Physicochemical stability of azacitidine suspensions at 25 mg/mL in polypropylene syringes stored under different conditions of storage - Université de Lorraine Access content directly
Journal Articles Pharmaceutical Technology in Hospital Pharmacy Year : 2022

Physicochemical stability of azacitidine suspensions at 25 mg/mL in polypropylene syringes stored under different conditions of storage

Abstract

Abstract Objectives : Azacitidine is a pyrimidine nucleoside analogue whose stability is temperature dependent. Numerous publications have studied the stability of this drug with discordant results. The purpose of this work is to study the stability of azacitidine suspensions under different conditions to allow preparation in advance: vials stored at room temperature or between 2 and 8 °C, reconstituted with refrigerated water for injection (WFI) or frozen/thawed WFI, azacitidine suspensions stored at room temperature, 2–8 °C or at −20 °C. The feasibility of a vented ChemoClave ® Spike vial was also tested to reconstitute and collect azacitidine to aid the preparation stage. Methods : The stability study was performed by HPLC coupled to a photodiode array detector. The method was validated according to ICH Q2(R1). Two syringes were prepared for each analysis condition and two samples were realised for each syringe at each time of the analysis. For a storage at 2–8 °C, analyses were performed for up to 168 h. The stability was studied after 2 h at room temperature. For frozen storage, the stability was studied after 28 days. Results : Azacitidine 25 mg/mL suspensions stored between 2 and 8 °C, prepared with refrigerated WFI or frozen/thawed WFI, retained more than 90% of the initial concentration for 96 h and then for 2 h at room temperature. Prepared with frozen/thawed WFI, azacitidine 25 mg/mL suspensions stored at −20 °C for 28 days and then 72 h between 2 and 8 °C after thawing, retained more than 90% of the initial concentration. When using a Spike system compared to using a needle for reconstitution and collection of the suspension, the results obtained by HPLC showed a decrease of 1.47% in the concentration of azacitidine. The comparisons of the volumes withdrawn after reconstitution were similar when using a Spike system or a needle. Conclusions : Azacitidine 25 mg/mL suspensions reconstituted with refrigerated WFI were chemically stable for 4 days when stored at 2–8 °C whatever the storage of vials (refrigerator or room temperature), and 2 h at room temperature. A storage of azacitidine 25 mg/mL suspensions in syringes prepared with frozen/thawed WFI at −20 °C has been validated for up to 28 days, leading to the possibility to prepare in advance. A Spike device can be used to reconstitute and collect azacitidine.
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hal-03782588 , version 1 (21-09-2022)

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Quentin Trambloy, Jean Vigneron, Igor Clarot, Franck Blaise, Elise D’huart, et al.. Physicochemical stability of azacitidine suspensions at 25 mg/mL in polypropylene syringes stored under different conditions of storage. Pharmaceutical Technology in Hospital Pharmacy, 2022, 7 (1), pp.20220003. ⟨10.1515/pthp-2022-0003⟩. ⟨hal-03782588⟩
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