• Aymen Owais Ghauri, Ejaz Mohiuddin, Tayyeba Rehman, and Hk Sheraz Muhammad Siddiqui.
• Aymen Owais Ghauri, PhD Eastern Medicine (fellow) Department of Eastern Medicine, Jinnah University for Women, Karachi, 74600, Pakistan. Faculty of Eastern Medicine, Hamdard University, Karachi, Pakistan.
• Pak J Med Sci. 2022 Jul 1; 38 (6): 1668-1673.

ObjectivesPHF-dia (Poly Herbal Formulation Diabetes) is a polyhedral formulation possessing antihyperglycemic and antihyperlipdimic effects. This study aims to assess acute and sub-acute toxicity of PHF-dia in rats.MethodsThis is an experimental study conducted in two different phases. Acute toxicity was conducted for 14 days and sub-acute toxicity was conducted for 28 days. Both studies were conducted in animal house of Jinnah University for Women, Karachi, Pakistan. Acute toxicity was evaluated in vivo with single time oral administration of 400 mg/kg and 2000 mg/kg doses for two weeks. Sub-acute toxicity was investigated with the application of repeated doses of 150 mg/kg/day, 250 mg/kg/day and 500 mg/kg/day for 28 days.ResultsAcute toxicity study results showed no toxic symptoms, behavioral changes or death in rats up to 2000 mg/kg. Therefore, LD50 of oral toxic dose must be more than 2000 mg/ml. Similarly, sub-acute toxicity studies confirmed the safety of PHF-dia and showed no clinical symptoms nor biochemical or histological variation in rats treated with 150 mg/kg, 250 mg/kg and 500 mg/kg compared to the control group (p <0.05).ConclusionThis indicates safe nature of PHF-dia for the further clinical trials. However, mechanism of action of PHF-dia is not fully understood.Copyright: © Pakistan Journal of Medical Sciences.

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