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Permanent URI for this collectionhttps://hdl.handle.net/11443/932

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Author: search.filters.author.Akyurek, Serap

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    The present and future opportunities of the Rare Cancer Network: an international consortium for advancement of oncologic care
    (SAGE PUBLICATIONS LTD, 2015-01-01) Sio, Terence T.; Mirimanoff, Rene-Olivier; Ozyar, Enis; Belkacemi, Yazid; Miller, Robert C.; Villa, Salvador; Thariat, Juliette; Krengli, Marco; Scandolaro, Luciano; Atalar, Banu; Ugurluer, Gamze; Gutierrez Garcia, Beatriz; Ashman, Jonathan B.; Anacak, Yavuz; Onal, Cem; Arat, Mutlu; Sun, Xu Shan; Tesanovic, Dusanka; Lassen-Ramshad, Yasmin; Oksuz, Didem; Dincbas, Fazilet; Sezen, Duygu; Akyurek, Serap; Kutuk, Tugce; Bolukbasi, Yasemin; Eren, Gulnihan; Paryani, Nitesh N.; Ahmed, Safia K.; Moretti, Luigi; Merrell, Kenneth W.; Chang, Kenneth; Mayeda, Mark; Arnett, Andrea L.; Habboush, Jacob Y.; Ozsahin, Mahmut; Network, Rare Canc
    To date, the Rare Cancer Network (RCN) has initiated more than 90 studies and 54 peer-reviewed publications were produced as a result. The Second International Symposium of the Rare Cancer Network recently took place in Istanbul, Turkey on April 17-18, 2015, and update was given on multiple currently ongoing projects, while also giving room for new proposals which will shape the direction of future studies for the group. This companion issue of the RCN Proceedings summarized the findings of this meeting, while also serving as a call for fresh projects and papers which will continue to energize the group and advance the oncologic science. A brief introduction to the principles, history, and vision of the RCN was also included. To review, the academic year of 2014-15 marked an enormous success for the international members of the RCN, with the generation of 8 fully published papers and more than 12 newly proposed topics. By the collective efforts of all RCN members, in the future, we look forward to the upcoming opportunities in continuing to advance the standard of chemo-and radiotherapeutic oncologic care for selected rare tumor topics. The studies of these rare cancers often do not allow the design and execution of prospectively enrolled trials
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    Lung Cancer in Turkey
    (ELSEVIER SCIENCE INC, 2022-01-01) Cangir, Ayten Kayi; Yumuk, Perran Fulden; Sak, Serpil Dizbay; Akyurek, Serap; Eralp, Yesim; Yilmaz, Ulku; Selek, Ugur; Eroglu, Atilla; Tatli, Ali Murat; Dincbas, Fazilet Oner; Kilickap, Saadettin; Sendur, Mehmet Ali Nahit; Dilektasli, Asli Gorek; Bozcuk, Hakan Sat; Ozkok, Serdar; Oztop, Ilhan; Topkan, Erkan; Dilege, Sukru; Kaya, Akin; Demirkazik, Ahmet; Grp, Turk Oncology
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    National Multi-Center Observational Retrospective Study to Understand Treatment Patterns and Outcomes for Stage III Non-Small Cell Lung Cancer Patients in Turkey: Turkish Society for Radiation Oncology Study, STONE Trial
    (AKAD DOKTORLAR YAYINEVI, 2022-01-01) Onal, Cem; Demiral, Ayse Nur; Atalar, Banu; Yalman, Deniz; Dagoglu, Nergiz; Hurmuz, Pervin; Erpolat, Petek; Akyurek, Serap; Gul, Sute Karabulut; Berber, Tanju; Guler, Ozan Cem; Umay, Cenk; Sert, Fatma; Karahacioglu, Eray; Birgi, Sumerya Duru; Yaprak, Gokhan; Saglam, Esra Kaytan
    This study investigated treatment patterns and outcomes in patients with inoperable stage III non-small cell lung cancer (NSCLC) treated with radiotherapy (RT) in Turkey. We included 492 patients with stage III NSCLC in this multi-center retrospective study. Pa-tient demographics, clinical characteristics, and clinical treatment patterns from the time of the initial diagnosis to disease progression were recorded. Additionally, the prognostic factors predicting overall survival (OS) and progression-free survival (PFS) were analyzed. For the initial treatment, 429 patients (89.2\%) received chemotherapy and RT, whereas 53 patients (10.8\%) were treated only with RT. The first disease progression occurred in 288 patients (58.4\%) at 9.3 months (median) after the initial treatment, and 64.6\% re-ceived treatment after first progression. The second disease progression occurred in 30 patients, and 20 patients (66.7\%) received treatment. Median OS and PFS were 27.0 months and 13.4 months, respectively. Age (p< 0.001), stage (p= 0.04), poor performance score (PS) (p= 0.03) and RT doses (p= 0.002) were independent predictors for OS and PFS in our multivariate analysis. Additional significant predictors for OS in the multivariate analysis were gender (p= 0.004), treatment period (0.02), and irradiation technique (p= 0.02). Disease progression occurred in nearly 58\% of the patients, and one-third of these patients remained untreated during the disease progression. These findings indicate a need for additional treatment options in patients with unresectable stage III NSCLC with high-risk features, namely older age, stage IIIB disease, poor PS, and lower RT doses.
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    Changes in radiotherapy practice during COVID-19 outbreak in Turkey: A report from the Turkish Society for Radiation Oncology
    (ELSEVIER IRELAND LTD, 2020-01-01) Anacak, Yavuz; Onal, Cem; Ozyigit, Gokhan; Agaoglu, Fulya; Akboru, Halil; Akyurek, Serap; Gursel, Bilge; Igdem, Sefik; Yalman, Deniz; Yildiz, Ferah; Saglam, Esra Kaytan