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Insight into the Development of Dissolution Media for BCS Class II Drugs: A Review from Quality Control and Prediction of In Vivo Performance Perspectives

[ Vol. 13 , Issue. 7 ]

Author(s):

Chunnuan Wu, Yan Liu, Zhonggui He and Jin Sun   Pages 1004 - 1020 ( 17 )

Abstract:


To assess in vivo behavior through in vitro method, the dissolution test is mostly used, both for quality control (QC) and for development purpose. In view of the fact that a dissolution test can hardly achieve two goals at the same time, the design of dissolution testing generally varies along with the development stage of drug products and therefore the selection of dissolution media may change with the goals of the dissolution test. To serve the QC purpose, a dissolution medium is designed to provide a sink condition; for development purpose, the dissolution medium is required to simulate the physiological conditions in the gastrointestinal tract as far as possible. In this review, we intended to provide an initial introduction to the various dissolution media applied for QC and formulation development purposes for poorly water soluble drugs. We focused on these methods like addition of cosolvents, surfactants and utilization of biphasic media, applied to provide sink conditions which are difficult to be achieved by simple aqueous buffers for lipophilic drugs, and introduced the development of physiologically relevant media for human and animals like dog and rat with respect to the choice of buffers, bile salts, lipids and so on. In addition, we further discussed the influence of biorelevant dissolution media on the modification of drug Biopharmaceutical Classification System (BCS) classification, especially for BCS class II drugs with low solubility and high permeability, the solubility of which is relatively sensitive to the presence of bile salts and lipids.

Keywords:

Biopharmaceutical classification system, dissolution media, physiologically relevant media, poorly water soluble drugs, prediction of in vivo performance, quality control.

Affiliation:

Department of pharmaceutics and municipal key laboratory of biopharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China.

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