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Physical and Chemical Stability of Budesonide Mucoadhesive Oral Suspensions (MucoLox)

Author(s):  Ip Kendice, Carvalho Maria, Shan Ashley, Banov Daniel

Issue:  Jul/Aug 2017 - Volume 21, Number 4
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Abstract:  Budesonide is a corticosteroid that has been shown effective in the treatment of eosinophilic esophagitis, but there are currently no commercial medicines to treat this chronic allergic/immune condition, despite its prevalence in the U.S. Therefore, pharmaceutical compounding is the alternative choice to meet the therapeutic need of eosinophilic esophagitis patients. Two budesonide mucoadhesive oral suspensions (1 mg/10 mL and 2 mg/10 mL) were developed using the compounding vehicle MucoLox, a proprietary mucoadhesive polymer blend that promotes mucosal adhesion. The physical and chemical stability of the oral suspensions was tested over a period of 182 days, at room temperature and refrigerated conditions, in order to determine the corresponding beyond-use date. The physical characterization consisted in observing all samples for color/appearance and odor, and testing for pH and density, whereas the chemical characterization consisted in ultra-performance liquid chromatography assay testing. Both oral suspensions were proven physically and chemically stable, and the ultra-performance liquid chromatography method was proven stability indicating. As a result, the beyond-use date of the budesonide 1-mg/10-mL and 2-mg/10-mL mucoadhesive oral suspensions (MucoLox), in amber plastic bottles, is six months at both room temperature and refrigerated conditions.

Related Keywords: Kendice Ip, BA, Maria Carvalho, PharmD, MRPharmS, PhD, Ashley Shan, Daniel Banov, MS, budesonide, corticosteroid, asthma, inflammatory bowel disease, eosinophilic esophagitis, mucoadhesive oral suspensions, mucosal adhesion, anti-inflammatory agent, formulation, physical stability, chemical stability, forced degradation studies, stability-indicating assay, storage


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