Mental health outcomes following naltrexone implant treatment for heroin-dependence

Hanh Ngo, Robert Tait, Diane Arnold-Reed, Gary Hulse

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Background: Oral naltrexone is an approved treatment for opioid dependence. However, the impact of sustained release naltrexone on the mental health of treated opioid users has not been studied.Aims: To assess if naltrexone via implant treatment was associated with any change in (i) risk, (ii) rate, and (iii) duration for hospital morbidity related to several categories of mental disorders among treated heroin users.Method: A cohort of 359 heroin users treated with sustained release naltrexone via implants in Western Australia was retrospectively followed up for mental health related outcomes via a health record linkage system over an average period of 1.78 years post-treatment.Results: Individual patient's risk for hospital mental diagnoses was not altered after naltrexone implant. On a population cohort level, hospital admission rates related to all mental health problems, except mood disorders, declined significantly post-treatment; however, length of hospital stay did not improve. Overall, young, female patients or those with pre-existing mental illness were more likely than other patients to require hospital care for mental health issues following treatment. Longer period of heroin use was associated with poorer mood outcomes.Conclusions: Naltrexone implants were not associated with an increased risk for hospitalisation due to mental illness, and in most cases, were associated with a decrease in mental related hospital admission rate. (c) 2006 Elsevier Inc. All rights reserved.
Original languageEnglish
Pages (from-to)605-612
JournalProgress in Neuro-Psychopharmacology & Biological Psychiatry
Volume31
Issue number3
DOIs
Publication statusPublished - 2007

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