AKT-4313

A 28-year-old man presents to his GP with ongoing sleep issues due to tension in his relationship with his girlfriend. He expresses concerns that she may be spending time with her ex-boyfriend who works in the same office as her. He has had similar experiences in past relationships and feels as though he will never find the perfect partner, leading to mood swings and feelings of loneliness. He also admits to self-harming but denies any suicidal thoughts. Following a risk assessment, he is referred to psychiatry and diagnosed with borderline personality disorder.

What is the most appropriate treatment for this 28-year-old man with borderline personality disorder?