Non-invasive brain stimulation for borderline personality disorder: a systematic review and network meta-analysis
Abstract
Borderline Personality Disorder (BPD) is a complex neuropsychiatric condition characterized by four main symptom domains: emotion dysregulation, behavioral dysregulation, self-image disturbances, and interpersonal instability. While psychotherapy remains the primary treatment, there is a need for additional effective interventions. Given the neuromodulatory effects of non-invasive brain stimulation (NIBS) techniques, such as transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS), these methods may hold potential for addressing BPD symptoms. A systematic review and network meta-analysis were conducted following PRISMA guidelines. A literature search (PubMed, Scopus, Web of Science, Cochrane CENTRAL) identified comparative studies assessing the effects of NIBS in BPD. The primary outcome was impulsivity, measured by the Barratt Impulsivity Scale (BIS-11). Secondary outcomes included Depressive symptoms, which were evaluated using different scales such as the Hamilton Depression Rating Scale (HAMD) and the Beck depression Inventory (BDI) scale, and anxiety symptoms were evaluated using the Hamilton Anxiety Rating Scale (HAMA). Five studies with a total of 103 patients were included. Regarding impulsivity, tDCS 2 mA showed a significant reduction compared to the control group (MD = -11.67, 95% CI [-21.44, -1.90]). For depressive symptoms, TMS 20 Hz ranked highest (SMD = -1.97, 95% CI [-3.51, -0.43]), followed by tDCS 2 mA (SMD = -1.65, 95% CI…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 103 participants or records.
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