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Comparative fitting of mathematical models to carvedilol release profiles obtained from hypromellose matrix tablets [Elektronski vir]Ojsteršek, Tadej, farmacevt ; Vrečer, Franc ; Hudovornik, Grega, farmacevtThe mathematical models available in DDSolver were applied to experimental dissolution data obtained by analysing carvedilol release from hypromellose (HPMC)-based matrix tablets. Different ... carvedilol release profiles were generated by varying a comprehensive selection of fillers and carvedilol release modifiers in the formulation. Model fitting was conducted for the entire relevant dissolution data, as determined by using a paired t-test, and independently for dissolution data up to approximately 60% of carvedilol released. The best models were selected based on the residual sum of squares (RSS) results used as a general measure of goodness of fit, along with the utilization of various criteria for visual assessment of model fit and determination of the acceptability of estimated model parameters indicating burst release or lag time concerning experimental dissolution results and previous research. In addition, a model-dependent analysis of carvedilol release mechanisms was carried out.Source: Pharmaceutics [Elektronski vir]. - ISSN 1999-4923 (Vol. 16, issue 4, [article no.] 498, 2024, 29 str.)Type of material - e-article ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 191480323
Author
Ojsteršek, Tadej, farmacevt |
Vrečer, Franc |
Hudovornik, Grega, farmacevt
Topics
Farmacevtska tehnologija |
Zdravilne učinkovine |
hipromeloza |
HPMC |
nadzorovano sproščanje |
spremenjeno sproščanje |
podaljšano sproščanje |
podaljšano sproščanje |
modeliranje |
matematično |
sproščanje zdravila |
hypromellose |
HPMC |
controlled release |
modified release |
extended release |
prolonged release |
modelling |
mathematical |
drug release
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Ojsteršek, Tadej, farmacevt | |
Vrečer, Franc | 08333 |
Hudovornik, Grega, farmacevt | 32217 |
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