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Closed system production of serum eye drops using dockable saline
Susy Kirwan1, Patrick S L Kwan1, Ronald So1
1Clinical Development Team, New Zealand Blood Service, Auckland, New Zealand.
Vox Sanguinis
|July 10, 2023
Summary
A new fully closed system for manufacturing serum eye drops significantly reduces production time by 45% and eliminates bacterial contamination risks. This innovation enhances patient safety and streamlines the production process for eye care therapeutics.
Area of Science:
- Pharmaceutical Manufacturing
- Ophthalmology
- Biotechnology
Background:
- Manufacturing serum eye drops in a fully closed system was previously challenging.
- Existing methods required clean suites, increasing costs and reducing efficiency.
- Growing demand for serum eye drops necessitated improved production methods.
Purpose of the Study:
- To implement and evaluate a fully closed manufacturing process for serum eye drops.
- To address bacterial contamination risks in serum eye drop production.
- To improve production efficiency and patient safety.
Main Methods:
- Utilized a dockable format for sterile saline with custom tubing for sterile connections.
- Implemented a fully closed manufacturing workflow at New Zealand Blood Service.
- Manufactured serum eye drops in a general laboratory environment, bypassing clean suite requirements.
Main Results:
- Achieved a 45% reduction in average production time.
- Manufactured over 30,000 serum eye drop vials without any bacterial contamination.
- Demonstrated robust sterile connections and successful implementation of the closed system.
Conclusions:
- The dockable saline system transforms serum eye drop manufacturing into a fully closed process.
- This innovation enhances patient safety and significantly cuts manufacturing time and costs.
- The new workflow is practical, effective, and portable, moving away from restrictive clean suite processes.

