A sustained release ranolazine formulation contains an intimate mixture of ranolazine and a partially neutralized pH-dependent binder to form a film that is mostly insoluble in aqueous media below pH 4.5 and soluble in aqueous media above pH 4.5. The formulation is suitable for twice daily administration of ranolazine and is useful for controlling the rate of dissolution of ranolazine, and to maintain human plasma ranolazine levels at between 550 and 7500 ng base/mL.

Una formulación sostenida del ranolazine del lanzamiento contiene una mezcla íntima del ranolazine y de una carpeta pH-dependiente parcialmente neutralizada para formar una película que sea sobre todo insoluble en medios acuosos debajo de pH 4.5 y soluble en medios acuosos sobre pH 4.5. La formulación es conveniente para dos veces al dia la administración del ranolazine y es útil para controlar el índice de la disolución del ranolazine, y mantener ranolazine humano del plasma nivela en entre 550 y 7500 ng base/mL.

 
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