Overview Comparison Azathioprine to Mesalazine for the Prevention of Postoperative Recurrence in the Crohn Disease Status: Completed Trial end date: 2010-12-01 Target enrollment: Participant gender: Summary To show the superiority of Azathioprine comparing Mesalazine in the prevention of postoperative recurrence in Crohn's Disease. Phase: Phase 3 Details Lead Sponsor: Groupe d'Etude Therapeutique des Affections Inflammatoires DigestivesTreatments: AzathioprineMesalamine