RT Journal Article SR Electronic A1 Hoyle, Brian T1 Naldemedine Effective at Relieving Opioid-Induced Constipation JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 14 SP 11 OP 11 DO 10.1177/1559897715593921 UL http://mdc.sagepub.com/content/15/14/11.abstract AB A phase 2b randomized, double-blind, placebo-controlled study shows that naldemedine, a peripherally acting ยต-opioid receptor antagonist, is effective in easing opioid-induced constipation compared to placebo. Phase 3 development is expected for the 0.2 mg/day naldemedine dose.