Araştırma Çıktıları

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    Neoadjuvant therapy in pancreatic cancer: what is the true oncological benefit?
    (SPRINGER, 2020-01-01) Ren, Lei; Mota Reyes, Carmen; Friess, Helmut; Demir, Ihsan Ekin
    Background Neoadjuvant therapies (neoTx) have revolutionized the treatment of borderline resectable (BR) and locally advanced (LA) pancreatic cancer (PCa) by significantly increasing the rate of R0 resections, which remains the only curative strategy for these patients. However, there is still room for improvement of neoTx in PCa. Purpose Here, we aimed to critically analyze the benefits of neoTx in LA and BR PCa and its potential use on patients with resectable PCa. We also explored the feasibility of arterial resection (AR) to increase surgical radicality and the incorporation of immunotherapy to optimize neoadjuvant approaches in PCa. Conclusion For early stage, i.e., resectable, PCa, there is not enough scientific evidence for routinely recommending neoTx. For LA and BR PCa, optimization of neoadjuvant therapy necessitates more sophisticated complex surgical resections, machine learning and radiomic approaches, integration of immunotherapy due to the high antigen load, standardized histopathological assessment, and improved multidisciplinary communication.
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    Preclinical Assessment of Efficacy and Safety Analysis of CAR-T Cells (ISIKOK-19) Targeting CD19-Expressing B-Cells for the First Turkish Academic Clinical Trial with Relapsed/Refractory ALL and NHL Patients
    (GALENOS YAYINCILIK, 2020-01-01) Tastan, Cihan; Kancagi, Derya Dilek; Turan, Raife Dilek; Yurtsever, Bulut; Cakirsoy, Didem; Abanuz, Selen; Yilanci, Muhammet; Seyis, Utku; Ozer, Samed; Mert, Selin; Kayhan, Cavit Kerem; Tokat, Fatma; Elmas, Merve Acikel; Birdogan, Selcuk; Arbak, Serap; Yalcin, Koray; Sezgin, Aslihan; Kizilkilic, Ebru; Hemsinlioglu, Cansu; Ince, Umit; Ratip, Siret; Ovali, Ercument
    Objective: Relapsed and refractory CD19-positive B-cell acute lymphoblastic leukemia (ALL) and non-Hodgkin lymphoma (NHL) are the focus of studies on hematological cancers. Treatment of these malignancies has undergone recent transformation with the development of new gene therapy and molecular biology techniques, which are safer and well-tolerated therapeutic approaches. The CD19 antigen is the most studied therapeutic target in these hematological cancers. This study reports the results of clinical-grade production, quality control, and in vivo efficacy processes of ISIKOK-19 cells as the first academic clinical trial of CAR-T cells targeting CD19-expressing B cells in relapsed/refractory ALL and NHL patients in Turkey. Materials and Methods: We used a lentiviral vector encoding the CD19 antigen-specific antibody head (FMC63) conjugated with the CD8-CD28-CD3 zeta