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3PC-012 Stability of cefuroxime 80 mg/ml solution in ready-to-administer polypropylene syringes
  1. M Helin-Tanninen1,
  2. J Mustonen2,
  3. M Lehtonen2,
  4. O Korhonen2
  1. 1Hospital District of Northern Savo – Kuopio University Hospital, Pharmacy, Kuopio, Finland
  2. 2University of Eastern Finland, The School of Pharmacy/Faculty of Health Sciences, Kuopio, Finland


Background Cefuroxime is an antibiotic agent which is widely used in hospitals. Thus, robotic preparation of prefilled ready-to-administer (RTA) cefuroxime 80 mg/ml injections was validated in our pharmacy. The physicochemical stability of these RTA products is a challenge in Centralised IntraVenous Additive Services (CIVAS). Published stability data for concentrated cefuroxime solutions is limited. Cefuroxime solutions of 10 mg/ml and 50 mg/ml, remained stable for 21 days at +5°C and only 16 to 48 hour at 25°C, respectively (Feutry et al. 2015; Gupta, 2003).

Purpose To determine the physicochemical stability of cefuroxime 80 mg/ml solution in polypropylene syringes to establish the shelf-life of the product.

Material and methods Cefuroxime powders 1.5 g (n=42) were reconstituted with 18 ml of water for injection. The robot added water into vials, solved powder and filled polypropylene syringes. The samples were stored at two different temperatures (4°C and 23°C) and protected from light. Drug concentration, appearance, pH of the solution and amount of degradation products were studied on days 0, 1, 3, 7, 15, 30 and 45. A stability indicating HPLC method for quantitative analysis of cefuroxime was developed and validated. Test for uniformity of dosage units was carried out according to European Pharmacopoeia.

Results The concentration of cefuroxime remained over 90% of the initial concentration (Cl 95%) 11 days at 4°C and 2 days at 23°C. No colour change was detected in samples that were stored at 4°C, but slight changes in colour appeared after 24 hours at 23°C. The pH increased from 7.4 to 7.6 during the storage, while the amount of degradation products increased but still stayed under the limit of 3%. Acceptance value for the test for uniformity of dosage units was calculated to be within the acceptance limit.

Conclusion Compared to literature data, the physicochemical stability of cefuroxime 80 mg/ml solution stored in the refrigerator was reduced. However, the determined shelf-life of 11 days in the refrigerator enables CIVAS and storage of cefuroxime injections. Storage at room temperature needs to be minimised according to these results.

References and/or Acknowledgements 1. Feutry F, et al. Drug Dev Ind Pharm2016;42(1):166–174.

2. Gupta VD. Int J Pharm Compound2003;7(4):310–312.

No conflict of interest

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