Fakülteler / Faculties

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Author: search.filters.author.Kaynar, LeylagulHas files: No

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    Autologous Hematopoietic Progenitor Cell Mobilization and Collection in Adult Patients Presenting with Multiple Myeloma and Lymphoma: A Position-Statement from The Turkish Society of Apheresis (TSA)
    (2017) Tekgunduz, Emre; Arat, Mutlu; Goker, Hakan; Ozdogu, Hakan; Kaynar, Leylagul; Cagirgan, Seckin; Erkurt, Mehmet Ali; Vural, Filiz; Kiki, Ilhami; Altuntas, Fevzi; Demirkan, Fatih; https://orcid.org/0000-0002-8902-1283; 29153306; AAD-5542-2021
    Autologous hematopoietic cell transplantation (AHCT) is a routinely used procedure in the treatment of adult patients presenting with multiple myeloma (MM), Hodgkin lymphoma (HL) and various subtypes of non-Hodgkin lymphoma (NHL) in upfront and relapsed/refractory settings. Successful hematopoietic progenitor cell mobilization (HPCM) and collection are the rate limiting first steps for application of AHCT. In 2015, alinost 1700 AHCT procedures have been performed for MM, HL and NHL in Turkey. Although there are recently published consensus guidelines addressing critical issues regarding autologous HPCM, there is a tremendous heterogeneity in terms of mobilization strategies of transplant centers across the world. In order to pave the way to a more standardized HPCM approach in Turkey, Turkish Society of Apheresis (TSA) assembled a working group consisting of experts in the field. Here we report the position statement of TSA regarding autologous HPCM mobilization strategies in adult patients presenting with MM and lymphoma. (C) 2017 Elsevier Ltd. All rights reserved.
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    Current Practice of Autologous Hematopoietic Progenitor Cell Mobilization in Adult Patients with Multiple Myeloma And Lymphoma: The Results of A Survey From Turkish Hematology Research And Education Group (Threg)
    (2017) Tekgunduz, Emre; Demirkan, Fatih; Vural, Filiz; Goker, Hakan; Ozdogu, Hakan; Kiki, Ilhami; Aydogdu, Ismet; Kaynar, Leylagul; Erkurt, Mehmet Ali; Cagirgan, Seckin; Besisik, Sevgi; Dagdas, Simten; Koca, Ebru; Kadikoylu, Gurhan; Gunduz, Eren; Yilmaz, Mehmet; Bekoz, Huseyin; Ural, Ali Ugur; Basturk, Abdulkadir; Arat, Mutlu; Albayrak, Murat; Ozturk, Erman; Akyol, Alev; Bolaman, Ali Zahit; Nevruz, Oral; Ozkan, Hasan Atilla; Ozgur, Gokhan; Altuntas, Fevzi; 29153305
    Autologous hematopoietic cell transplantation (AHCT) is an established treatment option for adult patients presenting with multiple myeloma (MM), Hodgkin lymphoma (HL) and various subtypes of non-Hodgkin lymphoma (NHL) in upfront and/or relapsed/refractory disease settings. Although there are recently published consensus guidelines addressing critical issues regarding autologous hematopoietic progenitor cell mobilization (HPCM), mobilization strategies of transplant centers show high variability in terms of routine practice. In order to understand the current institutional policies regarding HPCM in Turkey and to obtain the required basic data for preparation of a national positional statement on this issue, Turkish Hematology Research and Education Group (ThREG) conducted a web-based HPCM survey. The survey was designed to include multiple-choice questions regarding institutional practice of HPCM in adults presenting MM, HL, and NHL. The representatives of 27 adult HCT centers participated to the study. Here we report the results of this survey shedding light on the real world experience in Turkey in terms of autologous HPCM mobilization strategies in patients presenting with MM and lymphoma. (C) 2017 Elsevier Ltd. All rights reserved.
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    A Comparison of the BEAM and MITO/MEL Conditioning Regimens for Autologous Hematopoietic Stem Cell Transplantation in Hodgkin Lymphoma: An Analysis of Efficiency and Treatment-Related Toxicity
    (2020) Yeral, Mahmut; Aytan, Pelin; Gungor, Burcu; Boga, Can; Unal, Ali; Koc, Yener; Kaynar, Leylagul; Buyukkurt, Nurhilal; Eser, Bulent; Ozdogu, Hakan; 0000-0002-8902-1283; 0000-0002-0895-4787; 0000-0002-9680-1958; 0000-0002-9580-628X; 32605899; AAD-5542-2021; AAE-1457-2021; AAD-6222-2021
    In this multicenter retrospective study, we compared the efficacy and toxicity of BEAM (BCNU, etoposide, cytarabine, and melphalan) and MITO/MEL (mitoxantrone, melphalan) preparation regimens. The 3-year expected overall survival for the MIT/MEL and BEAM were 86.1% and 91.3%, respectively. The MITO/MEL seems to be as effective as the BEAM but has better tolerability in terms of pulmonary toxicity and may be used as an alternative option. Background: Approximately half of patients with relapsed chemosensitive disease achieve robust responses with BEAM (BCNU, etoposide, cytarabine, and melphalan) and autologous stem cell rescue. The scarcity of comparative studies further limits alternative treatment protocols, such as the MITO/MEL (mitoxantrone, melphalan) protocol. Patients and Methods: In this retrospective multicenter study, we compared the BEAM and MITO/MEL regimens used before autologous hematopoietic stem cell transplantation (ASCT) in terms of efficacy and side effects in patients with Hodgkin lymphoma. Data met international accreditation rules. Before ASCT, 108 patients received the MITO/MEL, and 34 patients received the BEAM. Results: The median follow-up time was 36 months in the MITO/MEL group (range, 3-178) and 23 months in the BEAM group (range, 4-99). After ASCT, the 3-year expected overall survival and disease-free survival rates were 86.1% and 86.1% for the MITO/MEL group and 91.3% and 76.5% for the BEAM group, respectively. Although 50% of patients developed febrile neutropenia attacks in the MITO/MEL group, this rate was 91.1% in the BEAM group. The grade II and higher rates of hepatic, renal, gastrointestinal, and cardiac toxicities were similar in both groups. However, the rate of pulmonary toxicity was determined to be 1.9% in the MITO/MEL group and 29.4% in the BEAM group (P < .001). Conclusion: The MITO/MEL conditioning regimen seems to be as effective as the BEAM regimen but has better tolerability in terms of pulmonary toxicity and may be used as an alternative option if necessary, depending on the comorbidity status of the patient.
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    Elotuzumab Plus Pomalidomide or Lenalidomide is Able to Achieve Durable >= Vgpr Responses Among Immunomodulatory/Proteasome Inhibitor Refractory Myeloma Patients: A Report on Multicenter Experience From Turkey
    (2019) Beksac, Meral; Seval, Guldane Cengiz; Paydas, Semra; Tuglular, Tulin Firatli; Arslan, Onder; Goker, Hakan; Kaynar, Leylagul; Altuntas, Fevzi; Atalay, Figen; Teke, Havva Uskudar; Bolaman, Ali Zahit; Pehlivan, Mustafa; Sonmez, Mehmet; Demir, Ahmet Muzaffer; Topcuoglu, Pervin; Yilmaz, Mehmet; Kabukcu, Sibel Hacioglu; Albayrak, Murat; Yurttas, Nurgul Ozer; Salihoglu, Ayse; Cakar, Merih Kizil; Gurman, Gunhan