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PDM V1.0, Open Access
A means and method for manufacturing palatable drug granules using a polymer having at least one free carboxyl group and PVP is described. This is achieved by (1) dissolving/suspending a drug in an aqueous solution of polymers and subsequently adjusting the pH of the solution to an acidic pH or (2) suspending a drug in an organic solution of one of the aforementioned polymers and then adding the other polymer solution, with constant agitation. The polymers form a complex and consequently entraps the drug and produce palatable drug granules that are suitable for preparing sustained release pharmaceutical dosage forms (powders, suspension, tablets, chewable tablets).