Pharmaceutical Compositions and Methods for Treating, Controlling, Ameliorating, or Reversing Conditions of the Eye
A pharmaceutical composition comprises a polyethylene glycol having a molecular weight in the range from about 1,000 to about 10,000, and a water-soluble cellulose derivative having a molecular weight in the range from about 50,000 to 120,000. The composition can further comprise boric acid and/or phosphate, a non-ionic surfactant, and/or an ophthalmic therapeutic agent. The composition is effective in treating, controlling, ameliorating, or reversing one or more conditions or symptoms of dry eye.
1 . An ophthalmic composition comprising: (a) a polyethylene glycol having a molecular weigh in the range from about 1,000 to about 10,000 Da at a concentration from about 5 to about 15 percent by weight of the total composition; and (b) a non-ionic water-soluble cellulose derivative having a molecular weight in the range from about 50,000 to about 120,000 Da at a concentration from about 0.1 to about 5 percent by weight of the total composition.
2 . The pharmaceutical formulation of claim 1 , wherein the polyethylene glycol has a molecular weigh in the range from about 2,000 to about 8,000 Da, and the non-ionic water-soluble cellulose derivative has a molecular weight in the range from about 60,000 to about 100,000 Da.
3 . The pharmaceutical formulation of claim 2 , wherein the polyethylene glycol is selected from the group consisting of PEG-2000, PEG-3350, PEG-4000, PEG-6000, PEG-8000, and mixtures thereof; and the cellulose derivative is selected from the group consisting of hydroxypropylmethyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose, methyl cellulose, and mixtures thereof.
4 . The pharmaceutical formulation of claim 3 ; wherein the concentration of the polyethylene glycol is in the range from about 7 to 12 percent by weight of the total composition, and the concentration of the cellulose derivative is in the range from about 0.3 to 2 percent by weight of the total composition.
5 . The pharmaceutical formulation of claim 4 ; wherein the polyethylene glycol is PEG-3350 or PEG-4000, and the cellulose derivative is hydroxypropylmethyl cellulose.
6 . The pharmaceutical formulation of claim 4 , further comprising an ophthalmically acceptable therapeutic agent.
7 . The pharmaceutical formulation of claim 6 ; wherein the ophthalmically acceptable therapeutic agent is a compound having Formula II, V, or VI.
8 . An ophthalmic composition consisting essentially of: a polyethylene glycol having molecular weight in the range of 2,000 to 10,000; a non-ionic, water-soluble cellulose derivative selected from hydroxypropylmethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, and methyl cellulose; a non-ionic surfactant selected from polysorbate 20, 60, and 80; boric acid; a polyol selected from the group consisting of glycerin, propylene glycol, and mixtures thereof; at least a phosphate salt; an anti-oxidant; a chelating agent; a preservative; and water; wherein the composition has an osmolality in the range of 260-350 mOsm/kg, a pH in the range of 6.5-8, and a viscosity in the range of 2-500 centipoises.
9 . The ophthalmic composition of claim 8 ; wherein the polyethylene glycol is present at a concentration of 5-15 percent by weight of the total composition; the non-ionic, water-soluble cellulose derivative is present at a concentration of 0.1-2 percent by weight of the total composition; and the non-ionic surfactant is present at a concentration of 0.2-2 percent by weight of the total composition; and the polyol is present at a concentration of 0.01-2 percent by weight of the total composition.
10 . A method for treating, controlling, ameliorating, or reversing a condition of dry eye, the method comprising administering into an affected eye a composition that comprises: (a) a polyethylene glycol having a molecular weigh in the range from about 1,000 to about 10,000 Da at a concentration from about 5 to about 15 percent by weight of the total composition; and (b) a non-ionic water-soluble cellulose derivative having a molecular weight in the range from about 50,000 to about 120,000 Da at a concentration from about 0.1 to about 5 percent by weight of the total composition, in an amount and at a frequency effective to treat, control, ameliorate, or reverse said condition.
11 . The method of claim 10 ; wherein said condition is selected from the group consisting of discomfort in the eye, feeling of dryness, grittiness, stinging, irritation in the eye, and deficiency in production of a material of the tear film.
