Solubility enhancement of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) using polypolypropylene oxide core PAMAM dendrimers.

Fatma Ebru Koç, Mehmet Senel

Journal: International journal of pharmaceutics 2013;451(1-2):18-22

PMID: 23628406

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Abstract

The aim of the present study was to evaluate the aqueous solubility enhancement properties of polypropylene oxide cored PAMAM (PPO@PAMAM) dendrimers. The solubility of NSAIDs (Ketoprofen, Ibuprofen and Diflunisal) was investigated in the presence of PPO@PAMAM dendrimers at room temperature in buffer solution. The effects of dendrimer concentration, generation and core size on the solubility of NSAIDs have been investigated. The experimental results showed that the solubility of the NSAIDs was approximately proportional to dendrimer concentration and generation. In addition, the effect of core size on the solubility of NSAIDs in constant generation and concentration of PPO@PAMAM dendrimer was Ketoprofen>Diflunisal>Ibuprofen. Under optimized conditions, PPO@PAMAM dendrimers are highly effective solubility enhancer for NSAIDs due to its new polypropylene oxide core.

Address: Department of Biotechnology, Institute of Science and Engineering, Fatih University, B. Cekmece, Istanbul 34500, Turkey.

DOI: 10.1016/j.ijpharm.2013.04.062

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MeSH Terms: Anti-Inflammatory Agents, Non-Steroidal, Dendrimers, Diflunisal, Drug Delivery Systems, Ibuprofen, Ketoprofen, Polymers, Propylene Glycols, Solubility, Temperature