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Stability of Alprostadil in 0.9% Sodium Chloride Stored in Polyvinyl Chloride Containers

Author(s):  McCluskey Susan V,Kirkham Kylian,Munson Jessica M

Issue:  Mar/Apr 2017 - Volume 21, Number 2
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Abstract:  The stability of alprostadil diluted in 0.9% sodium chloride stored in polyvinyl chloride (VIAFLEX) containers at refrigerated temperature, protected from light, is reported. Five solutions of alprostadil 11 mcg/mL were prepared in 250 mL 0.9% sodium chloride polyvinyl chloride (PL146) containers. The final concentration of alcohol was 2%. Samples were stored under refrigeration (2°C to 8°C) with protection from light. Two containers were submitted for potency testing and analyzed in duplicate with the stability-indicating high-performance liquid chromatography assay at specific time points over 14 days. Three containers were submitted for pH and visual testing at specific time points over 14 days. Stability was defined as retention of 90% to 110% of initial alprostadil concentration, with maintenance of the original clear, colorless, and visually particulate-free solution. Study results reported retention of 90% to 110% initial alprostadil concentration at all time points through day 10. One sample exceeded 110% potency at day 14. pH values did not change appreciably over the 14 days. There were no color changes or particle formation detected in the solutions over the study period. This study concluded that during refrigerated, light-protected storage in polyvinyl chloride (VIAFLEX) containers, a commercial alcohol-containing alprostadil formulation diluted to 11 mcg/mL with 0.9% sodium chloride 250 mL was stable for 10 days.

Related Keywords: Susan V. McCluskey, BS Pharm, Kylian Kirkham, PharmD, Jessica M Munson, MS, alprostadil, stability, prostaglandin E1, vasodilator, platelet aggregation inhibitor, congenital heart defect, newborn infant, neonate, patent ductus arteriosus, pulmonary hypertension, acute lung injury, lung transplantation, acute respiratory distress syndrome, ARDS, polyvinyl chloride containers, compounded sterile preparations, sterility assurance

Related Categories: PEER-REVIEWED, STABILITIES, COMPATIBILITIES, STERILE PREPARATIONS, CARDIOLOGY, HEMOSTASIS, BLEEDING, ANTICOAGULATION, STORAGE

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