A prospective, longitudinal, multi-centre investigation (16 centres), including 562 patients, consecutively referred during two years, with a first-episode psychosis of ICD-10, F-2 type. Patients were treated with: 1) ‘Supportive psychodynamic psychotherapy as a supplement to treatment as usual’, 2) an ‘Integrated, assertive, psychosocial and educational treatment programme’, and 3) ‘Treatment as usual’.