In-situ gel ophthalmic drug delivery system of estradiol or other estrogen for prevention of cataracts

摘要

An in-situ gel ophthalmic drug delivery system for estrogen containing an estrogen, a solubilizing and complexing agent, a humectant, a sorbic acid or sorbic acid based stabilizer, an optional chelating agent and gellan gum in the amount of about 0.1-0.5% w/v, optionally 0.1-0.3% w/v, of the composition.