Cost effective preservatives free ophthalmic formulation
Keywords:
ophthalmic, ocular surface disease (OSD), cost effective preservativesAbstract
The present invention is directed to a method for producing an ophthalmic pharmaceutical formulation containing a carbonic anhydrase inhibitor, hydroxyl ethyl cellulose (HEC), and a beta-adrenergic antagonist for the treatment of ocular hypertension and glaucoma that is free of benzalkonium chloride and other preservatives. The current production technique is a simpler, more cost-effective method of preparing pharmaceutical ophthalmic formulations in a single tank without the usage of extra sterile-filtered tanks. For individuals with newly diagnosed glaucoma, optical therapy is usually the initial line of treatment. Preservatives are essential in all multi-dose ophthalmic drugs to maintain an antibacterial environment in the container, thus eye care professionals must be aware of the effects of preservatives on the ocular surface.
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