Cognitive Therapy in the Treatment of Drug- Resistant Delusional Disorder.

Four unselected patients with drug-resistant delusional disorder were individually treated with eight sessions of cognitive therapy plus a booster session every month up to 1 year. All patients improved on a global measure of delusional severity (the GSDS), and showed a marked reduction in belief conviction. Related psychopathology as measured on the Comprehensive Psychopathological Rating Scale (CPRS) also markedly improved and all the gains were maintained at 1-year follow-up. Improved compliance with medication was achieved with half of the patients, and contributed to the improvement gained. [ABSTRACT FROM AUTHOR]