The efficacy of shortening the dosing interval to once every six weeks in Crohn’s patients losing response to maintenance dose of infliximab von Kopylov, U., Mantzaris, G. J., Katsanos, K. H., Reenaers, C., Ellul, P., Rahier, J. F., Israeli, E., Lakatos, P. L., Fiorino, G., Cesarini, M., Tsianos, E. V., Louis, E., Ben‐Horin, S.

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Randomised clinical trial: deep remission in biologic and immunomodulator naïve patients with Crohn's disease – a SONIC post hoc analysis von Colombel, J.‐F., Reinisch, W., Mantzaris, G. J., Kornbluth, A., Rutgeerts, P., Tang, K. L., Oortwijn, A., Bevelander, G. S., Cornillie, F. J., Sandborn, W. J.

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The management of iron deficiency in inflammatory bowel disease – an online tool developed by the RAND/UCLA appropriateness method von Reinisch, W., Chowers, Y., Danese, S., Dignass, A., Gomollón, F., Haagen Nielsen, O., Lakatos, P. L., Lees, C. W., Lindgren, S., Lukas, M., Mantzaris, G. J., Michetti, P., Moum, B., Peyrin‐Biroulet, L., Toruner, M., Woude, J., Weiss, G., Stoevelaar, H.

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The natural history of COVID-19 in vaccinated inflammatory bowel disease patients von Viazis, N., Drygiannakis, I., Karmiris, K., Theodoropoulou, A., Zampeli, E., Tzouvala, M., Bamias, G., Liatsos, C., Theocharis, G., Vrakas, S., Tsironi, E., Mathou, N., Mantaka, A., Christidou, A., Koustenis, K., Veretanos, Ch, Papathanasiou, E., Zacharopoulou, E., Tribonias, G., Kitsou, V., Kartsoli, S., Theodoulou, A., Michopoulos, S., Thomopoulos, K., Koutroubakis, I.E., Mantzaris, G.J.

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Inflammatory Bowel Disease [IBD] and Physical Activity: A Study on the Impact of Diagnosis on the Level of Exercise Amongst Patients With IBD von Gatt, K, Schembri, J, Katsanos, K H, Christodoulou, D, Karmiris, K, Kopylov, U, Pontas, C, Koutroubakis, I E, Foteinogiannopoulou, K, Fabian, A, Molnar, T, Zammit, D, Fragaki, M, Balomenos, D, Zingboim, N, Ben Horin, S, Mantzaris, G J, Ellul, P

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Efficacy of switching from infliximab to golimumab in patients with ulcerative colitis in deep remission von Viazis, N., Pontas, C., Manolakis, A., Karampekos, G., Tsoukali, E., Galanopoulos, M., Koustenis, K., Archavlis, E., Christidou, A., Gazouli, M., Mantzaris, G. J.

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Letter: European Medicines Agency recommendations for allergic reactions to intravenous iron‐containing medicines von Gomollón, F., Chowers, Y., Danese, S., Dignass, A., Haagen Nielsen, O., Lakatos, P. L., Lees, C. W., Lindgren, S., Lukas, M., Mantzaris, G. J., Michetti, P., Moum, B., Peyrin‐Biroulet, L., Toruner, M., Woude, J., Weiss, G., Stoevelaar, H., Reinisch, W.

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Infliximab, Azathioprine, or Combination Therapy for Crohn's Disease von Colombel, Jean Frédéric, Sandborn, William J, Reinisch, Walter, Mantzaris, Gerassimos J, Kornbluth, Asher, Rachmilewitz, Daniel, Lichtiger, Simon, D'Haens, Geert, Diamond, Robert H, Broussard, Delma L, Tang, Kezhen L, van der Woude, C. Janneke, Rutgeerts, Paul

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A Prospective Randomized Controlled Trial of Intravenous Ciprofloxacin as an Adjunct to Corticosteroids in Acute, Severe Ulcerative Colitis von Mantzaris, G. J., Petraki, K., Archavlis, E., Amberiadis, P., Kourtessas, D., Christidou, A., Triantafyllou, G.

