title: Drug approvals: '08 in review. Methylnaltrexone (Relistor).
authors.affiliation: Oregon Health and Science University, Portland, Ore., USA.
authors.forename: Gary
authors.initials: G
authors.lastname: Laustsen
authors.forename: Fernando
authors.initials: F
authors.lastname: Carrillo
authors.forename: Jessica
authors.initials: J
authors.lastname: Johnson
authors.forename: Cynthia
authors.initials: C
authors.lastname: Smith
mesh_terms: D000701:Analgesics, Opioid / Q000009:adverse effects; D003248:Constipation / Q000139:chemically induced / Q000188:drug therapy*; D006801:Humans; D009271:Naltrexone / Q000031:analogs & derivatives* / Q000494:pharmacology / Q000627:therapeutic use; D009292:Narcotic Antagonists / Q000494:pharmacology / Q000627:therapeutic use*; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology / Q000627:therapeutic use
chemical_list: D000701:Analgesics, Opioid; D009292:Narcotic Antagonists; D000644:Quaternary Ammonium Compounds; C032257:methylnaltrexone; D009271:Naltrexone