Journal
HUMAN PSYCHOPHARMACOLOGY-CLINICAL AND EXPERIMENTAL
Volume 18, Issue 4, Pages 261-269Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/hup.494
Keywords
antidepressants; paroxetine; mirtazapine; car driving
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Objective To assess the effects of paroxetine and mirtazapine on psychometric performance related to car driving, including an on-the-road test of BRT. Method In a 4-way, double blind randomised crossover study, 12 healthy volunteers received paroxetine 20mg mane, mirtazapine 15 mg/30 mg nocte (comparator), mirtazapine 15 mg mane/15 mg b.i.d.(verum) and placebo over a 5 day period with a washout period of 7 days between treatments. Psychometric assessments included 'on-the-road' BRT (BRT), CFF (CFF), CRT (CRT) and subjective measures of sedation and sleep parameters. Results Paroxetine had no significant effect on BRT compared with placebo. Although subjective ratings of sleep quality and sedation were impaired, there were significant improvements in both CFF and the recognition reaction component of CRT with paroxetine. Mirtazapine 15 mg/30 mg nocte impaired laboratory performance and some subjective tests. Mirtazapine 15 mg mane/15 mg b.i.d. improved sleep, but significantly impaired all other measures. Conclusion Paroxetine 20mg/day has no psychomotor or behavioural toxicity and has no negative impact on BRT. Further research into the chronic and sub-chronic effects of mirtazapine is needed to establish the clinical significance of these results. Copyright (C) 2003 John Wiley Sons, Ltd.
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