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Eur Neuropsychopharmacol. 2004 Oct;14(5):385-92.

Effects of the classical antipsychotic haloperidol and atypical antipsychotic risperidone on weight gain, the oestrous cycle and uterine weight in female rats.

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1
Bradford School of Pharmacy, University of Bradford, BD7 1DP, UK.

Abstract

Antipsychotic drug-induced side effects of weight gain and sexual dysfunction have clinical significance adversely affecting both compliance and morbidity. This study evaluated the effects of haloperidol and the atypical antipsychotic risperidone (0.1-1.0 mg/kg) on weight gain, food and water intake, the oestrous cycle and uterine weight in female hooded Lister rats. Haloperidol and risperidone treated rats displayed marked weight gain, although only risperidone induced significant increases in food consumption over the 21-day period. Neither haloperidol nor risperidone influenced water consumption. Marked disruption of the oestrous cycle was observed in risperidone- and haloperidol-treated animals (0.5 and 1.0 mg/kg), which was supported by significantly reduced uterine weights. The findings presented here suggest that the weight gain and sexual dysfunction induced by antipsychotics may be modelled in rodents. This model may offer insight into the mechanisms involved in mediation of such side effects.

PMID:
15336300
DOI:
10.1016/j.euroneuro.2003.12.001
[Indexed for MEDLINE]
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