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Comparison of the dissolution behaviour of tablets containing the drug in a polyethyleneglycol solid dispersion with
Abstract:
Higher dissolution rates of diazepam were noted with tablets containing the drug in polyethyleneglycol solid dispersion compared to these containing a physical mixture of the drug granulated with polyethyleneglycol or to directly compressed tablets. The shape factor and t63% depend strongly on the method of incorporation of the drug in the compressed mass. The dissolution of the drug becomes pH independent when it is present as a solid dispersion, which may be advantageous for the bioavailability.
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