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Abstract:  The stability of hydrocortisone in a commercially available dye-free oral vehicle was monitored to establish a beyond-use date for hydrocortisone oral suspension 2 mg/mL. Hydrocortisone oral suspension (2 mg/mL) was prepared from 10-mg tablets in a dye-free oral vehicle (Oral Mix, Medisca) and stored at 4°C and 25°C for 90 days in amber, plastic prescription bottles and oral syringes. The suspendability and dose repeatability of the oral suspension were evaluated. The solubility of hydrocortisone in the dye-free vehicle was determined. Over 90 days, pH and concentration of hydrocortisone in the oral suspension were measured. The stability-indicating nature of a high-pressure liquid chromatographic assay was evaluated in detail. The solubility of hydrocortisone in the dye-free vehicle was 230 mcg/mL at 25°C. This means that about 90% of the drug remains in the solid state where it is less susceptible to degradation. The preparation suspended well to support dose repeatability. The chromatographic assay resolved hydrocortisone from cortisone, excipients in the vehicle, and all degradation products. The assay passed United States Pharmacopeia system suitability tests. Hydrocortisone oral suspension (2 mg/mL) compounded using a dye-free, alcohol-free oral vehicle, Oral Mix, was stable in amber plastic bottles and syringes stored at 4°C and 25°C for 90 days within a 95% confidence interval.

Related Keywords: hydrocortisone, corticosteroids, immunosuppressant, anti-inflammatory agent, inflammation, oral solutions, stability studies, solubility, oral suspension

Related Categories: EXCIPIENTS, FORMULATIONS, PEER-REVIEWED, STABILITIES, COMPATIBILITIES, ALLERGY/IMMUNOLOGY/INFLAMMATION, STORAGE

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