alexa Enhancement of Bioavailability of Fenofibrate with Alpha Tocopherol and Phospholipids as Solubilizers | OMICS International | Abstract
ISSN: 0975-0851

Journal of Bioequivalence & Bioavailability
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Research Article

Enhancement of Bioavailability of Fenofibrate with Alpha Tocopherol and Phospholipids as Solubilizers

TK Indira1*, PK Lakshmi1, J Balasubramaniam2 and YV Rajesh2

1Department of Pharmaceutics, Osmania University, Hyderabad, Andhra Pradesh 500028, India

2Research and Development Centre, RA Chem Pharma Limited, Hyderabad, Andhra Pradesh 500076, India

Corresponding Author:
TK Indira
Department of Pharmaceutics
Osmania University, Hyderabad
Andhra Pradesh, India
Tel: 09396555519
E-mail: [email protected]

Received April 24, 2012; Accepted Date: May 12, 2012; Published Date: May 14, 2012

Citation: Indira TK, Lakshmi PK, Balasubramaniam J , Rajesh YV (2012) Enhancement of Bioavailability of Fenofibrate with Alpha Tocopherol and Phospholipids as Solubilizers. J Bioequiv Availab S14:006. doi: 10.4172/jbb.S14-006

Copyright: © 2012 Indira TK, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


The purpose of this study was to investigate the effect of different solubilizers namely alpha tocopherol, soyphosphatidylcholine 70, Phospholipon 80H, and Phospholipon 90H on the bioavailability of sustained release fenofi-brate pellets using fluid bed coating by applying Taguchi design to optimize the type and concentration of solubilizer at four levels namely 0.5%, 1%, 1.5%, and 2%. The pellets were prepared by loading the fenofibrate blended with other excipients onto the core sugar pellets with the aid of the binder solution. Taguchi experimental runs with alphatocopherol 1% and Phospholipon 90H 2% (test) showed significant differences in in vitro dissolution behavior of drug compared to the pure drug. The pharmacokinetics of pure drug and test was evaluated in healthy male Wistar rats and found that t1/2 was reduced significantly (4.36 and 4.02 hours) while AUC0-t (32.14 ± 6.38 μg h/ml, 36.94 ± 6.2 μgh/ml), Cmax (8.7 ± 2.31 μg/ml, 9.8 ± 2.2 μg/ml) were improved markedly compared to the pure drug with t1/2 (7.339314± 3.1 hours), AUC0-t (11.89 ± 8.13 μg h/ml), and Cmax (5.137 ± 3.37 μg/ml). The extent of the mean plasma exposure of fenofibrate was 2.7 and 3.1 fold higher in animals treated with test. The ANOVA results revealed that type and concentration of solubilizer are crucial for enhancement of in vitro dissolution profile. Hence use of solubilizers may be the promising way to improve the oral bioavailability of fenofibrate.


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