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Development of ready-to-use (RTU) cefuroxime syringes for use in ophthalmology
  1. Sandrine Fleury-Souverain1,
  2. Farshid Sadeghipour1,
  3. Pascal Bonnabry1,2
  1. 1Pharmacy Department, University Hospitals of Geneva, Geneva, Switzerland
  2. 2School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Geneva, Switzerland
  1. Correspondence to Dr Sandrine Fleury-Souverain, Department of Pharmacy, University Hospitals of Geneva, Rue Gabrielle-Perret-Gentil 4, Geneva CH-1211, Switzerland; sandrine.fleury.souverain{at}hcuge.ch

Abstract

Objectives To improve the safety of the preparation and its availability in ophthalmology, a ready-to-use cefuroxime syringe prepared under aseptic conditions according to good manufacturing practice was developed by the hospital pharmacy.

Methods The chemical stability of cefuroxime solution at 10 mg/mL in 0.9% sodium chloride in syringes (0.5 mL) was achieved at −18°C by a capillary electrophoresis method. Syringes of the last acceptable time were then stored at 4°C and the study was continued for one additional month. The pH was measured throughout the study and the presence of particle matter was controlled. Sterility testing was performed to test the integrity of the syringes.

Results An optimal period of 4 months at −18°C was defined for storage of syringes of cefuroxime without significant loss in potency and an acceptable rate (4%) of degradation products. After thawing and storage at 4°C, degradation products progressively increased. As these derivatives can represent up to 10% of cefuroxime in terms of peak area after 1 month, it is recommended that the syringes are used within 1 h after thawing. The pH did not change appreciably during the study and the sterility testing results were negative. Moreover, in all cases the syringes fulfilled all the European Pharmacopoeia criteria with regard to non-visible particles.

Conclusions The availability of cefuroxime for use in ophthalmology is improved as ready-to-use syringes can be stored in the ward freezer and administered immediately after thawing.

  • cefuroxime
  • polypropylene syringes
  • CIVAS
  • ophtamology

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