Dissolution Tests of Loxoprofen Sodium Hydrate Tablets Using Ultra High-Speed Liquid Chromatography

Research output: Contribution to journalArticle

Abstract

Ultra high-speed liquid chromatography (ultra high-speed LC) has become an increasingly popular method in analytical research fields. This novel analytical system provides fast and efficient chromatographic separation over a wide range of flow rate and pressure. In this study, we applied an ultra high-speed LC system to the analysis of active ingredients, such as loxoprofen sodium hydrate and some additives in the drug formulation. As part of the ultra high-speed LC system utilized in this study was a LaChrom Ultra system (Hitachi, Tokyo, Japan) equipped with a L-2455U diode array detector and a LaChrom Ultra C18 (particle size, 2 ?m) column; as a result, short time stability tests of drugs were accomplished efficiently. Loxoprofen sodium hydrate is one of the most popular non-steroidal anti-inflammatory drugs (NSAIDs) used in Japan. The use of generic products has been strongly encouraged in order to reduce healthcare costs. The active ingredients, strengths, dosage forms and regimen of generic products are the same as those of the innovator's products. However, there are many generic products of loxoprofen sodium hydrate. The most important factor in selection is information concerning the quality of the product. For oral drug products, dissolution tests should be performed, since they provide important information concerning the bioequivalence of generic products. After dissolution tests of brand-name drugs and generic products, their elution behaviors were evaluated by high-speed analysis. We achieved a fast analysis of loxoprofen within 1.0 min, and compared the elution behavior between, the brand-name drug and generic products.

Original languageEnglish
Pages (from-to)713-718
Number of pages6
JournalBunseki Kagaku
Volume61
Issue number8
DOIs
Publication statusPublished - 2012

Fingerprint

Liquid chromatography
Hydrates
Tablets
Dissolution
Generic Drugs
Dosage Forms
Pharmaceutical Preparations
Drug products
Diodes
Anti-Inflammatory Agents
Particle size
Flow rate
loxoprofen
Detectors
Costs

Keywords

  • dissolution test
  • generic products
  • loxoprofen sodium hydrate
  • ultra high-speed liquid chromatography

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Dissolution Tests of Loxoprofen Sodium Hydrate Tablets Using Ultra High-Speed Liquid Chromatography. / Miura, Yui; Itoh, Yoshiko; Kanazawa, Hideko.

In: Bunseki Kagaku, Vol. 61, No. 8, 2012, p. 713-718.

Research output: Contribution to journalArticle

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