People with psychosis often develop an addiction disorder: almost one in two patients with schizophrenia are affected once during their lifetime. Patients with a dual diagnosis mostly have a poorer prognosis, and their disorder often becomes chronic.

Euphrosyne Gouzoulis-Mayfrank and colleagues investigated in a randomized controlled study in the current issue of Deutsches Ärzteblatt International (Dtsch Arztebl Int 2015; 112: 683-91) whether disorder-specific treatment can improve patients’ motivation to remain abstinent and reduce their substance misuse. They applied an evaluated therapeutic program that would be easy to implement in standard care.

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