Group interpersonal psychotherapy (IPT-G) for borderline personality disorder: A randomized controlled study
Abstract
Recent evidence supported the notion that add-on group therapy should be provided to individuals with borderline personality disorder (BPD) who already undergo individual psychotherapy. The present 20 week-study was aimed to evaluate the efficacy of the adjunction of group interpersonal psychotherapy (IPT-G) to individual interpersonal psychotherapy adapted for BPD - revised (IPT-BPD-R) in comparison with individual IPT-BPD-R alone in a group of BPD patients. In addition, demographical and clinical characteristics that can be considered predictors of response to add-on group therapy were investigated. Forty-six patients were randomly assigned to 1) IPT-BPD-R plus IPT-G or to 2) IPT-BPD-R in the waiting list for IPT-G. Patients were assessed at baseline and after 20 weeks with: the Clinical Global Impression Scale, Severity item (CGI-S); the Social Occupational Functioning Assessment Scale (SOFAS); the Satisfaction Profile (SAT-P); the Borderline Personality Disorder Severity Index (BPDSI); the Modified Overt Aggression Scale (MOAS); the Childhood Trauma Questionnaire - Short Form (CTQ-SF); the Inventory of Interpersonal Problems (IIP-32); and the Reading the Mind in the Eyes Test (RMET). Statistical analyses included: ANOVA for repeated measures to compare score changes of the rating scales within groups (trial duration) and between groups (treatment modalities), and multiple regression analysis to identify which clinical factors are significantly and independently related…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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