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We developed a systematic approach to assess the presence, severity, and management of extrapyramidal symptoms (EPS) in patients treated with antipsychotics. Patients were evaluated by the Modified Simpson-Angus scale, Abnormal Involuntary Movement Scale, and Dyskinesia Identification System: Condensed User Scale. We completed 235 sets of evaluations in 83 patients. A pharmaceutical intervention was proposed in 54% (130) of evaluations, of which 82% (107) were accepted and followed. In 93% (99) evaluations in which a recommendation was followed, clinical outcome was positive. The most common intervention was reducing the dosage or discontinuing the antidyskinetic agent, most often an anticholinergic (55% of cases). Our results show that detailed monitoring of EPS in a clinical pharmacist-operated clinic promotes rational drug therapy, limits unnecessary drugs, and improves clinical outcome of patients with EPS.

We sought to determine whether patients receiving valproate plus an antidepressant had significantly lower serum valproate levels before initiation of the antidepressant than those patients receiving valproate without an antidepressant. We further sought to identify the prevalence of antidepressant-induced mania and to determine if valproate provided a protective effect against antidepressant-induced mania. A computer database search from January 1, 1990-June 30, 1998, identified patients with bipolar or schizoaffective disorder treated with valproate. Patients receiving an antidepressant during valproate therapy were identified as the treatment group (9 patients), and the remaining patients served as the control group (17 patients). Serum valproate levels were recorded just before starting the antidepressant for the treatment group and monthly during a comparable period for the control group. The mean time to antidepressant initiation was 15 +/- 8 weeks. The mean serum valproate level just before antidepressant initiation was significantly lower for the treatment group compared with the mean serum valproate level averaged over 16 +/- 6 weeks for the control group (54 +/- 24 vs 73 +/- 13 microg/ml, p<0.05). Four patients (44%) developed antidepressant-induced mania. Three required discontinuation of the antidepressant; their serum valproate levels were 54, 60, and 71 microg/ml. Patients requiring the addition of an antidepressant had significantly lower valproate serum levels than those who did not require an antidepressant. Further study is necessary to determine whether higher serum valproate levels are needed for prevention of depressive symptoms in bipolar and schizoaffective disorders.