- Prior to the baseline, the following conditions must be met: a) If receiving 6-MP, AZA, or MTX must have been receiving it for at least 12 weeks, and the dose must be stable for at least 4 weeks; b) If 6-MP, AZA, or MTX have been recently discontinued, they must have been stopped for at least 4 weeks; c) If receiving oral 5-aminosalicylate (5-ASA) compounds or oral corticosteroids, the dose must have been stable for at least 2 weeks; d) If oral 5-ASA compounds or oral corticosteroids have been recently discontinued, they must have been stopped for at least 2 weeks; e) If receiving cyclosporine, the dose must have been stable for at least 6 weeks; f) If cyclosporine have been recently discontinued, they must have been stopped for at least 6 weeks