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Erschienen in: Polymer Bulletin 6/2019

27.09.2018 | Original Paper

Fabrication and evaluation of pH-dependent polymeric microspheres of ivabradine and their in vitro and in vivo studies

verfasst von: Abdul Majeed, Nazar Muhammad Ranjha, Mussadique Hussain, Muhammad Fawad Rasool

Erschienen in: Polymer Bulletin | Ausgabe 6/2019

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Abstract

The aim of this work was the development and evaluation of controlled release formulations consisting of methacrylate derivatives and ethyl cellulose synthesized using oil-in-oil solvent evaporation method. Drug release studies were performed in different dissolution media. Maximum drug released was observed at pH 7.4. Fourier transform infrared spectroscopy spectra, SEM and thermal analysis showed compatibility between drug and polymers. Pharmacokinetic parameters were calculated by Phoenix WinNonlin® version 6.3 software. The average AUC0–t was found to be 2483.71 ± 13.173 ng/ml h, 5954.37 ± 12.110 ng/ml h, 6400.82 ± 19.131 ng/ml h and 7427.4 ± 49.322 ng/ml h for group 1–4, respectively. The maximum concentration (Cmax) of IBH for all groups predicted from pharmacokinetics data was 880.38 ng/ml, 718.43 ng/ml, 721.87 ng/ml and 805.11 ng/ml, respectively. Thus, in vitro and in vivo drug release studies of polymeric microspheres proved their controlled release behavior with preferential delivery for an extended period of time.

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Metadaten
Titel
Fabrication and evaluation of pH-dependent polymeric microspheres of ivabradine and their in vitro and in vivo studies
verfasst von
Abdul Majeed
Nazar Muhammad Ranjha
Mussadique Hussain
Muhammad Fawad Rasool
Publikationsdatum
27.09.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 6/2019
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-018-2546-0

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