- 5-aminosalicylic acid release from a new controlled-release mesalazine formulation during gastrointestinal transit in healthy volunteers. Brunner, M., Lackner, E., Exler, P.S., Fluiter, H.C., Kletter, K., Tschurlovits, M., Dudczak, R., Eichler, H.G., Müller, M. Aliment. Pharmacol. Ther. (2006)