Time-programmed dual release formulation by multilayered drug-loaded nanofiber meshes

Tatsuya Okuda, Kengo Tominaga, Satoru Kidoaki

Research output: Contribution to journalArticle

158 Citations (Scopus)

Abstract

To develop a drug carrier that enables time-programmed dual release in a single formulation, multilayered drug-loaded biodegradable nanofiber meshes were designed using sequential electrospinning with the following construction: (i) first drug-loaded mesh (top), (ii) barrier mesh, (iii) second drug-loaded mesh, and (iv) basement mesh (bottom). The drug release speed and duration were controlled by designing morphological features of the electrospun meshes such as the fiber diameter and mesh thickness. Control of the timed release of the second drug-the retardation period-was accomplished by appropriate design of the barrier mesh thickness. An in vitro release experiment demonstrated that the tetra-layered construction described above with appropriate morphological features of each component mesh can provide timed dual release of the respective drugs. The time-programmed dual release system using the multilayered electrospun nanofiber meshes was demonstrated as a useful formulation for advanced multidrug combination therapy requiring regiospecific administration of different drugs at different times. The potential use of the present multilayered formulation is discussed for application to biochemical modulation as one administrative strategy for use in sequential chemotherapy employing multiple anti-tumor drugs.

Original languageEnglish
Pages (from-to)258-264
Number of pages7
JournalJournal of Controlled Release
Volume143
Issue number2
DOIs
Publication statusPublished - Apr 1 2010

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Nanofibers
Drug Compounding
Pharmaceutical Preparations
Drug Carriers
Drug Therapy
Drug Liberation
Neoplasms

All Science Journal Classification (ASJC) codes

  • Pharmaceutical Science

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Time-programmed dual release formulation by multilayered drug-loaded nanofiber meshes. / Okuda, Tatsuya; Tominaga, Kengo; Kidoaki, Satoru.

In: Journal of Controlled Release, Vol. 143, No. 2, 01.04.2010, p. 258-264.

Research output: Contribution to journalArticle

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