American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists · 2016
Novel plasminogen and hyaluronate sodium eye drop formulation for a patient with ligneous conjunctivitis.
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Conforti Franca Manganelli, Di Felice Giovina, Bernaschi Paola, Bartuli Andrea, Bianco Giuseppe, Simonetti Alessandra, Buzzonetti Luca, Valente Paola, Corsetti Tiziana
Аннотация
PURPOSE: The development, analysis, and first clinical use of a novel eye drop formulation of plasminogen and hyaluronate sodium for the treatment of a patient with ligneous conjunctivitis (LC) are described.
SUMMARY: LC is a chronic inflammatory disorder of the eye that can in rare cases lead to corneal involvement and subsequent blindness. Topically administered plasminogen is an effective treatment for LC; however, the lack of a specific and validated formulation of plasminogen for topical treatment can constitute a gap in the quality of care. A novel formulation of plasminogen and hyaluronate sodium for the treatment of LC was developed by combining commercially available products. Through a series of tests, including microbiological, viscosity, and pH analyses, the novel eye drop formulation was demonstrated to have constant activity (3.3 IU/mL or greater), to be microbiologically stable (i.e., sterile), and to be safe enough for daily administration. The first clinical application of the novel eye drop formulation was in the case of a nine-year-old girl with LC affecting both eyes. Initially, the girl's parents administered two drops every three hours to the left eye each day while the girl was awake. On examination after 30 days of daily use of the eye drop formulation, the patient was found to have a clear cornea and no membrane development on the conjunctiva; the formulation was subsequently administered in both eyes, with positive results.
CONCLUSION: A new formulation of plasminogen plus hyaluronate sodium was developed, tested, and used successfully in a girl with LC.
SUMMARY: LC is a chronic inflammatory disorder of the eye that can in rare cases lead to corneal involvement and subsequent blindness. Topically administered plasminogen is an effective treatment for LC; however, the lack of a specific and validated formulation of plasminogen for topical treatment can constitute a gap in the quality of care. A novel formulation of plasminogen and hyaluronate sodium for the treatment of LC was developed by combining commercially available products. Through a series of tests, including microbiological, viscosity, and pH analyses, the novel eye drop formulation was demonstrated to have constant activity (3.3 IU/mL or greater), to be microbiologically stable (i.e., sterile), and to be safe enough for daily administration. The first clinical application of the novel eye drop formulation was in the case of a nine-year-old girl with LC affecting both eyes. Initially, the girl's parents administered two drops every three hours to the left eye each day while the girl was awake. On examination after 30 days of daily use of the eye drop formulation, the patient was found to have a clear cornea and no membrane development on the conjunctiva; the formulation was subsequently administered in both eyes, with positive results.
CONCLUSION: A new formulation of plasminogen plus hyaluronate sodium was developed, tested, and used successfully in a girl with LC.