IRCT20181018041375N1 IRCT 2018-12-17 Shahed University Effect of Plantago major on Ulcerative colitis Investigating the effect of Plantago major on clinical symptoms of Ulcerative colitis 2018-12-10 anticipated 50 Complete https://irct.ir/trial/34632 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: The expert of center,accomplish the permuted block randomization(quadruple blocks) and codification of boxes(1 to 50), and the research fellow hands over the boxes to patients sequentially, while she is unaware of their content.Due to blinding, the last allocation in each block stays confidential, Blinding description: The research fellow and participant are blinded to boxes contents(drug or placebo),and the boxes are handed over sequentially due to their codes(double blind trial). 3 Ulcerative colitis. Intervention 1: Intervention group: Prescribed chemical drugs with capsule 600mg of Plantago major roasted seed, 2 cap. 30 minuts before meals(totally 6 cap. in day), up to 8 weeks. Intervention 2: Control group: Prescribed chemical drugs with capsule 600mg of roasted Wheat flour, 2 cap. 30 minuts before meals(totally 6 cap. in day), up to 8 weeks. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is Becuase of insufficient data, i need to consult with professors.