Background Alcohol use disorder (AUD) confers a prodigious burden of disease, disability,
premature mortality, and high economic costs from lost productivity, accidents, violence …

Background: People with severe substance use disorders require long-term rehabilitative
care after the initial treatment. There is, however, a deficit in the availability of such care. This …

Background 12 step mutual help groups are widely accessed by people with drug use
disorder but infrequently subjected to rigorous evaluation. Pooling randomized trials …

Background Mutual aid organizations, such as Narcotics Anonymous (NA), can provide
support in substance use disorder (SUD) recovery processes. However, research on NA and …

Background The “therapeutic alliance” between clinicians and patients has been associated
with treatment response and outcomes in professionally-delivered psychotherapies …

This paper offers a systematic review of quantitative and qualitative studies on the main
twelve-step mutual-help (TSMH) groups (excluding Alcoholics Anonymous) and four meta …

Objective: The natural course of prescription opioid use disorder has not been examined in
longitudinal studies. The current study examined correlates of opioid abstinence over time …

Objectives: Research has enhanced our understanding of opioid misuse prevalence and
consequences, but few studies have examined recovery from opioid problems. Estimating …

Objective: Narcotics Anonymous (NA), a nonprofessional 12-step fellowship for people
seeking recovery from addiction, reports 27,677 meetings in the USA, where it was founded …

Aims To investigate whether inclusion of self-help groups into the hospital treatment
programme improves the prognosis of alcohol dependence through the treatment period; …