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The Pain and Opioids IN Treatment study: characteristics of a cohort using opioids to manage chronic non-cancer pain

Campbell, Gabriellea,*; Nielsen, Suzannea,b; Bruno, Raimondoa,c; Lintzeris, Nicholasb,d; Cohen, Miltone; Hall, Waynef; Larance, Brionya; Mattick, Richard P.a; Degenhardt, Louisaa,g,h,i

doi: 10.1097/01.j.pain.0000460303.63948.8e
Research Paper
Editor's Choice

There has been a recent increase in public and professional concern about the prescription of strong prescription opioids for pain. Despite this concern, research to date has been limited because of a number of factors such as small sample sizes, exclusion of people with complex comorbidities, and studies of short duration. The Pain and Opioids IN Treatment is a 2-year prospective cohort study of 1500 people prescribed with pharmaceutical opioids for their chronic pain. This article provides an overview of the demographic and clinical characteristics of the cohort using the baseline data of 1514 community-based people across Australia. Participants had been in pain for a period of 10 years and had been on prescription opioids for approximately 4 years. One in 10 was on a daily morphine equivalent dose of ≥200 mg. Employment and income levels were low, and two-thirds of the sample reported that their pain had impacted on their employment status. Approximately 50% screened positive for current moderate-to-severe depression, and 1 in 5 had made a lifetime suicide attempt. There were a number of age-related differences. The younger groups experienced higher levels of pain and pain interference, more mental health and substance use issues, and barriers to treatment, compared with the older group. This study found that the people who have been prescribed strong opioids for chronic pain have very complex demographic and clinical profiles. Major age-related differences in the experiences of pain, coping, mental health, and substance use suggest the necessity of differential approaches to treatment.

Patients prescribed with strong opioids for chronic pain have very complex demographic and clinical profiles, which need to be considered for successful treatment.

aNational Drug and Alcohol Research Centre, School of Medicine, University of New South Wales, Sydney, Australia

bThe Langton Centre, South East Sydney Local Health District (SESLHD) Drug and Alcohol Services, Surry Hills, Australia

cSchool of Medicine, University of Tasmania, Sandy Bay Campus, Hobart, Australia

dUniversity of Sydney, Addiction Medicine, Central Clinical School, Camperdown, Australia

eSt Vincent's Clinical School, University of New South Wales, Darlinghurst, Australia

fCentre for Youth Substance Abuse Research, Royal Brisbane and Women's Hospital, University of Queensland, Herston, Australia

gSchool of Population and Global Health, The University of Melbourne, Melbourne, Australia

hMurdoch Childrens Research Institute, The Royal Children's Hospital, Parkville, Australia

iDepartment of Global Health, School of Public Health, University of Washington, Seattle, WA, USA

Corresponding author. Address: National Drug and Alcohol Research Centre, University of New South Wales, 22-32 King St, Randwick, NSW 2031, Australia. Tel.: + 61 2 9385 0286; fax: + 61 2 9385 0222. E-mail address: (G. Campbell).

Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article.

Received August 04, 2014

Received in revised form October 08, 2014

Accepted November 05, 2014

© 2015 International Association for the Study of Pain
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