PubMed · 4380956
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K Navrátil. 1966. [Medrin. (Tablets)].. https://pubmed.ncbi.nlm.nih.gov/4380956/
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The stability and sterility of granisetron hydrochloride in 5% dextrose injection or 0.9% sodium chloride injection when stored in a disposable elastomeric infusion device were studied. Granisetron was diluted to 0.02 mg/mL (as the hydrochloride salt) in 5% dextrose chloride injection. The solution was placed in the drug reservoir of a disposable elastomeric infusion device and refrigerated at 4 degrees C for 14 days. A total of eight pumps were prepared, four containing granisetron 0.02 mg/mL in 5% dextrose injection and four containing granisetron 0.02 mg/mL in 0.9% sodium chloride injection. The solutions were assayed for granisetron concentration by stability-indicating high-performance liquid chromatography at 0 hours, 24 hours, 48 hours, 7 days, and 14 days. Each solution was inspected for clarity, color, and precipitation, and sterility testing was performed. Throughout the study, the mean concentration of granisetron remaining was more than 92% of the initial concentration both in 5% dextrose injection and in 0.9% sodium chloride injection. Individual solutions in 0.9% sodium chloride injection consistently maintained more than 90% of the initial drug concentration for only seven days. No microbial growth was detected. No precipitation, color change, or haziness was seen. Granisetron 0.02 mg/mL (as the hydrochloride salt) was stable and free of microbial growth in 0.9% sodium chloride injection for up to 7 days and stable and free of microbial growth in 5% dextrose injection for up to 14 days when stored at 4 degrees C in a disposable elastomeric infusion device.
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