Controlled release behavior and characterization of ropinirole hydrochloride using multi-layer formulation

Jung Hwan Lee; Jeawon Yang; Jin Young Park; Cheon Jung Lee; Na Keum Jang; Jae Hoon Shin; Dong-Kwon Lim; Gilson Khang

doi:10.1007/s40005-014-0166-8

Controlled release behavior and characterization of ropinirole hydrochloride using multi-layer formulation

Jung Hwan Lee, Jeawon Yang, Jin Young Park, Cheon Jung Lee, Na Keum Jang, Jae Hoon Shin, Dong-Kwon Lim, Gilson Khang

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

In this paper, we report cost-effective and simply achievable extended release formulations of ropinirole hydrochloride (RP) by forming coating layers with well-known polymers. The upper and bottom coating layers were composed of one of gel-forming polymers such as PEG, PVP, and HPMC, respectively, designed to control drug release profile. The core tablet is prepared by wet granulation method with RP and HPMC (150 K). The multi-layer tablet showed much slower release behavior than that of commercially available once-diary formulation (REQUIP PD^®, 4 mg, GSK) in the pH 1.2 conditions regardless of coated polymers, and zero order release profiles of RP were observed in the pH 6.8 dissolution conditions, which is nearly identical to dissolution profile of REQUIP PD^®. These results indicate that the formation of multi-layer tablet is one of promising strategies for extended release formulation of RP, in addition, better bioavailability is expected due to minimized dissolution profiles of RP in low pH.

Original language	English
Pages (from-to)	201-208
Number of pages	8
Journal	Journal of Pharmaceutical Investigation
Volume	45
Issue number	2
DOIs	https://doi.org/10.1007/s40005-014-0166-8
Publication status	Published - 2015 Jan 1
Externally published	Yes

Keywords

Extended release formulation
Multi-layer formulation
REQUIP PD
Ropinirole hydrochloride
Wet granulation
Zero-order release

ASJC Scopus subject areas

Pharmaceutical Science
Pharmacology, Toxicology and Pharmaceutics (miscellaneous)

Access to Document

10.1007/s40005-014-0166-8

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Controlled release behavior and characterization of ropinirole hydrochloride using multi-layer formulation. / Lee, Jung Hwan; Yang, Jeawon; Park, Jin Young; Lee, Cheon Jung; Jang, Na Keum; Shin, Jae Hoon; Lim, Dong-Kwon; Khang, Gilson.

In: Journal of Pharmaceutical Investigation, Vol. 45, No. 2, 01.01.2015, p. 201-208.

Research output: Contribution to journal › Article › peer-review

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