Extended-release but not immediate-release and subcutaneous methylnaltrexone antagonizes the loperamide-induced delay of whole-gut transit time in healthy subjects

• Julia Kolbow, Christiane Modess, Danilo Wegner, Stefan Oswald, Martina Alice Maritz, Hélène Rey, Werner Weitschies, Werner Siegmund

• The Journal of Clinical Pharmacology, October 2015, Wiley
• DOI: 10.1002/jcph.624