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Wei X.,Key Laboratory of New Animal Drug Project of Gansu Province | Wei X.,Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture | Wei X.,Lanzhou Institute of Husbandryand Pharmaceutical science of CAAS | Wei X.,Lanzhou Institute of Husbandryand Pharmaceutical science of CAAS | And 20 more authors.
PLoS ONE | Year: 2015

A subchronic toxicity test was conducted in rats on the basis of a previous acute toxicity test to evaluate the safety of arecoline hydrobromide (Ah), to systematically study its pharmacological effects and to provide experimental support for a safe clinical dose. Eighty rats were randomly divided into four groups: a high-dose group (1000 mg/kg), medium-dose group (200 mg/kg), low-dose group (100mg/kg) and blank control group. The doses were administered daily via gastric lavage for 14 consecutive days. There were no significant differences in the low-dose Ah group compared to the control group (P>0.05) with regard to body weight, organ coefficients, hematological parameters and histopathological changes. The high-dose of Ah influenced some of these parameters, which requires further study. The results of this study indicated that a long-term, continuous high dose of Ah was toxic. However, it is safe to use Ah according to the clinically recommended dosing parameters. The level of Ah at which no adverse effects were observed was 100 mg/kg/day under the present study conditions. © 2015 Wei et al. Source

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