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Both Dialectical Behavior Therapy (DBT) and Dynamic Deconstructive Psychotherapy (DDP) are listed in the National Registry of Evidence-Based Programs and Practices based on independent reviews of their
performance in randomized controlled trials for borderline personality disorder. However, little is known about their effectiveness in real-world settings.
DDP is a newer treatment, with demonstrated efficacy, but has been less extensively applied than DBT. In a twelve-month controlled trial, thirty subjects with Borderline Personality Disorder (BPD) and co-occurring active alcohol use disorders were randomized to either DDP or optimized community care. Almost half the subjects also met criteria for antisocial personality disorder (Gregory et al. 2008). Following twelve months of active treatment with DDP, they were then evaluated after an additional eighteen months of naturalistic care in the community. As applied in treating this low-functioning and highly comorbid BPD population, DDP demonstrated relatively good retention rates and large between-group treatment effects for core symptoms of BPD, depression, parasuicide behavior, alcohol misuse, recreational drug use, inpatient care, and perceived social support (Gregory, Delucia-Deranja, and Mogle 2010).
Subsequent research on the process mechanisms of this study indicated that adherence to DDP technique strongly correlated with positive outcome and that specific outcomes were associated with the application of specific techniques. These findings from psychotherapy process research strongly support the effectiveness of DDP techniques. After an independent review by the Substance Abuse and Mental Health Services Administration, DDP was included on its National Registry of Evidence-Based Programs and Practices ().
DDP combines elements of translational neuroscience, object relations theory, and deconstructionist philosophy in a twelve-month treatment. Therapists provide weekly one-hour individual se