Multisystemic Therapy (MST)
Multisystemic Therapy (MST) is a family systems psychotherapy developed by Scott Henggeler in 1998. Its core mechanism: intensive home-based intervention targets multiple ecological systems (family, peer, school) maintaining antisocial behavior. This catalogue links it to child and adolescent behavioral problems and substance use, typically in family or community format, short (3-5 months).
Related condition topics
These links support exploration. They do not establish that MST is effective or recommended for each condition.
How Multisystemic Therapy works
Intensive home-based intervention targets multiple ecological systems (family, peer, school) maintaining antisocial behavior
Ontology
Antisocial behavior maintained by factors across ecological systems, not just the individual youth
Therapeutic Voice
"Who is actually around at three o'clock when he gets out of school? We build the plan around people who are really there. If it doesn't hold this week, that's mine to fix, not yours."
View of the Person
A youth embedded in multiple systems (family, peer, school, community) that jointly maintain or restrain behavior
Epistemology
Evidence
1 condition assessment available
An overall effectiveness assessment has not been completed. Completed assessments for specific populations appear below.
Condition-specific assessments
Each conclusion applies to the population and use described. These source-based assessments do not certify the full entry or replace expert clinical review.
Child & Adolescent Behavioral Problems
Population and scope: Children and young people aged 11–17 with conduct disorder, receiving a manualized multimodal programme involving parents or carers and the young person’s wider systems.
Guideline recommendation
NICE CG158 1.5.13 offers multimodal interventions and explicitly names multisystemic therapy as an example. Recommendation 1.5.14 specifies a social-learning approach across individual, family, school, justice and community settings, delivered by specially trained case managers using an evaluated manual. This is a recommendation for conduct disorder in the stated age group, not for every childhood behavioral problem, ADHD alone, generic family therapy or all MST adaptations.
Source assessment dated
Guidelines and official sources (2)
1 clinical guideline check · 1 professional reference check
Read the recommendation and its scope. A source may discuss an approach without recommending it.
- Antisocial behaviour and conduct disorders in children and young people (CG158)
Recommendation for the stated population
NICE explicitly names MST as an example of multimodal intervention to offer.
Scope: Ages 11–17 with conduct disorder
- Screening and treatment of substance use disorders among adolescents
Discussed in the source
SAMHSA describes MST in a treatment advisory; this is not a generic all-childhood-disorders CPG grade.
Scope: Adolescents with severe SUD and delinquent or violent behaviour
Recorded material under review
The existing notes below are retained separately from assessment records. These recorded claims await source checking, including study design, recommendations and numerical estimates.
25+ RCTs across countries
Van der Stouwe et al. (2014)
Modest evidence for juvenile antisocial behavior: Van der Stouwe et al.'s (2014) meta-analysis found d = 0.20 overall, with the violent-offending subgroup not statistically significant (d = 0.12).
Training and certification
Organizational licensure required. 5-day training + ongoing weekly consultation + fidelity monitoring
MST Services (MUSC): organizational model only
5-day initial + weekly consultation ongoing
Organizational licensing
Equity & Cultural Adaptations
Clinical cautions and blind spots
Assessment and precautions
Families unwilling to participate, youth not living with any identifiable family or caregiver system, active psychosis in the youth, cases where the primary issue is the caregiver's own severe mental illness
Blind spots
Extremely resource-intensive; requires 24/7 therapist availability; limited outside juvenile justice populations
Philosophical roots
Bronfenbrenner (ecological systems theory); Haley (strategic family therapy); Minuchin (structural family therapy); pragmatism (what works in context)
Compared with other approaches
Test Yourself
What makes MST unique?
Show answer
Home-based, small caseloads, 24/7 availability, targeting all systems.