Preparation and characterization of amphiphilic cream formulations with meloxicam

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Abstract
The purpose of this study is to formulate and evaluate amphiphilic cream with meloxicam indicated for topical relief of pain, particularly because there are currently no available topical dosage forms on the market. Thus, the present research is focused on characterization of the capacity of the amphiphilic base, composed of glycerol monostearate, cetyl alcohol, Tagat® S2, Myritol® 318, propylene glycol, and white petrolatum, to be loaded with drug model meloxicam dissolved in propylene glycol. To enhance the solubility and penetration of meloxicam, menthol as a rubefacient was added to the meloxicam solution. The series of three formulations were prepared with variable content of added menthol. Obtained creams were characterized by drug content, pH, spreadability, viscosity, microbial purity, drug release, and stability. Results showed stable cream formulations with good spreadability and viscosity, suitable for topical application.

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