Auteur(s) :
Barnhoorn M.1, Molendijk I.1, Bonsing B.A.2, Roelofs H.3, Maljaars J.P.W.1, Peeters K.2, Wasser M.N.J.M.4, Oosten L.E.M.3, Dijkstra G.5, van der Woude C.J.6, Duijvestein M.7, Veenendaal R.A.1, Zwaginga J.3, Verspaget H.W.1, Fibbe W.E.3, Hommes D.W.1,8, Van der Meulen – De Jong A.1 1Leiden University Medical Center, Gastroenterology and Hepatology, Leiden, Netherlands, 2Leiden University Medical Center, Surgery, Leiden, Netherlands, 3Leiden University Medical Center, Immunohematology and Blood Transfusion, Leiden, Netherlands, 4Leiden University Medical Center, Radiology, Leiden, Netherlands, 5UMC Groningen, Gastroenterology and Hepatology, Groningen, Netherlands, 6Erasmus Medical Center, Gastroenterology, Rotterdam, Netherlands, 7AMC, Gastroenterology and Hepatology, Amsterdam, Netherlands, 8University of California Los Angeles, Digestive Diseases, Los Angeles, United States, OP060 – LONG-TERM EFFICACY AND SAFETY OF ALLOGENEIC BONE MARROW-DERIVED MESENCHYMAL STROMAL CELLS FOR PERIANAL FISTULAS IN PATIENTS WITH CROHN’S DISEASE: A 4-YEAR FOLLOW-UP STUDY