Methylnaltrexone Bromide is a mu-opioid receptor antagonist, prescribed for constipation caused by opioid medicines. The serum concentration of the active metabolites of Fesoterodine can be ...

A literature search identified more than a dozen published reports on the use of pure opioid antagonists (naloxone, naltrexone, methylnaltrexone) for the management of OIP in pediatric and adult ...