This book proposes an integrated model of treatment for Personality Disorders (PDs) that goes beyond outdated categorical diagnoses, aiming to treat the general factors underlying the pathology of personality. The authors emphasize the development of metacognitive functions and the integration of procedures and techniques of different psychotherapies.The book addresses the treatment of complex cases that present with multiform psychopathological features, outlining clinical interventions that focus on structures of personal meaning, metacognition and interpersonal processes. In addition, this book: Provides an overview of pre-treatment phase procedures such as assessment interviewsExplains the Metacognitive Interpersonal Therapy (MIT) approach and summarizes MIT clinical guidelinesOutlines pharmacological treatment for patients with PDsIncludes checklists and other useful resources for therapists evaluating their adherence to the treatment methodComplex Cases of Personality Disorders: Metacognitive and Interpersonal Therapy is both an insightful reexamining of the theoretical underpinnings of personality disorder treatment and a practical resource for clinicians.