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