Interactions of oxyphenbutazone with different cyclodextrins in aqueous medium and in the solid state.

Abstract:

:The interactions between a nonsteroidal anti-inflammatory drugs, oxyphenbutazone (OPB), with two cyclodextrins, beta-cyclodextrin (beta-CD) and gamma-cyclodextrin (gamma-CD), have been studied in an aqueous medium and in the solid state. Differential scanning calorimetry, hot stage microscopy, thermogravimetric analysis and X-ray diffraction (XRD) powder have been the techniques used to characterize the interactions in the solid state. Although OPB forms inclusion compounds with beta- and gamma-CD in the aqueous medium, only the OPB/gamma-CD inclusion compound was obtained in the solid state by the kneading method. The XRD powder used at different temperatures has proven be a useful tool in characterizing the behaviour of these binary systems.

journal_name

J Pharm Biomed Anal

authors

Veiga MD,Merino M

doi

10.1016/s0731-7085(02)00042-0

subject

Has Abstract

pub_date

2002-06-01 00:00:00

pages

973-82

issue

5

eissn

0731-7085

issn

1873-264X

pii

S0731708502000420

journal_volume

28

pub_type

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