Efficacy of Dialectical Behavior Therapy in Patients With Borderline Personality Disorder

Mackay Memorial Hospital

Status: Completed

Conditions: Borderline Personality Disorder

Treatments: Behavioral: Dialectical behavior therapy (DBT)

Study type: Interventional

Funder types: Other

Identifiers

NCT01952405

NSC102-2314-B-195-002-My3

Details and patient eligibility

About

The purpose of this study is to test the hypothesis:

Primary hypothesis: Participants in the dialectical behavior therapy group have greater reductions in the frequency and severity of suicidal and non-suicidal self-injurious behaviors compared to participants in the alternative treatment group.

Secondary Hypotheses: Participants in dialectical behavior therapy group have improved treatment outcomes compared to participants in alternative treatment, including mental health service utilization, symptoms of borderline personality and depression symptoms, suicidal thought and hopelessness, disability, and quality of life.

Full description

This study will be a 3-year randomized control trial. Patients will be referred from any mental health services in Taipei area who meet Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision criteria for Borderline Personality Disorder. Inclusion criteria include subjects who fulfill the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision criteria for Borderline Personality Disorder, 18-60 years of age, sign the informed consent, have had at least two episodes of suicidal or non-suicidal self-injurious episodes in the past 5 years, and at least one of which is in the 3 months preceding enrollment. The exclusion criteria include psychotic disorder, bipolar I disorder, severe physical illness, and mental retardation. Outcome measures will be obtained at pre-treatment, 4-month, 8-month and post-treatment (12-month) during 1-year protocol. Using semi-structured interview and a battery of self-report forms, a range of symptoms and behaviors associated with Borderline Personality Disorder will be assessed including suicidal thought, suicide attempt, depression, hopelessness, quality of life, disability, service utilization, and function. Measures are selected based on previous outcome studies of dialectical behavior therapy. Outcome variables will be evaluated by blinded assessors.

Enrollment: 60 patients

Sex: All

Ages: 18 to 60 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• meeting DSM-IV criteria for borderline personality disorder
• 18-60 years of age
• have had at least two episodes of suicidal or non-suicidal self-injurious episodes in the past 5 years,
• at least one episode of suicidal is in the 3 months preceding enrollment
• agreement to participate in evaluation of the program.

Exclusion criteria

• bipolar I disorder, delirium, dementia, mental retardation, or a diagnosis of substance dependence in the preceding 30 days
• living outside of Taipei area
• having any serious medical condition likely to require hospitalization within the next year (e.g. cancer)
• and having plans to leave the Taipei area in the next 1 year

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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60 participants in 2 patient groups, including a placebo group

Dialectical behavior therapy

Experimental group

Description:

Dialectical behavior therapy (DBT), developed by Marsha Linehan, has gained widespread popularity as a treatment for BPD, and its efficacy has been demonstrated in several trials.

Treatment:

Behavioral: Dialectical behavior therapy (DBT)

alternative psychotherapy

Placebo Comparator group

Description:

The therapists of the alternative psychotherapy in the comparison group are asked to provide the type and dose of therapy that they believed is most suited to the patient, with a minimum of 1 scheduled individual session per week. Ancillary treatment could be prescribed as needed. Case management strategies are also available in the comparison group (alternative psychotherapy group). No restrictions are placed on ancillary pharmacotherapy in either condition.

Treatment:

Behavioral: Dialectical behavior therapy (DBT)