Several evidence-based treatment interventions for mental health and substance use conditions are available in Massachusetts. Here we highlight three: Integrated Dual Disorder Treatment (IDDT), Coordinated Specialty Care (CSC), and Medication-Assisted Treatment (MAT).

Evidence Based Practices

Evidence Based Practice Description More Information

Integrated Dual Disorder Treatment (IDDT)

IDDT combines substance use and mental health services to help people address both conditions at the same time, in the same service organization, with the same team of treatment providers. IDDT uses a stages-of-change approach to treatment, which is individualized to address the unique circumstances of each person’s life. IDDT promotes client and family involvement in service delivery, stable housing as a necessary condition for recovery, and employment as an expectation for many.

Co-occurring Disorders Care in Massachusetts


Coordinated Specialty Care (CSC)

CSC is a recovery-oriented treatment program for people experiencing early psychosis that aims to help the person achieve and maintain stability while living and participating in community life. CSC is offered by a team of specialists who work with the client to create a personal treatment plan that may include psychotherapy, medication management designed for individuals with early psychosis, family education and support, case management, and work or education support, depending on the individual’s needs and preferences. CSC promotes shared decision making, with the person and team collaborating on treatment decisions, involving family members as much as possible.

Massachusetts First Episode Psychosis Programs

Results of a Coordinated Specialty Care Program for Early Psychosis and Predictors of Outcomes

Medication-Assisted Treatment (MAT)

MAT is the use of specific medications, together with counseling and behavioral therapies, which is effective in the treatment of opioid use conditions and can help some people sustain recovery. The prescribed medication is designed to normalize brain chemistry, blocks the euphoric effects of substances, relieves physiological cravings, and normalizes body functions without the negative effects of the substance.

Massachusetts MAT Commission

Systematic Review and Meta-Analysis of Cohort Studies