Adinazolam mesylate, a new triazolobenzodiazepine with antidepressant properties, was significantly superior to placebo based on the following efficacy measures: number of subjects who completed the study; number of subjects whose total score on the 21-item Hamilton Rating Scale for Depression (HAM-D) decreased by 50% or more; and number of subjects who reported that the drug helped them. Mean scores on three HAM-D clusters (anxiety/somatization, sleep disturbance, and an endogenomorpbic cluster) also showed significant differences in favor of adinazolam. Side effects were generally mild and transient; however, a seizure of moderate intensity occurred during rapid tapering of adinazolam from 90 to 40 mg/day. There were no significant anticholinergic effects, and no mania or hypomania was reported in any subject No consistently significant differences were observed between subjects whose primary diagnosis was major depression and those with a diagnosis of bipolar H depression. (J Clin Psychopharmacol 1987;7:170–172)
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