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Can 'Mentalization' curb teen violence? major UK trial launches

NCT ID NCT07091721

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests a new type of talking therapy called mentalization-based therapy (MBT) for young people aged 10-17 who struggle with aggressive or violent behavior. The therapy aims to help them understand their own feelings and those of others. Half of the 632 participants will receive MBT plus their usual care, while the other half will receive only usual care. The study will compare the two groups after six months to see if MBT helps reduce aggression.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
mentalization based therapy
What this could lead to
If it works, this could provide a new, effective therapy to help young people control aggressive and violent behavior.
What could go wrong
This is a relatively early-stage trial, and the therapy may not prove more effective than usual support. Results depend on self-reported questionnaires, which can be unreliable.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 632 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2025

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

10 to 17 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age 10-17 years at the time of referral; * Aggression and/or violence are indicated at referral or assessment; * Participation in the evaluation would not interfere with statutory orders; * Child and parent/carer (for children 10-15 years) are able to consent and engage with the study materials; * Living in the community at time of referral and no imminent plans to move to hospital, residential, or secure settings. Additional inclusion criteria for participants recruited from a clinician's existing caseload: * There has been no direct contact between child and FCAMHS clinicians, including assessments. * There has been no indirect therapeutic support provided by FCAMHS e.g. advising non-FCAMHS professionals on therapeutic support. * It is permissible for the clinician to have previously engaged in consultation activities where these did not involve contact with the child. Exclusion Criteria: * Age under 10 or age 18 or older at the time of referral; * No evidence of aggression and/or violence indicated at referral or assessment; * FCAMHS are only offering a one-off consultation or assessment (e.g., the network around the child requires support to manage risk but additional input is not required); * Child's level of English is not sufficient to engage in the intervention; * Child and/or parents/carers refuse to engage with FCAMHS; * No statutory service is involved in supporting the child; * No statutory service will agree to hold the child's case open for a minimum of six months. * Currently involved in another psychological intervention research study.

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Conditions

The condition(s) this trial relates to.

Adolescent Behavior Aggression conduct disorder Psychological Well-Being

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    8 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • East of England Community FCAMHS Team, Cambridgeshire and Peterborough NHS Foundation Trust

    NOT_YET_RECRUITING

    Cambridge, CB21 5EF, United Kingdom

  • Hampshire and Isle of Wight Healthcare NHS Foundation Trust

    NOT_YET_RECRUITING

    Southampton, Calmore, SO40 2RZ, United Kingdom

  • North London Forensic CAMHS, North London NHS Foundation Trust

    NOT_YET_RECRUITING

    London, NW3 5BA, United Kingdom

  • South Central Community Forensic CAMHS Team, Oxford Health NHS Foundation Trust

    RECRUITING

    Headington, Oxford, OX3 7JX, United Kingdom

  • South West (North) Community Forensic CAMHS Team, Oxford Health NHS Foundation Trust

    RECRUITING

    Headington, Oxford, OX3 7JX, United Kingdom

  • South West FCAMHS, Somerset NHS Foundation Trust

    RECRUITING

    Taunton, TA1 5DA, United Kingdom

  • The North East and North Cumbria Community Forensic Child & Adolescent Mental Health Service, Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust

    RECRUITING

    Newcastle upon Tyne, Upon Tyne and Wear, NE3 3XT, United Kingdom

  • Yorkshire and Humber FCAMHS, South West Yorkshire Partnership NHS Foundation Trust

    RECRUITING

    Wakefield, Ouchthorpe Lane, WF1 3SP, United Kingdom

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