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P891 Estimating diet’s quality in patients with Crohn’s disease during remission von Karachaliou, A, Yannakoulia, M, Bletsa, M, Mantzaris, G J, Tzouvala, M, Bamias, G, Kontogianni, M D

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P364 Presence of malnutrition adversely affects short-term clinical outcomes in a sample of patients with Crohn's disease (CD) von Karachaliou, A, Lekakis, V, Bletsa, M, Mantzaris, G J, Tzouvala, M, Bamias, G, Kontogianni, M D

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A Prospective Randomized Controlled Trial of Intravenous Ciprofloxacin as an Adjunct to Corticosteroids in Acute, Severe Ulcerative Colitis von MANTZARIS, G. J, PETRAKI, K, ARCHAVLIS, E, AMBERIADIS, P, KOURTESSAS, D, CHRISTIDOU, A, TRIANTAFYLLOU, G

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The Role of Colonoscopy in the Differential Diagnosis of Acute, Severe Hemorrhagic Colitis von Mantzaris, G. J., Hatzis, A., Archavlis, E., Petraki, K., Lazou, A., Ladas, S., Triantafyllou, G., Raptis, S. A.

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Of ciprofloxacin and ulcerative colitis von Mantzaris, Gerassimos J.

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Intermittent therapy with high-dose 5-aminosalicylic acid enemas maintains remission in ulcerative proctitis and proctosigmoiditis von MANTZARIS, G. J, HATZIS, A, PETRAKI, K, SPILIADI, C, TRIANTAPHYLLOU, G

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Post-inflammatory Polyp Burden as a Prognostic Marker of Disease-outcome in Patients with Inflammatory Bowel Disease von Ellul, Pierre, Schembri, John, Vella Baldacchino, Andrea, Molnár, Tamas, Resal, Tamas, Allocca, Mariangela, Furfaro, Federica, Dal Buono, Arianna, Theodoropoulou, Angeliki, Fragaki, Maria, Tsoukali, Emmanouela, Mantzaris, Gerassimos J, Phillips, Frank M, Radford, Shellie, Moran, Gordon, Gonzalez, Haidee, Sebastian, Shaji, Fousekis, Fotios, Christodoulou, Dimitrios, Snir, Ifat, Lerner, Zlata, Yanai, Henit, Michalopoulos, Georgios, Tua, Julia, Camilleri, Liberato, Papamichael, Kostas, Karmiris, Konstantinos, Katsanos, Konstantinos

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P560 Curcumin-QingDai combination for patients with active ulcerative colitis: A randomized double-blinded placebo-controlled trial von Ben-Horin, S, Salomon, N, Karampekos, G, Viazis, N, Lahat, A, Ungar, B, Eliakim, R, Kriger-Sharabi, O, Reiss-Mintz, H, Yanai, H, Dotan, I, Zittan, E, Maharshak, N, Hirsch, A, Weitman, M, Mantzaris, G J, Kopylov, U

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The histopathological approach to inflammatory bowel disease: a practice guide von Langner, Cord, Magro, Fernando, Driessen, Ann, Ensari, Arzu, Mantzaris, Gerassimos J., Villanacci, Vincenzo, Becheanu, Gabriel, Borralho Nunes, Paula, Cathomas, Gieri, Fries, Walter, Jouret-Mourin, Anne, Mescoli, Claudia, de Petris, Giovanni, Rubio, Carlos A., Shepherd, Neil A., Vieth, Michael, Eliakim, Rami, Geboes, Karel

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Azathioprine is superior to budesonide in achieving and maintaining mucosal healing and histologic remission in steroid‐dependent Crohn's disease von Mantzaris, Gerassimos J., Christidou, Angeliki, Sfakianakis, Michael, Roussos, Anastassios, Koilakou, Stavroula, Petraki, Kalliopi, Polyzou, Paraskevi

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P668 Real world use and adverse events of SARs-CoV-2 vaccination in Greek patients with Inflammatory Bowel Disease von Orfanoudaki, E, Zacharopoulou, E, Kitsou, V, Karmiris, K, Theodoropoulou, A, Mantzaris, G J, Tzouvala, M, Michopoulos, S, Zampeli, E, Michalopoulos, G, Karatzas, P, Viazis, N, Liatsos, C, Bamias, G, Koutroubakis, I E

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