Σημαντική ερευνητική δραστηριότητα με κύριο αντικείμενο τον ηπατοκυτταρικό καρκίνο, τη συστηματική θεραπεία και τους προγνωστικούς δείκτες έκβασης. Συμμετοχή σε πολυκεντρικές μελέτες και ανάπτυξη προγνωστικών μοντέλων επιβίωσης σε ασθενείς με προχωρημένο HCC υπό ανοσοθεραπεία.

• Development of a novel prognostic score for 1-year survival in immunotherapy - treated patients with unresectable HCC: the ALIVE-IO score
• Reference: Frontiers of Immunology
• Authors: Spyridon Pantzios 1, Orestis Sidiropoulos 1, Antonia Syriha 1 , Nikolaos Ptohis 2, Ioannis Skouras 3, Evgenia Mainta3 , Dimitris P. Korkolis4, Nikolaos Machairas 5, Georgios Sotiropoulos5 and Ioannis Elefsiniotis 1
• Impact of neutrophil-to-lymphocyte ratio on survival outcomes among cirrhotic and non-cirrhotic patients with advanced hepatocellular carcinoma under νatezolizumab-bevacizumab combination therapy
• Reference: Annals of Gastroenterology
• Authors: Spyridon Pantzios, Orestis Sidiropoulos, Antonia Syriha, Ioanna Stathopoulou, Sofia Rellou, Emmanouil Nychas, Georgia Barla, Nikolaos Ptohis, Ioannis Elefsiniotis.
• Efficacy of atezolizumab-bevacizumab combination therapy early after recurrence of hepatocellular carcinoma following resection or ablation with a curative intent
• Authors: Spyridon Pantzios, Antonia Syriha, Ioanna Stathopoulou, Orestis Sidiropoulos, Sofia Rellou, Georgia Barla, Nikolaos Ptohis, Dimitris P. Korkolis, Georgios C. Sotiropoulos, Ioannis Elefsiniotis | Journal Name: Annals of Gastroenterology Endoscopic retrograde cholangiopancreatography training conditions, results from a pan-European survey: Between vision and reality
• Journal Name: UEG Journal Evaluation of gastroenterology training curriculum in Greece Alexandros Ioannou, Konstantina Dimopoulou, Evripidis Rizos, Eleni Manthopoulou, Oresti Sidiropoulos, Evgenia Papathanasiou, Georgios Tziatzios, Konstantina Paraskeva, Ioannis S. Papanikolaou
• Reference: United European Gastroenterology Journal DOI: 10.1002/ueg2.12630