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Production and preparation
PP-015 Tacrolimus eye drops as a therapeutic alternative for paediatric patients with inflammatory ocular surface diseases
  1. A Fernández-Ferreiro1,
  2. M González-Barcia1,
  3. L Garcia-Quintanilla1,
  4. A Luaces2,
  5. V Díaz-Tome2,
  6. R Touriño-Peralba3,
  7. I Alonso-Rodriguez2,
  8. X Garcia2,
  9. FJ Otero-Espinar2,
  10. M Lamas4
  1. 1Xerencia de Xestión Integrada de Santiago de Compostela, SERGAS, Pharmacy Department, Santiago Compostela, Spain
  2. 2University of Santiago de Compostela USC, Pharmacy and Pharmaceutical Technology Department and Industrial Pharmacy Institute, Faculty of Pharmacy, Santiago de Compostela, Spain
  3. 3Xerencia de Xestión Integrada de Santiago de Compostela, SERGAS, Opthalmology Department, Santiago Compostela, Spain
  4. 4Health Research Institute of Santiago de Compostela IDIS, Pharmacology Group, Santiago de Compostela, Spain

Abstract

Background Corticosteroids and cyclosporine eye drops are common treatments in inflammatory ocular surface diseases. In some cases, patients do not respond to standard therapy and therefore it is necessary to search for new alternative formulations.

Purpose The aim of this study was to present an ophthalmic compounded alternative to common therapy for inflammatory ocular surface diseases and to evaluate the efficacy in three paediatric patients.

Material and methods Initially, a bibliographic research was conducted to find active ingredients and compatible excipients that could potentially be included in an ophthalmic formula (Martindale, Pubmed and Micromedex). Subsequently, tacrolimus eye drops (TED) were formulated and then its pH (pHmeter, WTW Inolab) and osmolality (VAPRO 5520) were measured. Finally, an ophthalmologist assessed the efficacy of the treatment over 3 months in 3 paediatric patients with inflammatory ocular surface disease in which previous treatments had failed.

Results Each 1 mL of TED pharmaceutical compound contained 0.3 mg of tacrolimus, obtained from the intravenous presentation (Prograf). This ophthalmic formulation contained the following excipients: polyvinyl alcohol, benzalkonium chloride, sodium phosphate dibasic, sodium chloride, sodium phosphate monobasic, disodium edetate, hydrochloric acid or sodium hydroxide and purified water, all from the commercial presentation Liquifilm tears. The TED were developed in a horizontal laminar flow cabin, filtered through a 0.22 micron filter and packed into 5 mL sterile amber glass bottles. The osmolality of TED was 451.3±12.5 mmol/kg and the pH was 7. The ophthalmologist noticed a dramatic improvement in the evolution of the pathology in these 3 patients during the follow-up period; however, he noted that ocular tolerance should be improved as ocular itching was found after instillation of the eye drops.

Conclusion The TED, presented as an ophthalmic pharmaceutical compounding alternative, were safe and effective for paediatric patients with inflammatory ocular surface diseases who did not respond to cyclosporine eye drops.

References and/or acknowledgements Acknowledgements: Fundación Mutua Madrileña and Fundación Española de Farmacia Hospitalaria.

No conflict of interest

https://doi.org/10.1136/ejhpharm-2017-000640.462

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