Liquid ophthalmic sustained release delivery system

Details Liquid ophthalmic sustained release delivery system Liquid ophthalmic sustained release delivery system

1994-02-18

1995-06-06

Nutter, Nathan M.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

424428, 424485, 424488, 514777, 514912, 514913, 514914, 514915, 514950, 514954, 514955, 514964, A61K 4700

Patent

active

054221161

ABSTRACT:
Disclosed is a sustained release liquid aqueous ophthalmic delivery system and a method of providing a slow and sustained release of ophthalmic treating agents to the eye of a mammal which comprises administering to the eye of a said mammal an effective amount of a homogeneous liquid aqueous ophthalmic pharmaceutical composition, of pH between about 3.0 and about 6.2, which is adminstrable in drop form and which comprises an ophthalmically effective concentration of a said ophthalmic treating agent and about 0.05% to about 10% by weight of the polymer chitosan; said polymer consisting essentially of

REFERENCES:
patent: 5318780 (1994-06-01), Viegas et al.

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