Vaccines and Dietary Oats in the Treatment of Ulcerative Colitis

Inclusion Criteria: * ulcerative colitis of at least 4 months duration * disease activity index score (Walmsley) \>5 and \</=13 * patients taking no ulcerative colitis relevant medicine, or stable doses of aminosalicylates or maximum 10mg prednisolon daily the last 2 weeks before study entry. They must remain on the same dose throughout the study (6 months). * stool examination negative for enteric pathogens, clostridium difficile toxin and parasites Exclusion Criteria: * ulcerative colitis disease activity index \>13 * symptoms of bowel obstruction * other serious medical condition * use of any of the study vaccines during the last two years * use of any investigational or non-registered product (drug or vaccine) other than the study vaccines within 30 days preceding the first vaccine dose, or planned use during study period * pregnant or planning to become pregnant * breastfeeding * chronic administration of prednisolone more than 10mg per day or steroids of equivalent dose the last 2 weeks before the first vaccine dose * treatment with anti-tumor necrosis factor within 3 months prior to the first vaccine dose * use of other immunosuppressants or immune modifying drugs within 30 days prior to the first vaccine dose