Understanding the Long-term Paths of People With Addictions

Trajectories of People With Substance or Behavioral Addictions in Contact With the Healthcare System: Medical, Neurobiological, Sociological, and Psychological Characteristics. Multicenter, Multidisciplinary Prospective Study.

The study is an open prospective cohort study. Participants are assessed at the start of their care in an addiction treatment unit using the Addiction Severity Index (ASI) and the Mini International Neuropsychiatric Interview (MINI), which are routinely conducted in these centers for individuals with substance use or behavioral disorders. After the study protocol is explained, the evaluator checks eligibility criteria, interested participants provide their written informed consent. The evaluator invites participants to complete self-administered questionnaires at home, which are returned during a session that also includes cognitive testing. Follow-up interviews are scheduled at 3 months, 6 months, and every 6 months thereafter.

Inclusion Criteria:

• Seeking treatment for substance or behavioral addiction at one of the inclusion centers, with more than one month to wait before treatment begins
• Presenting with at least one substance or behavioral addiction (according to DSM5 criteria)

Exclusion Criteria:

• Condition incompatible with understanding assessment tools
• Difficulties understanding and/or writing French
• Person unable to give personal consent