Eight-year prospective follow-up of mentalization-based treatment versus structured clinical management for people with borderline personality disorder.

Participants (n = 134) treated in a randomized controlled trial with mentalization-based treatment (MBT) compared with structured clinical management were followed up for 8 years after starting treatment in terms of the initial primary outcome of the trial-namely, suicide attempts, self-harm, and hospitalization-as well as service use and functional outcomes. Patients in the study group were interviewed by research assistants who remained masked...