This multicenter, randomized, controlled trial was conducted by the Groupe d'Etude Thérapeutique des Affections Inflammatoires du tube Digestif (GETAID) to evaluate the efficacy and safety of the injection of fibrin glue in perianal fistulas tracts of patients with CD. The institutional Independent Ethics Committee of Marseille, France and of Liège, Belgium approved the protocol for each participating centers. Recruitment took place at 12 sites (11 in France and 1 in Belgium)