Journal
BRAZILIAN JOURNAL OF PHARMACEUTICAL SCIENCES
Volume 51, Issue 1, Pages 27-33Publisher
UNIV SAO PAULO, CONJUNTO QUIMICAS
DOI: 10.1590/S1984-82502015000100003
Keywords
Pullulan; Excipients; Microparticulate tablets; Sodium alendronate
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Funding
- CNPq/Brazil
- FIPE/UFSM/Brazil Program
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This work reports the preparation of tablets by direct compression of sodium alendronate-loaded microparticles, using pullulan as filler. The tableting properties of pullulan were compared with those of microcrystalline cellulose and lactose. Pullulan tablets showed low variations in average weight, thickness and drug content. Moreover, these tablets exhibited a higher hardness compared to the other excipients. In vitro release studies showed that only pullulan was capable to maintain gastroresistance and release properties of microparticles, due to its ability to protect particles against damage caused by compression force. Thus, pullulan was considered an advantageous excipient to prepare tableted microparticles.
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