaca, Mustafa; Uncu, Dogan; Ozkan, Metin; Aliustaoglu, Mehmet; Tekin, Salim Basol; Cicin, Irfan[Abstract Not Available]Öğe Effectiveness and Safety of LMWH Treatment in Patients With Cancer Diagnosed With Non-High-Risk Venous Thromboembolism: Turkish Observational Study (TREBECA)(Sage Publications Inc, 2018) Ozaslan, Ersin; Ozkan, Metin; Cicin, Irfan; Benekli, Mustafa; Kocer, Murat; Uysal, Mukremin; Oksuzoglu, BernaWe compared the efficacy and safety of low-molecular-weight heparins (LMWHs) in patients with cancer who are at low risk of venous thromboembolism (VTE). Patients were treated by medical oncologists in Turkey at 15 sites, where they were enrolled and followed up for a period of 12 months. Due to the study design, there was no specific treatment protocol for LMWH. Primary end points were efficacy and the time to change in VTE status. Of the included 250 patients, 239 (95.6%), 176 (70.4%), 130 (52.0%), and 91 (36.4%) completed their day 15, month 3, month 6, and month 12 visits, respectively. Number of patients treated with enoxaparin, bemiparin, and tinzaparin were 133, 112, and 5, respectively. Anticoagulant therapy provoked thrombus resolution in 1.2% and 12.7% of patients using enoxaparin and bemiparin, respectively (P = .004). Thrombus resolution was observed in 81 more patients at month 3 visit. This ratio was 35 (40.2%) of 87 and 46 (54.1%) of 85 patients administered enoxaparin and bemiparin at the third visit, respectively (P = .038). Thrombus resolution was observed in 21 more patients during month 6 visit. This ratio was 5 (7.7%) of 65 and 15 (23.4%) of 64 patients administered enoxaparin and bemiparin at the fourth visit, respectively (P = .022). The LMWH was discontinued in only 2 patients due to gastrointestinal bleeding. This pioneering study shows bemiparin is more effective than enoxaparin in thrombosis resolution and has a similar tolerability profile.Öğe Effectiveness and safety of LMWH treatment in patients with cancer diagnosed with nonhigh-risk venous thromboembolism (VTE): Results of the Turkish observational study (TREBECA).(Amer Soc Clinical Oncology, 2017) Ozaslan, Ersin; Ozkan, Metin; Cicin, Irfan; Benekli, Mustafa; Kocer, Murat; Uysal, Mukremin; Oksuzoglu, Berna[Abstract Not Available]Öğe Predictive and Prognostic Factors in Ovarian and Uterine Carcinosarcomas(Galenos Publ House, 2016) Cicin, Irfan; Ozatli, Tahsin; Turkmen, Esma; Ozturk, Turkan; Ozcelik, Melike; Cabuk, Devrim; Gokdurnali, AyseBackground: Prognostic factors and the standard treatment approach for gynaecological carcinosarcomas have not yet been clearly defined. Although carcinosarcomas are more aggressive than pure epithelial tumours, they are treated similarly. Serous/clear cell and endometrioid components may be predictive factors for the efficacy of adjuvant chemotherapy (CT) or radiotherapy (RT) or RT in patients with uterine and ovarian carcinosarcomas. Heterologous carcinosarcomas may benefit more from adjuvant CT. Aims: We aimed to define the prognostic and predictive factors associated with treatment options in ovarian (OCS) and uterine carcinosarcoma (UCS). Study Design: Retrospective cross-sectional study Methods: We retrospectively reviewed the medical records of patients with ovarian and uterine carcinosarcoma from 2000 to 2013, and 127 women were included in this study (24 ovarian and 103 uterine). Patients admitted to seventeen oncology centres in Turkey between 2000 and December 2013 with a histologically proven diagnosis of uterine carcinosarcoma with FIGO 2009 stage I-III and patients with sufficient data obtained from well-kept medical records were included in this study. Stage IV tumours were excluded. The patient records were retrospectively reviewed. Data from 104 patients were evaluated for this study. Results: Age (>= 70 years) was a poor prognostic factor for UCS (p=0.036). Pelvic +/- para aortic lymph node dissection did not affect overall survival (OS) (p=0.35). Macroscopic residual disease was related with OS (p<0.01). The median OS was significantly longer in stage I-II patients than stage III patients (p=0.03). Adjuvant treatment