Motivational Interviewing to Acutely Admitted Psychiatric Patients With Comorbid Substance Use

2 sessions of 45 minutes each with manual guided motivational interviewing delivered individually by a trained therapist.

Treatment as usual is individualized according to the clinical condition of the patients during the stay and in accordance with general national and international medical standards. It includes detoxification, pharmacotherapy, and general psychotherapy. Also, treatment is given for any coexisting non-substance-related disorder, including psychiatric disorders.