Abstract

Numerous researchers in past have reported the diversified therapeutic effects of Berberine hydrochloride (BERH) for the management of metabolic diseases, however due to poor systemic bioavailability these effects are dose dependant and desired effects were reported at high dose levels. The objective of present investigation is to evaluate and establish the enhancement in pharmacological efficacy of the designed BERH formulation at low oral dose level for the treatment of metabolic diseases constituting metabolic syndrome (MS). In the present investigation, BERH formulation in the dose level of (25 and 50mg/kg/day) was evaluated in cafeteria diet (CD) induced MS model in male Wistar rats for 42 days and compared with available marketed preparation in similar dose level using orlistat as reference drug. Among the studied dose level of BERH formulation the 25 mg/kg/day dose was adequate to produce significant reduction in calorie intake (P < 0.01), body weight, BMI, (P<0.001), organ weight viz. (stomach; P<0.05, liver; P<0.001, heart; P<0.01) and serum biochemical parameters (P<0.001). A significant improvement in lipid peroxidation (P<0.001), catalase (CAT), reduced glutathione (GSH) and superoxide dismutase (SOD) contents (P<0.001) was observed. The histopathological examinations indicated amelioration of liver, heart and pancreas tissues. The current study indicated significant glucose-lowering, hypophagic, anti-obesity, anti-hyperlipidemic and cardio protective activity of the BERH formulation even in much low oral dose level compared to previously reported studies. The observed behavior is attributed due to the enhanced bioavailability of BERH formulation which could be effectively used for metabolic diseases treatment.

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