Abstract
AbstractA tablet dosage form of liquid valproic acid (VPA) was formulated using powder solution technology as an alternative to the manufacturing of soft elastic gelatin capsules (SEGs). Mixing of liquid VPA with suitable adsorbents followed by blending with other excipients resulted in a non-adherent, free flowing powder. Tableting was achieved through standard direct compression. The tablets were acceptable in terms of physical properties. Film coated tablets (FCTs) and sugar coated tablets (SCTs) were also prepared. The in-vitro dissolution rates of these VPA tablets were significantly greater than that of a marketed SEG product. There was no significant change in the dissolution rates of the plain and FCTs after storage under accelerated stability conditions. Powder solution technology was a viable alternative to the commercial preparation of SEGs.
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