Physicochemical characteristics and in vitro release from oil-based vehicles of peptidomimetics: parenteral depots for intra-articular administration

Brian Thoning Pedersen; Jesper Østergaard; Susan Weng Larsen; Claus Cornett; Michael Ankersen; Claus Selch Larsen

doi:10.3109/03639045.2010.491831

Physicochemical characteristics and in vitro release from oil-based vehicles of peptidomimetics: parenteral depots for intra-articular administration

Brian Thoning Pedersen, Jesper Østergaard, Susan Weng Larsen, Claus Cornett, Michael Ankersen, Claus Selch Larsen

3 Citationer (Scopus)

Abstract

Results: Basic physicochemical properties including their apparent solubility in aqueous buffer and vegetable oils of a series of 11 peptidomimetics varying with respect to chain length and degree of N-methylation were estimated. It was observed that the compounds in contact with water transformed into sticky, slowly dissolving semisolid materials. Based on these observations, the in vitro release behavior of selected peptide derivatives from oil solutions and in situ formed precipitates was investigated using a validated in vitro release model. Conclusion: The results of this investigation suggest that both types of oil-based drug delivery systems might constitute alternative sustained release formulation principles of such amorphous peptide derivatives for the intra-articular route of administration.

Originalsprog	Engelsk
Tidsskrift	Drug Development and Industrial Pharmacy
Vol/bind	37
Udgave nummer	1
Sider (fra-til)	62-71
ISSN	0363-9045
DOI	https://doi.org/10.3109/03639045.2010.491831
Status	Udgivet - jan. 2011

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Physicochemical characteristics and in vitro release from oil-based vehicles of peptidomimetics: parenteral depots for intra-articular administration. / Pedersen, Brian Thoning; Østergaard, Jesper ; Larsen, Susan Weng et al.
I: Drug Development and Industrial Pharmacy, Bind 37, Nr. 1, 01.2011, s. 62-71.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

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abstract = "Results: Basic physicochemical properties including their apparent solubility in aqueous buffer and vegetable oils of a series of 11 peptidomimetics varying with respect to chain length and degree of N-methylation were estimated. It was observed that the compounds in contact with water transformed into sticky, slowly dissolving semisolid materials. Based on these observations, the in vitro release behavior of selected peptide derivatives from oil solutions and in situ formed precipitates was investigated using a validated in vitro release model. Conclusion: The results of this investigation suggest that both types of oil-based drug delivery systems might constitute alternative sustained release formulation principles of such amorphous peptide derivatives for the intra-articular route of administration.",

keywords = "Former Faculty of Pharmaceutical Sciences",

author = "Pedersen, {Brian Thoning} and Jesper {\O}stergaard and Larsen, {Susan Weng} and Claus Cornett and Michael Ankersen and Larsen, {Claus Selch}",

year = "2011",

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doi = "10.3109/03639045.2010.491831",

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AU - Pedersen, Brian Thoning

AU - Østergaard, Jesper

AU - Larsen, Susan Weng

AU - Cornett, Claus

AU - Ankersen, Michael

AU - Larsen, Claus Selch

PY - 2011/1

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N2 - Results: Basic physicochemical properties including their apparent solubility in aqueous buffer and vegetable oils of a series of 11 peptidomimetics varying with respect to chain length and degree of N-methylation were estimated. It was observed that the compounds in contact with water transformed into sticky, slowly dissolving semisolid materials. Based on these observations, the in vitro release behavior of selected peptide derivatives from oil solutions and in situ formed precipitates was investigated using a validated in vitro release model. Conclusion: The results of this investigation suggest that both types of oil-based drug delivery systems might constitute alternative sustained release formulation principles of such amorphous peptide derivatives for the intra-articular route of administration.

AB - Results: Basic physicochemical properties including their apparent solubility in aqueous buffer and vegetable oils of a series of 11 peptidomimetics varying with respect to chain length and degree of N-methylation were estimated. It was observed that the compounds in contact with water transformed into sticky, slowly dissolving semisolid materials. Based on these observations, the in vitro release behavior of selected peptide derivatives from oil solutions and in situ formed precipitates was investigated using a validated in vitro release model. Conclusion: The results of this investigation suggest that both types of oil-based drug delivery systems might constitute alternative sustained release formulation principles of such amorphous peptide derivatives for the intra-articular route of administration.

KW - Former Faculty of Pharmaceutical Sciences

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JF - Drug Development and Industrial Pharmacy

IS - 1

ER -

Physicochemical characteristics and in vitro release from oil-based vehicles of peptidomimetics: parenteral depots for intra-articular administration

Abstract

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