A Transdiagnostic Mentalization-based Intervention for Parents With Mental Disorders

Inclusion Criteria exclusive to the Outpatient Clinic * Age \>18 years * Seeking treatment for one of the following non-psychotic disorders according to ICD-10: obsessive-compulsive disorder and anxiety disorders (F40-42), posttraumatic stress disorder (DF43), personality disorders (F60-61), or one of the previous disorders and a drug-or alcohol related disorder (F10-19) (i.e. 'dual diagnosis disorder') Inclusion Criteria exclusive to the trial: * Parent of at least one child aged 0-17 years of age at baseline * Fluent i.e., sufficient Danish language skills * Parent is living with child or is in regular contact (min. 5 days monthly) * Written informed consent Exclusion Criteria exclusive to the Outpatient Clinic: * Possibility of a learning disability (IQ\<75) * A diagnosis of schizotypal personality disorder or antisocial personality disorder * Presence of a comorbid psychiatric disorder that requires specialist treatment elsewhere * Concurrent psychotherapeutic treatment outside the clinic Exclusion Criteria exclusive to the trial: * Acute suicidal risk or state of crises * Lack of informed consent * Acute child endangerment * Participation in another parenting focused intervention simultaniously