Film-forming polymer granulated excipients as matrix materials for the production of pellets by Extrusion/Spheronization

Tsuimin Tsai, Yu Ping San, Hsiu O. Ho, Ching Cheng Kao, Ming Thau Sheu

Research output: Contribution to journalArticle

Abstract

The composition of excipients may greatly affect the manufacture processes and the characteristics of pellets produced by the extrusion/spheronization method. Pellets prepared by the matrix materials of film-forming polymers granulated excipients with microcrystalline cellulose (MCC) were evaluated. Two model drugs, nifedipine and captopril, were tested in this study. Both polymeric granulated lactose and dibasic calcium phosphate (DCP) with either Eudragit RL 30D, RS 30D or Surelease as well as their native forms were used. Spray granulating either lactose or DCP with polymeric materials of Eudragit RS/RL or Surelease did not affect the overall performance of the pellets. Nifedipine and captopril pellets prepared by the same excipient compositions required quite different amount of water during the preparation due to their differences in solubility. Using polymeric granulated excipients could somewhat affect the dissolution profiles yet the extent was limited.

Original languageEnglish
Pages (from-to)249-257
Number of pages9
JournalChinese Pharmaceutical Journal
Volume49
Issue number4
Publication statusPublished - Aug 1997

Fingerprint

Excipients
Calcium phosphate
Extrusion
Polymers
Captopril
Lactose
Nifedipine
Chemical analysis
Cellulose
Dissolution
Solubility
Water
Pharmaceutical Preparations
ethyl cellulose
anhydrous dibasic calcium phosphate
Eudragit RL

Keywords

  • Captopril
  • Dissolution
  • Excipient
  • Nifedipine
  • Pellet

ASJC Scopus subject areas

  • Pharmaceutical Science
  • Bioengineering

Cite this

Film-forming polymer granulated excipients as matrix materials for the production of pellets by Extrusion/Spheronization. / Tsai, Tsuimin; San, Yu Ping; Ho, Hsiu O.; Kao, Ching Cheng; Sheu, Ming Thau.

In: Chinese Pharmaceutical Journal, Vol. 49, No. 4, 08.1997, p. 249-257.

Research output: Contribution to journalArticle

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