Patents Assigned to U.R. Labs
  • Patent number: 6608075
    Abstract: A method for preventing or treating opioid induced changes in gastrointestinal motility. The method comprises administering methylnaltrexone or another quaternary derivative of noroxymorphone to a patient prior to the administration of an opioid or after the onset of side effects induced by the administration of an opioid, wherein the methylnaltrexone or quaternary derivative is administered orally in an enterically coated form.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: August 19, 2003
    Assignees: The University of Chicago, U.R. Labs
    Inventors: Joseph F. Foss, Michael F. Roizen, Jonathan Moss, Chun-Su Yuan, William Drell