Effectiveness of a Combined Group-individual Schema Therapy for Borderline Personality Disorder

Consorci Sanitari del Maresme80 enrolled

Overview

Background and Objectives: Schema therapy has been shown to be of benefit in treating borderline personality disorder. However, it is still unclear what the most suitable treatment implementation format is and to what extent therapeutic gains may be generalizable to regular healthcare settings with limited resources. Methods: A pragmatic randomized controlled trial was conducted ona representative Spanish sample of outpatients with a DSM-5 main diagnosis of borderline personality disorder. Patients were allocated either to a combined (group plus individual) schema therapy format (n=40) or to a group-only schema therapy format (n=40). Borderline personality disorder severity was the primary outcome, with other clinical variables considered as secondary outcomes (e.g., early maladaptive schemas, functioning). The assessment protocol included baseline, post-treatment (after 12months of treatment), and six-month follow-up evaluations. Data was analyzed through a two-way repeated measures ANOVA. Limitations were a limited follow-up assessment and the absence of multi-center data that detracted from the long-term stability and generalizability of the findings.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

Borderline Personality Disorder Randomized Controlled Trial

Interventions

Group Schema therapyBEHAVIORAL

Bimonthly outpatient psychotherapy delivered in individual setting

Individual Schema therapyBEHAVIORAL

weekly outpatient psychotherapy delivered in group setting

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 Years

Medical Language ↔ Plain English

Inclusion Criteria: * DSM-5 criteria for borderline personality disorder * Aged 18 to 65 years Exclusion Criteria: * Psychotic disorders (except short, reactive psychotic episodes) * Bipolar disorder (current hypo-manic or mixed episode) * Antisocial personality disorder * Substance intoxication * Mental retardation

Outcomes

Primary Outcomes

BPD (borderline personality disorder) symptomatology

Severity of borderline symptomatology as measured by a single score from the BSL-23 scale (range: 0-92; the higher the score, the more severe the BPD severity).

Time frame: 18 months

Secondary Outcomes

global functioning

Severity of dysfunction as measured by a single score from the WHOQoL scale (range: 0-100; the higher the score, the more severe the global dysfunction).

Time frame: 18 months

early maladaptive schemas

Severity of maladaptive schemas as measured by a single score from the YSQ scale (range: 0-450; the higher the score, the more severe the EMS severity).

Time frame: 18 months

Data from ClinicalTrials.gov

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