Dialectical Behavior Therapy in the Treatment of Comorbid Borderline Personality Disorder and Eating Disorder in a Natur
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ORIGINAL ARTICLE
Dialectical Behavior Therapy in the Treatment of Comorbid Borderline Personality Disorder and Eating Disorder in a Naturalistic Setting: A Six‑Year Follow‑up Study María V. Navarro‑Haro1,2 · Verónica Guillén Botella3 · Laura Badenes‑Ribera4 · Luis Borao1 · Azucena García‑Palacios5,6 Accepted: 16 October 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background Dialectical Behavior Therapy (DBT) has shown evidence of its effectiveness in the treatment of borderline personality disorder (BPD) and eating disorders (EDs) separately, and there is preliminary evidence for co-occurrent BPD and EDs. However, the long-term effectiveness of DBT for this specific population is still unknown. The main goal of this study was to assess long-term treatment effectiveness in people diagnosed with BPD and ED. Methods Participants (N = 109) had previously received a 6-month treatment during a clinical trial (DBT = 64 vs. Treatment as Usual, Cognitive Behavior Therapy; TAU CBT = 45). Outcome measures (emotional eating, depressive symptoms, anger, emotion regulation, impulsiveness, and resilience) were evaluated prospectively at 4- and 6-year follow-ups. Results There was a statistically significant improvement in most study outcomes from pre-treatment to the follow-ups in the DBT condition, and in depression, resilience and trait anger in the TAU CBT. No statistically significant between-group differences were found. Nonetheless, a high percentage of participants showed a clinically significant improvement over time in the DBT condition. Conclusions Findings of this study contribute to determinate the long-term treatment effectiveness of DBT for people with BPD and ED in routine psychotherapeutic practice. Longitudinal studies with larger sample sizes are needed to confirm these results. Keywords Personality disorders · Borderline personality disorder · Eating disorders · Dialectical behavior therapy · Cognitive-behavior therapy · Naturalistic setting
* María V. Navarro‑Haro [email protected]
2
Instituto de Investigación Sanitaria de Aragón, Zaragoza, Spain
Verónica Guillén Botella [email protected]
3
Laura Badenes‑Ribera [email protected]
Dept. Personalidad, Evaluación Y Tratamientos Psicológicos, Universidad de Valencia, Av. Blasco Ibañez 21, 46010 Valencia, Spain
4
Luis Borao [email protected]
Dept. Metodología de Las Ciencias del Comportamiento, Universidad de Valencia, Valencia, Spain
5
Azucena García‑Palacios [email protected]
Dpt. Psicología Básica, Clínica y Psicobiología, Universitat Jaume I, Avda Vicent Sos Baynat s/n, 12071 Castellon, Spain
6
Ciber Fisiopatología Obesidad Y Nutrición (CB06/03 Instituto Salud Carlos III, Spain), Madrid, Spain
1
Dept. Psicología Y Sociología, Universidad de Zaragoza, Calle Cdad. Escolar, S/N, 44003 Teruel, Spain
13
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Introduction Borderline Personality Disorder (BPD) and Eating Disorders (EDs) comorbidity in adulthood has been associated with more severe distortions
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