	US 12,310,981 B2
	Use of chondroitin sulfate for relieving ocular pain
Richard L. Lindstrom, Wayzata, MN (US); Kamran Hosseini, Pleasanton, CA (US); and Lyle Bowman, Pleasanton, CA (US)
Assigned to SURFACE OPHTHALMICS, INC., Pleasanton, CA (US)
Appl. No. 18/555,982
Filed by SURFACE OPHTHALMICS, INC., Pleasanton, CA (US)
PCT Filed May 1, 2022, PCT No. PCT/US2022/027177 § 371(c)(1), (2) Date Oct. 18, 2023, PCT Pub. No. WO2022/240598, PCT Pub. Date Nov. 17, 2022.
Claims priority of provisional application 63/186,747, filed on May 10, 2021.
Prior Publication US 2024/0207305 A1, Jun. 27, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 31/737 (2006.01); A61K 9/00 (2006.01)

CPC A61K 31/737 (2013.01) [A61K 9/0048 (2013.01)]

10 Claims

1. A method of treating ocular pain or discomfort after ocular surgery, the method comprising: topically administering eye drops to an eye of a subject that has undergone ocular surgery, a therapeutically effective amount of a composition consisting essentially of 0.1% to 1.0% wt/wt chondroitin sulfate and a lubricant in a pharmaceutically acceptable carrier.