. . . . . . . . "Naltrexone depot produced statistically significant blockade of opiate effects for six weeks as measured by subjective rating scales and measurement of pupil size."@en . . . . . . "investigational"@en . . . . . . . . . "# Modesto-Lowe V: Naltrexone depot (DrugAbuse Sciences). IDrugs. 2002 Aug;5(8):835-8. \"Pubmed\":http://www.ncbi.nlm.nih.gov/pubmed/12802700"@en . . . " Naltrexone depot blocks the effects of hydromorphone, an opiate similar in effects to heroin."@en . . "naltrexone depot"@en . . . . "Investigated for use/treatment in alcohol dependence."@en . .