The purpose of this clinical study is to examine the established, therapeutic EMDR intervention for patients with substance use disorders (SUD). The EMDR method is an integrative and structured therapeutic method which assumes that memories which have been dysfunctionally stored can lead to harmful behavior. The EMDR protocol used for this clinical trials has been specifically developed for patients with SUD - the results should be compared with traditional therapy. For the assessment of the EMDR treatment some questionnaires are given at several times.