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Neuropsychiatric Mechanisms of Change in Mentalization Based Treatment of Borderline Personality Disorder (MENTAB) — MENTAB  

Borderline Personality Disorder Clinical Trial

Official title:
Neuropsychiatric Mechanisms of Change in Mentalization Based Treatment of Borderline Personality Disorder (MENTAB)

Clinical Trial Summary

Purpose:

Borderline personality disorder (BPD) is a complex psychiatric disease of uncertain aetiology and pathogenesis. A key mechanism of disease susceptibility and treatment response could be epigenetic changes in DNA methylation patterns. However, no study has yet demonstrated that psychotherapy can exert its therapeutic effect through epigenetic mechanisms. The main aim of this study is to analyze the promoter methylation pattern of genes considered to be related to the development and psychopathology of BPD, in particular the brain-derived neurotrophic factor (BDNF) and glucocorticoid receptor genes, and the effects of mentalization based treatment (MBT) on changes. Associations to changes in BDNF serum levels and salivary cortisol levels, as well as key components of BPD aetiology and core treatment targets in MBT, will also be investigated. Should epigenetic mechanisms have importance for BPD pathology and effects of treatment, there is potential use of DNA methylation patterns as valid biomarker measures of diagnosis, prognosis, and treatment response.

Hypothesis:

The formation and maintenance of symptoms in BPD is mediated through neuropsychiatric mechanisms that can be affected through psychological treatment. Specifically, aberrant epigenetic regulation of neuropsychiatric genes related to behavioural control and affect regulation, as well as BDNF and cortisol levels, is ameliorated by therapeutic processes.

Method:

Fifty female patients diagnosed with BPD will undergo a year of intensive MBT that is designed to target domains of BPD pathology. The patients will be assessed at baseline and every 6 months over the treatment period. Matched healthy control subjects will be assessed at 6 month intervals to compare changes in DNA methylation, BDNF serum levels, salivary cortisol levels, and neuropsychological test performance. To link components of the neuropsychiatric mechanisms underlying the onset of illness, course, and response to treatment, patients will undergo assessment of clinical symptoms, comorbidity patterns and psychosocial impairment. Patients and control subjects will at baseline undergo assessment for childhood trauma, self-harm, suicidal behavior, early maladaptive schemas, and personality traits, and within the 1-year study period also undergo continuous assessment for changes in symptoms of dissociation, depression, and personality dysfunction.

Clinical Trial Description

n/a

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01720953
Study type Observational
Source Region Sjælland
Contact
Status Terminated
Phase N/A
Start date October 2012
Completion date December 2016
View Details
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