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Development and Validation of a Dissolution Test for Meloxicam and Pridinol Mesylate from Combined Tablet Formulation

Author(s): SE Vignaduzzo, PM Castellano, TS Kaufman
Institute of Chemistry, Rosario (IQUIR, CONICET-UNR), Suipach 513, 52002LRK, Rosario, Argentina

Correspondence Address:
T S Kaufman Institute of Chemistry, Rosario (IQUIR, CONICET-UNR), Suipach 513, 52002LRK, Rosario Argentina E-mail: [email protected]

The association of meloxicam and pridinol is indicated for treating muscular contractures and low back pain. A dissolution test for the meloxicam-pridinol combined tablet formulation was developed and validated, using a suitable HPLC method for simultaneously quantitating both dissolved drugs. The optimized conditions include the use of USP apparatus 2 at a paddle rotation rate of 75 rpm and 900 ml of 50 mM phosphate buffer (pH= 7.5) as dissolution medium, at 37.0±0.5o. The test, which demonstrated to be robust against small changes in bath temperature, paddle rotation speed and pH of the dissolution medium, was applied to two different brands of tablets; the corresponding dissolution profiles were constructed and both brands showed to dissolve at least 75% of the drugs at the 45 min time point.

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Citations : 53647

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