improved OS (p=0.013). Adjuvant radiotherapy tended to increase the median OS (p=0.075). However, this tendency was observed in UCS (p=0.08) rather than OCS (p=0.6). Adjuvant chemotherapy had no effect on OS (p=0.15). Adjuvant radiotherapy significantly prolonged the median OS in patients with endometrioid component (p=0.034). A serous/clear cell component was a negative prognostic factor (p=0.035). Patients with serous/clear cell histology for whom adjuvant chemotherapy was applied had significantly longer OS (p=0.019), and there was no beneficial effect of adjuvant radiotherapy (p=0.4). Adjuvant chemotherapy was effective in heterologous tumours (p=0.026). In multivariate analysis, the stage and chemotherapy were prognostic factors for all patients. Age was an independent prognostic factor for UCS. However, serous/clear cell histology and radiotherapy tended to be significant prognostic factors. Conclusion: The primary location, the histological type of sarcomatous and the epithelial component may be predictive factors for the efficacy of chemotherapy or radiotherapy in UCS and OCS.Öğe Real-world treatment outcomes from nationwide Onco-colon Turkey registry in RAS wild-type patients treated with biologics second-line mCRC.(Lippincott Williams & Wilkins, 2022) Yildirim, Mahmut Emre; Karaca, Mustafa; Artac, Mehmet; Cicin, Irfan; Geredeli, Caglayan; Alacacioglu, Ahmet; Simsek, Eda Tanrikulu[Abstract Not Available]Öğe Turkish Breast Cancer Registry: A multicenter epidemiologic study(Lippincott Williams & Wilkins, 2014) Coskun, Ugur; Gumus, Mahmut; Uncu, Dogan; Ozkan, Metin; Cicin, Irfan; Altundag, Kadri; Elklran, Tamer[Abstract Not Available]Öğe Turkish National Breast Cancer Registry.(Amer Soc Clinical Oncology, 2015) Altundag, Kadri; Dumanli, Esra; Aliustaoglu, Mehmet; Uncu, Dogan; Ozkan, Metin; Cicin, Irfan; Coskun, Ugur[Abstract Not Available]Öğe Turkish National Colon Cancer Registry.(Amer Soc Clinical Oncology, 2015) Benekli, Mustafa; Dumanli, Esra; Kilickap, Saadettin; Uncu, Dogan; Aliustaoglu, Mehmet; Cicin, Irfan; Gumus, Mahmut[Abstract Not Available]Öğe Tyrosine kinase inhibitors in the treatment of metastatic renal cell cancer patients with early cytokine intolerance: TURCOS, a Turkish national, prospective observational study(Sage Publications Ltd, 2021) Benekli, Mustafa; Gumus, Mahmut; Ozkan, Metin; Dane, Faysal; Elkiran, Emin T.; Cicin, Irfan; Sevinc, AlperObjective Cytokines have been the mainstay of treatment in metastatic renal cell cancer (mRCC) for decades before the introduction of tyrosine kinase inhibitors (TKIs), which dramatically changed the therapeutic landscape in these patients. This observational study was designed to evaluate use of TKIs in the treatment of cytokine-intolerant mRCC patients. Methods A total of 151 cytokine-intolerant mRCC patients who were treated with TKIs (sunitinib, pazopanib and sorafenib) were enrolled in this prospective, non-interventional, multi-center observational study at 16 oncology centers across Turkey. Mean (SD) age was 61.3 (11.1) years and 74.8% were males. Data on duration of TKI treatment was the primary outcome measure. Additionally, overall response rate (ORR), progression free survival (PFS), overall survival (OS) and safety data were recorded. Results Median duration of treatment was 8.2 months at a median follow up of 17.9 months. ORR and disease control rate were 12.5% and 70.8%, respectively. Median PFS and OS were 7.5 months (95%CI: 6.4-10.4) and 27.3 months (95%CI: 17.6-27.3) with no significant difference among three TKI agents in terms of treatment duration, ORR, PFS and OS. The most common adverse events excluding progression-which was the protocol requirement were diarrhea (13.6%), asthenia (13.6%) and hand-foot syndrome (12.6%). Dose modifications were required in 30.5% of the patients and 15% discontinued TKIs because of toxicity. Conclusions Our findings confirm the efficacy and safety profile of TKIs in the first-line treatment of mRCC patients intolerant to cytokine treatment. There was no significant difference among three TKI agents in terms of treatment duration, ORR, PFS and OS.