12 . The method of claim 10 ; wherein the polyethylene glycol has a molecular weigh in the range from about 2,000 to about 8,000 Da, and the non-ionic water-soluble cellulose derivative has a molecular weight in the range from about 60,000 to about 100,000 Da.
13 . The method of claim 12 ; wherein the polyethylene glycol is selected from the group consisting of PEG-2000, PEG-3350, PEG-4000, PEG-6000, PEG-800, and mixtures thereof; and the cellulose derivative is selected from the group consisting of hydroxypropylmethyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose, methyl cellulose, and mixtures thereof.
14 . The method of claim 13 ; wherein the concentration of the polyethylene glycol is in the range from about 7 to 12 percent by weight of the total composition, and the concentration of the cellulose derivative is in the range from about 0.3 to 2 percent by weight of the total composition.
15 . The method of claim 14 ; wherein the polyethylene glycol is PEG-3350 or PEG-4000, and the cellulose derivative is hydroxypropylmethyl cellulose.
16 . The method of claim 14 ; wherein the composition further comprises an ophthalmically acceptable therapeutic agent.
17 . The method of claim 16 ; wherein the ophthalmically acceptable therapeutic agent is a compound having Formula II, V, or VI.
18 . A method for treating, controlling, ameliorating, or reversing a condition of dry eye, the method comprising administering into an affected eye a composition that consists essentially of: a polyethylene glycol having molecular weight in the range of 2,000 to 10,000; a non-ionic, water-soluble cellulose derivative selected from hydroxypropylmethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, and methyl cellulose; a non-ionic surfactant selected from polysorbate 20, 60, and 80; boric acid; a polyol selected from the group consisting of glycerin, propylene glycol, and mixtures thereof; at least a phosphate salt; an anti-oxidant; a chelating agent; a preservative; and water; wherein the composition has an osmolality in the range of 260-350 mOsm/kg, a pH in the range of 6.5-8, and a viscosity in the range of 2-500 centipoises, in an amount and at a frequency effective to treat, control, ameliorate, or reverse said condition.
19 . The method of claim 18 ; wherein the polyethylene glycol is present at a concentration of 5-15 percent by weight of the total composition; the non-ionic, water-soluble cellulose derivative is present at a concentration of 0.1-2 percent by weight of the total composition; and the non-ionic surfactant is present at a concentration of 0.2-2 percent by weight of the total composition; and the polyol is present at a concentration of 0.01-2 percent by weight of the total composition.
20 . The method of claim 19 ; wherein said condition is selected from the group consisting of discomfort in the eye, feeling of dryness, grittiness, stinging, irritation in the eye, and deficiency in production of a material of the tear film.
21 . A method for (1) treating, controlling, ameliorating, or reversing a condition of dry eye; (2) promoting corneal re-epithelization after being wounded; (3) providing protection to an ocular surface against desiccation-induced cell death; (4) supporting the integrity of a corneal surface exposed to hyperosmolar insults; (5) promoting production of mucin from an eye leading to improved lubrication of the corneal surface; and (6) promoting activation of cell signaling pathways involving EGFR, ERK, and Akt in a healing process of ocular wounds, the method comprising administering into an affected eye a composition that comprises: (a) a polyethylene glycol having a molecular weigh in the range from about 1,000 to about 10,000 Da at a concentration from about 5 to about percent by weight of the total composition; and (b) a non-ionic water-soluble cellulose derivative having a molecular weight in the range from about 50,000 to about 120,000 Da at a concentration from about 0.1 to about 5 percent by weight of the total composition, in an amount and at a frequency effective for said treating, controlling, ameliorating, reversing, promoting, or supporting.
22 . The method of claim 21 ; wherein the polyethylene glycol has a molecular weigh in the range from about 2,000 to about 8,000 Da, and the non-ionic water-soluble cellulose derivative has a molecular weight in the range from about 60,000 to about 100,000 Da; and wherein the composition further comprises a non-ionic surfactant and a polyol.
23 . The method of claim 22 ; wherein the polyethylene glycol is present at a concentration of 5-15 percent by weight of the total composition; the non-ionic, water-soluble cellulose derivative is present at a concentration of 0.1-2 percent by weight of the total composition; the non-ionic surfactant is present at a concentration of 0.2-2 percent by weight of the total composition; and the polyol is present at a concentration of 0.01-2 percent by weight of the total composition.