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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 Is Late Recurrence a Predictive Clinical Marker for Better Sunitinib Response in Metastatic Renal Cell Carcinoma Patients?(Cig Media Group, Lp, 2015) Bozkurt, Oktay; Hacibekiroglu, Ilhan; Kaplan, Muhammet Ali; Duzkopru, Yakup; Uysal, Mukremin; Karaca, Halit; Berk, VeliAlthough there has been an increase in overall and progression-free survival with the use of novel targeted therapies in metastatic renal cell carcinoma (mRCC) in recent times, predictive markers to determine which patients would benefit from tyrosine kinase inhibitor therapies are needed. The late recurrence might be a predictive marker for response to sunitinib treatment in patients with mRCC. Background: We investigated the clinicopathological features in patients with recurrent renal cell carcinoma (RCC) within 5 years or more than 5 years after nephrectomy and determined predictors of overall survival (OS) and progression-free survival (PFS) after disease recurrence in the administration of first-line sunitinib in the treatment of metastatic RCC (mRCC). Patients and Methods: In this study we enrolled 86 Turkish patients with mRCC who received sunitinib. Univariate analyses were performed using the log rank test. Results: Fifty-six patients (65%) were diagnosed with disease recurrence within 5 years after radical nephrectomy (early recurrence) and 30 patients (35%) were diagnosed with recurrence more than 5 years after radical nephrectomy (late recurrence). Fuhrman grade was statistically significantly different between the 2 groups (P = .013). The late recurrence patients were significantly associated with the Memorial Sloan Kettering Cancer Center favorable risk group compared with patients with early recurrence (p = .001). There was a statistically significant correlation between recurrence time and the rate of objective remission (ORR) (the late recurrence group vs. the early recurrence group: 43.3% vs. 14.3%, respectively; P = .004). From the time of disease recurrence, the median OS was 42.0 (95% confidence interval [CI], 24.4-59.5) months in the late recurrence group, and 16 (95% CI, 11.5-20.4) months in the early recurrence group (P = .001). Median PFS was 8(95% CI, 4.05-11.9) months in the early recurrence group, and 20 (95% CI, 14.8-25.1) months in the late recurrence group (P <= .001). Conclusion: The study demonstrated a potential prognostic value of late recurrence in terms of PFS, OS, and ORR. (C) 2015 Elsevier Inc. All rights reserved.Öğe Is sunitinib-induced hypothyroidism a predictive clinical marker for better response in metastatic renal cell carcinoma patients?(Taylor & Francis Ltd, 2016) Bozkurt, Oktay; Karaca, Halit; Hacibekiroglu, Ilhan; Kaplan, Muhammed Ali; Duzkopru, Yakup; Uysal, Mukremin; Berk, VeliBackground: The main goal of this study was to examine whether the occurrence of hypothyroidism during sunitinib therapy in patients with metastatic renal cell carcinoma (mRCC) is associated with a better outcome. Methods: The study enrolled 81 patients with pathologically proven mRCC who were treated with sunitinib between March 2008 and June 2013. Thyroid function evaluation comprised (free-thyroxine) FT4 and thyroid-stimulating hormone (TSH) before treatment and at day 1 of each 6-week cycle. Survival analysis was performed using the Kaplan-Meier method, and the differences among the groups were determined using the log-rank test. Results: Hypothyroidism occurred in 30 (37%) of 81 patients within a median 3 months (range 1-18) of treatment initiation. There was a statistically significant correlation between the occurrence of hypothyroidism during treatment and the rate of objective remission (ORR) (hypothyroid patients vs euthyroid patients: 46.7 vs 13.7%, respectively; P = 0.001). Median progression-free survival (PFS) was 10 (95% CI 6.13-13.8) months in the euthyroid patients, and 17 (95% CI 9.33-24.6) months in the hypothyroid patients (P = 0.001). The median overall survival (OS) was 39 (95% CI 25.4-52.5) months in the hypothyroid patients and 20 (95% CI 14.7-25.2) months in the euthyroid patients (P = 0.019). Conclusions: The occurrence of hypothyroidism during treatment in patients was significantly associated with longer PFS, OS and better ORR in the current study.Öğe Is sunitinib-induced hypothyroidism a predictive clinical marker for better response in metastatic renal cell carcinoma patients? [Meeting Abstract](Amer Soc Clinical Oncology, 2015) Ozkan, Metin; Bozkurt, Oktay; Hacibekiroglu, Ilhan; Kaplan, Muhammet Ali; Duzkopru, Yakup; Uysal, Mukremin; Karaca, Halit[Abstract Not Available]
