Bibliographic Details
| Title: |
Pretreatment cognitive performance is associated with differential self-harm outcomes in 6 v. 12-months of dialectical behavior therapy for borderline personality disorder. |
| Authors: |
Traynor, Jenna M.1,2,3,4, McMain, Shelley1, Chapman, Alexander L.5, Kuo, Janice6, Labrish, Cathy1, Ruocco, Anthony C.1,2 anthony.ruocco@utoronto.ca |
| Source: |
Psychological Medicine. May2024, Vol. 54 Issue 7, p1350-1360. 11p. |
| Subject Terms: |
*TREATMENT of borderline personality disorder, *COGNITIVE testing, *PREDICTION models, *ARM, *SECONDARY analysis, *MENTAL health, *RESEARCH funding, *UNIVERSITIES & colleges, *BEHAVIOR, *TREATMENT effectiveness, *DIALECTICAL behavior therapy, *SELF-mutilation, *ATTENTION, *RESEARCH methodology, *ELIGIBILITY (Social aspects), *ANALYSIS of variance, *PERIOPERATIVE care |
| Abstract: |
Background: Recent findings suggest that brief dialectical behavior therapy (DBT) for borderline personality disorder is effective for reducing self-harm, but it remains unknown which patients are likely to improve in brief v. 12 months of DBT. Research is needed to identify patient characteristics that moderate outcomes. Here, we characterized changes in cognition across brief DBT (DBT-6) v. a standard 12-month course (DBT-12) and examined whether cognition predicted self-harm outcomes in each arm. Methods: In this secondary analysis of 240 participants in the FASTER study (NCT02387736), cognitive measures were administered at pre-treatment, after 6 months, and at 12 months. Self-harm was assessed from pre-treatment to 2-year follow-up. Multilevel models characterized changes in cognition across treatment. Generalized estimating equations examined whether pre-treatment cognitive performance predicted self-harm outcomes in each arm. Results: Cognitive performance improved in both arms after 6 months of treatment, with no between-arm differences at 12-months. Pre-treatment inhibitory control was associated with different self-harm outcomes in DBT-6 v. DBT-12. For participants with average inhibitory control, self-harm outcomes were significantly better when assigned to DBT-12, relative to DBT-6, at 9–18 months after initiating treatment. In contrast, participants with poor inhibitory control showed better self-harm outcomes when assigned to brief DBT-6 v. DBT-12, at 12–24 months after initiating treatment. Conclusions: This work represents an initial step toward an improved understanding of patient profiles that are best suited to briefer v. standard 12 months of DBT, but observed effects should be replicated in a waitlist-controlled study to confirm that they were treatment-specific. [ABSTRACT FROM AUTHOR] |
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