“There is accumulating evidence that cannabidiol (CBD) has anti-inflammatory properties that could be exploited for the symptomatic relief of IBD.

This proof-of-concept double blind, randomised, placebo controlled trial assessed the efficacy, safety and tolerability of CBD botanical drug substance (BDS) in patients with mild to moderate UC…

…several signals suggest that GWP42003 may be beneficial for the symptomatic treatment of UC…”

https://www.ecco-ibd.eu/index.php/publications/congress-abstract-s/abstracts-2015/item/p414-cannabidiol-for-symptomatic-treatment-of-ulcerative-colitis-results-from-a-randomised-double-blind-placebo-controlled-parallel-group-multi-centred-pilot-study.html

http://www.thctotalhealthcare.com/category/colitis/