Does assertive community treatment increase medication adherence for people with co-occurring psychotic and substance use disorders?

Jennifer I. Manuel, Nancy H. Covell, Carlos T. Jackson, Susan M. Essock

Research output: Contribution to journalArticle

Abstract

OBJECTIVE: This study analyzed data from a randomized trial to examine the impact on medication adherence of integrated treatment delivered via assertive community treatment (ACT) versus standard clinical case management (SCCM). METHOD: Data from the original study included 198 study participants with co-occurring psychotic and substance use disorders who were randomly assigned to receive integrated treatment via ACT or SCCM and were followed for 3 years. We applied mixed-effects logistic regression to estimate group (ACT vs. SCCM) by time effects on a self-report measure of medication adherence. Adherence was dichotomized as 20% or more missed medication days ("poor adherence") versus less than 20% missed medication days ("adequate adherence"). RESULTS: Participants who were assigned to ACT reported significant improvement in medication adherence compared with those assigned to SCCM. CONCLUSIONS: Integrated treatment delivered via ACT may benefit persons with co-occurring psychotic and substance use disorders who are poorly adherent to medications.

Original languageEnglish (US)
Pages (from-to)51-56
Number of pages6
JournalJournal of the American Psychiatric Nurses Association
Volume17
Issue number1
DOIs
StatePublished - Jan 1 2011

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Keywords

  • assertive community treatment (ACT)
  • chronic mental illness
  • dual disorders
  • medication adherence

ASJC Scopus subject areas

  • Phychiatric Mental Health

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