ArticleEuropean journal of hospital pharmacy : science and practice2025
Evaluation of the stability of aciclovir in elastomeric infusion devices used for outpatient parenteral antimicrobial therapy.
Article in European journal of hospital pharmacy : science and practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 2 citations in OpenAlex.
- Continuous Intravenous Acyclovir as Outpatient Parenteral Antimicrobial Therapy for HSV and VZV Neurological Infections: A Case Series With Pharmacokinetic and Cost Evaluation, and Review of Literature.Reviews in medical virology · 2026Review
- 2026 Updated good practice recommendations for outpatient parenteral antimicrobial therapy (OPAT) in adults and children in the UK.JAC-antimicrobial resistance · 2026Review
- ElastoMeric Infusion Pumps for Hospital AntibioTICs (EMPHATIC): A Feasibility Study.Antibiotics (Basel, Switzerland) · 2025Article
Corrections and comments
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Authors and funding
10 authors at 7 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesTo investigate the stability of aciclovir solutions in elastomeric devices used for outpatient parenteral antimicrobial therapy (OPAT).
methodsTriplicates of two elastomeric devices, Accufuser and Easypump II, were filled with a solution of 200 mg, 2400 mg, and 4500 mg aciclovir in 240 mL 0.9% w/v saline. Devices were stored at room temperature for 14 days, followed by 24 hours storage at 32°C. Assessment using a stability indicating assay, pH and subvisible particle analysis was undertaken at 11 time points throughout the study.
resultsAciclovir solution at 200 mg and 2400 mg in 240 mL was stable for 14 days at room temperature (<20°C) and 24 hours of 32°C 'in-use' temperature exposure, remaining above the 95% limit for NHS stability protocols. The high dose was also stable for 14 days at room temperature, but when stored at 32°C there was precipitation of aciclovir within 4 hours in both devices. The precipitate was confirmed as aciclovir and precipitation was not a sign of chemical degradation.
conclusionsAciclovir concentrations above 2400 mg/240 mL are liable to precipitation and cannot be recommended for OPAT services because of heightened risks of nephrotoxicity. Aciclovir solution can be given as a continuous 24-hour infusion for OPAT services at a concentration range of 200-2400 mg in 240 mL in Accufuser and Easypump II elastomeric devices following 14 days storage at room temperature, protected from light.
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