Factors Influencing Success of Dialectical Behavior Therapy in Adults with Borderline Personality Disorder and Recent Self-Harm

What this Trial Is About

Researchers are investigating factors that influence how well Dialectical Behaviour Therapy DBT works for people with Borderline Personality Disorder BPD who have a history of self-harm. The study aims to understand how personality traits, identity issues, and emotion regulation affect treatment outcomes. It also looks at when treatment effects happen and whether they last for up to 12 months after therapy ends. Participants will receive standard DBT for up to 12 months as provided by the Adult psychiatric clinic in Lund. The therapy follows the established model described by Professor Linehan. All individuals referred for DBT at the clinic are invited to join the study and receive the same treatment whether they participate or not. During the study, participants complete self-report questionnaires every three months, at the end of treatment, and again 12 months later. Researchers also collect data from medical records and registries at the start and follow-up. The main outcome measured is self-harm behavior, tracked at multiple points including up to 24 months. Secondary measures assess disability, BPD symptoms, personality functioning, and hospitalizations.

Which Factors Are Relevant for Treatment Outcome in Dialectical Behaviour Therapy for Borderline Personality Disorder?