期刊
AAPS PHARMSCITECH
卷 18, 期 7, 页码 2561-2569出版社
SPRINGER
DOI: 10.1208/s12249-017-0738-9
关键词
dissolution test; Franz diffusion cell; patch; pharmacopeial apparatus; rivastigmine
资金
- CAPES [3372/13-8]
- CAPES (Brasilia, Brazil)
- FAPERJ (Rio de Janeiro, Brazil)
- Science Foundation Ireland [12/RC/2275]
The aim of this study was to develop and validate a discriminating in vitro release test to evaluate rivastigmine transdermal patches. The ExelonA (R) Patch was chosen as a model transdermal product. The studies of in vitro release were designed to determine the impact of the official apparatus chosen (USP apparatus 5 and USP apparatus 6), the rotation speed, and the dissolution medium characteristics on the rivastigmine release profile from transdermal patches. Patches with different drug release profiles were tested in order to evaluate the discriminating power of the in vitro release test developed and validated. Variables such as the apparatus type, the dissolution medium, and the rotation speed have a significant influence on the drug release characteristics from a transdermal patch. The in vitro release methodologies using the USP apparatus 5 at 50 rpm and USP apparatus 6 at 25 rpm using the medium phosphate-buffered saline pH 7.4 were considered discriminative and adequate to characterize the rivastigmine (RV) release from a commercial transdermal patch, ExelonA (R) Patch.
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