Abstract
Aim: Physicochemical and pharmacological study of the supramolecular inclusion complexes of the hypotensive drug nifedipine (NF) with the larch polysaccharide arabinogalactan (AG). Materials & methods: The NF:AG complexes were obtained and their physicochemical properties were studied. Their hypotensive action and pharmacokinetic profiles were evaluated in rats with normal and elevated arterial blood pressure. Results: In both rat lines the NF:AG complex decreased the arterial blood pressure at a lower dosethan free NF (1.75mg/kg of NF in complex compared with 3.5mg/kg of free NF) and has a better pharmacokinetic profile than free NF. Conclusion: The use of the NF:AG complex is an effective way to sufficiently enhance and hasten NF's hypotensive action.
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