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Can a 6-Month therapy tame Self-Harm? study tests shorter treatment

NCT ID NCT02387736

Symptom relief Sponsor: Centre for Addiction and Mental Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 compares a 6-month version of dialectical behaviour therapy (DBT) to the standard 1-year program for people with borderline personality disorder who repeatedly self-harm. Researchers want to see if the shorter therapy is just as good at reducing self-harm and is more cost-effective. 240 participants will be randomly assigned to either 6 months or 1 year of DBT and followed for 2 years.

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

240 people

The number who actually took part.

Started

Feb 2015

Finished

Jul 2019

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

18 to 65 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: * Meets DSM-IV criteria for Borderline Personality Disorder. * Has had at least 2 self-harm episodes (either suicidal or non-suicidal) in the past 5 years, including at least 1 in the past 8 weeks. * Proficient in English * Provides informed consent to participate in the study. * Absence of 8 or more standard weeks of DBT in the past year (individual and group therapy components). * has had either Ontario Health Insurance Plan (OHIP) coverage or BC Medical Services Plan (MSP) health insurance for 1 year or more * Absence of a pending criminal court case or charges. * Has been a resident of Ontario or British Columbia for all of the past 12 months, at least. * Lives in the Greater Toronto Area/Greater Vancouver Area Exclusion Criteria: * Meets the DSM-IV criteria for bipolar disorder I, dementia, or a psychotic disorder other than psychotic disorder NOS * IQ less than 70 * Chronic or serious physical health problem requiring hospitalization within the next year (e.g., cancer) * Plans to move to a province other than Ontario or BC in the next 2 years.

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Conditions

The condition(s) this trial relates to.

borderline personality disorder Self-Injurious Behavior Suicide

As listed by the trial registrant

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

Borderline personality disorder

Contacts and locations

Locations

  • Center for Addiction and Mental Health

    Toronto, Ontario, M5S 2S1, Canada

  • Simon Fraser University

    Burnaby, British Columbia, V5A IS6, Canada

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