Journal
INTERNATIONAL JOURNAL OF PHARMACEUTICS
Volume 487, Issue 1-2, Pages 167-176Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijpharm.2015.04.030
Keywords
Hot-melt extrusion; Taste-masking; Pediatric and geriatric; Modified screw design; Ethylcellulose (EC)
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Funding
- National Institute of General Medical Sciences ( NIGMS), a component of NIH [P20GM104932]
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The objective of this study was to develop caffeine citrate orally disintegrating tablet (ODT) formulations utilizing hot-melt extrusion technology and evaluate the ability of the formulation composition to mask the unpleasant bitter taste of the drug using in vitro and in vivo methods. Ethylcellulose, along with a suitable plasticizer, was used as a polymeric carrier. Pore forming agents were incorporated into the extruded matrix to enhance drug release. A modified screw configuration was applied to improve the extrusion processability and to preserve the crystallinity of the API. The milled extrudates were subjected to dissolution testing in an artificial salivary fluid and investigations using e-tongue, to assess the extent of masking of bitter taste of the API. There was an insignificant amount of drug released from the formulation in the salivary medium while over 80% of drug released within 30 min in 0.1 N HCl. ODTs were also developed with the extrudate mixed with mannitol and crospovidone. The quality properties such as friability and disintegration time of the ODTs met the USP specifications. The lead extrudate formulations and the ODTs prepared using this formulation were subjected to human gustatory evaluation. The formulations were found to mask the unpleasant taste of caffeine citrate significantly. (C) 2015 Elsevier B.V. All rights reserved.
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