Long-Term Treatment of Collagenous Colitis With Budesonide May 27, 2020checkorphan Learn more about: Collagenous colitis Related Clinical Trial Budesonide Capsules vs. Mesalazine Granules vs. Placebo in Collagenous Colitis Long-Term Treatment of Collagenous Colitis With Budesonide Rifaximin-treatment of Collagenous Colitis Budesonide for Maintenance Treatment of Collagenous Colitis Recruitment InformationAdministrative Informations