Stability and change in dimensional ratings of personality disorders in drug abuse patients during treatment

The objective of the study was to determine the extent of change in dimensional scores of personality disorders during treatment of drug abuse patients. The drug abuse patients were monitored prospectively during treatment. Over a period of 6 years, at 3-monthly intervals, all residents in a therapeutic community for drug abuse patients were administered the Millon Clinical Multiaxial Inventory-II (MCMI-II), a questionnaire developed to measure Diagnostic and Statistical Manual of Mental Disorders (3rd ed., revised) personality disorders. Subjects who completed the MCMI-II at least at four different times were selected for this study (n = 72). Results of the study showed that treatment had resulted in significant changes in the dimensional scores of some personality disorders, whereas other dimensional scores did not change at all. Implications for treatment are discussed.

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