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Öğe Efficacy and safety results of pemetrexed administration in non-small cell lung cancers, a multicenter study of the Association of Anatolian Medical Oncology.(Lippincott Williams & Wilkins, 2013) Yasar, Nurgul; Unal, Olcun Umit; Geredeli, Caglayan; Inal, Ali; Berk, Veli; Sari, Ebru; Durnali, Ayse[Abstract Not Available]Öğe Prognostic Factors and Treatment Outcomes in 93 Patients with Uterine Sarcoma from 4 Centers in Turkey(Asian Pacific Organization Cancer Prevention, 2012) Durnali, Ayse; Tokluoglu, Saadet; Ozdemir, Nuriye; Inanc, Mevlude; Alkis, Necati; Zengin, Nurullah; Sonmez, Ozlem UysalIntroduction: Uterine sarcomas are a group of heterogenous and rare malignancies of the female genital tract and there is a lack of consensus on prognostic factors and optimal treatment. Objective and Methodology: To perform a retrospective evaluation of clinicopathological characteristics, prognostic factors and treatment outcomes of 93 patients with uterine sarcomas who were diagnosed and treated at 4 different centers from November 2000 to October 2010. Results: Of the 93 patients, 58.0% had leiomyosarcomas, 26.9% malignant mixed Mullerian tumors, 9.7% endometrial stromal sarcomas, and 5.4% other histological types. According to the last International Federation of Gynecology and Obstetrics (FIGO) staging, 43.0% were stage I, 20.4% were stage II, 22.6% were stage III and 14.0 % were stage IV. Median relapse free survival (RFS) was 20 months (95% confidence interval (CI), 12.4-27.6 months), RFS after 1, 2, 5 years were 66.6%, 44.1%, 16.5% respectively. Median overall survival (OS) was 56 months (95% CI, 22.5-89.5 months), and OS after 1, 2, 5 years was 84.7%, 78%, 49.4% respectively. Multivariate analysis showed that age >= 60 years and high grade tumor were significantly associated with poor OS and RFS; patients administered adjuvant treatment with sequential chemotherapy and radiotherapy had longer RFS time. Among patients with leiomyosarcoma, in addition to age and grade, adjuvant treatment with sequential chemotherapy and radiotherapy after surgery had significant effects on OS. Conclusion: Uterine sarcomas have poor progrosis even at early stages. Prognostic factors affecting OS were found to be age and grade.Öğe Prognostic factors for teenage and adult patients with high-grade osteosarcoma: an analysis of 240 patients(Humana Press Inc, 2013) Durnali, Ayse; Alkis, Necati; Cangur, Sengul; Yukruk, Fisun Ardic; Inal, Ali; Tokluoglu, Saadet; Seker, Mehmet MetinThe aim of this retrospective, multicenter study was to evaluate clinicopathological characteristics, prognostic factors and treatment outcomes of teenage and adult patients with high-grade osteosarcoma. A total of 240 osteosarcoma patients who were diagnosed and treated from March 1995 to September 2011 were analyzed. Median age was 20 years (range 13-74 years), and 153 patients (63.8 %) were male. Primary tumor localization was extremity in 204 patients (85.4 %), trunk in 21 patients (8.8 %) and head and neck region in 14 patients (5.9 %). According to American Joint Committee on Cancer staging system, 186 patients (77.5 %) were stage II, 3 (1.3 %) were stage III and 48 (20.0 %) were stage IV. Median overall survival (OS) was 55 months (95 % CI 36.8-73.1 months). OS after 2, 5 and 10 years were 67, 49 and 42 %, respectively. Univariable analysis for OS showed that male gender (p = 0.032), high baseline lactate dehydrogenase (LDH) level (p < 0.001), high baseline serum alkaline phosphatase level (p = 0.002), telangiectatic subtype (p = 0.023), presence of metastasis at diagnosis (p < 0.001), presence of tumor positive margins after primary surgery (p = 0.015), poor pathological response to preoperative chemotherapy (p = 0.006) and presence of recurrent disease during follow-up period (p < 0.001) were significantly associated with poor survival. Patientswho received postoperative methotrexate plus doxorubicin plus cisplatin (M + A + P) combination regimen (p = 0.019), underwent surgery for recurrent disease (p < 0.001) and received chemotherapy for recurrent disease (p < 0.001) had longer OS. Inmultivariable analysis for OS, only high LDH level (p = 0.002) and the presence of metastasis at diagnosis (p = 0.011) were associated with poor OS, whereas the patients who received chemotherapy for recurrent disease had a longer OS (p = 0.009).Öğe Retrospective analysis of 178 patients with stage I rectum cancer.(Lippincott Williams & Wilkins, 2013) Cihan, Sener; Ozdemir, Nuriye; Urakci, Zuhat; Kucukoner, Mehmet; Dane, Faysal; Yazilitas, Dogan; Durnali, Ayse[Abstract Not Available]Öğe Retrospective evaluation of premenopausal hormone-sensitive breast cancer patients treated with adjuvant gonadotropin-releasing hormone analogue.(Lippincott Williams & Wilkins, 2014) Demirci, Ayse; Alkis, Necati; Dane, Faysal; Yazilitas, Dogan; Durnali, Ayse; Inanc, Mevlude; Ozcelik, Melike[Abstract Not Available]Öğe Retrospective evaluation of premenopausal hormone-sensitive breast cancer patients treated with adjuvant gonadotropin-releasing hormone analogue: Anatolian Society of Medical Oncology (ASMO) study(Wiley, 2018) Demirci, Ayse; Alkis, Necati; Dane, Faysal; Durnali, Ayse; Yazici, Omer Kamil; Rzayev, Rashad; Kaya, SerapAimThe goal of this study is to evaluate possible factors affecting the survival of patients treated with gonadotropin-releasing hormone (GnRH) analogues. MethodsDemographic characteristics, treatment modalities, overall survival (OS) and the possible factors affecting the survival a total of 554 premenopausal breast cancer patients in Turkey evaluated retrospectively. ResultsThe median duration of GnRH analogues use was 2213.6 (range, 1-87) months. Patients were divided into three groups according to the duration of GNRH analogues use; 4-12 months (Group A), 13-24 months (Group B) and 25 months (Group C). Overall, 530 patients were analyzed; 23.2%, 45.8%, 30.9% of the patients were in Group A, B and C, respectively. The median follow-up duration was 34 +/- 30.3 (range, 4-188) months. The OS in patients 35 years of age was found to be significantly longer than that of patients >35 years of age in Group B (log rank, P = 0.023). The disease-free survival of the patients in Group A was significantly shorter than that of patients in Group C (log rank, P = 0.003). The OS of Group A patients was significantly shorter in comparison to that of Group B and Group C patients (log rank, P = 0.000) and the OS of Group B patients was significantly shorter than Group C (log rank, P = 0,000). ConclusionThere is currently no definite data on the optimal duration of GnRH analogues use. One of the important results of this study that will provide an insight to the future studies is the improvement gained in OS by the increase in the duration of GnRH analogues use.