OPHTHALMIC COMPOSITION FOR ZWITTERIONIC SOFT CONTACT LENSES Russian patent published in 2018 - IPC A61K9/08 A61K31/436 A61K47/18 A61P27/02 

Abstract RU 2669570 C2

FIELD: medicine.

SUBSTANCE: group of inventions relates to the field of medicine, namely, ophthalmology, and is intended to suppress the adsorption of pranoprofen and/or its pharmaceutically acceptable salt on soft contact lenses containing zwitterionic material. Ophthalmic composition for soft contact lenses containing zwitterionic material includes pranoprofen and/or a pharmaceutically acceptable salt thereof and trometamol. pH of said composition is 5.5 or higher. Also, methods are provided for suppressing the adsorption of pranoprofen and/or a pharmaceutically acceptable salt thereof on soft contact lenses containing zwitterionic material and the use of said composition.

EFFECT: use of the group of inventions makes it possible to obtain a transparent appearance of the composition by adjusting the pH to 5.5 or more and effectively suppress the adsorption of pranoprofen and/or its salt on soft contact lenses containing the zwitterionic material.

8 cl, 3 tbl, 3 ex

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RU 2 669 570 C2

Authors

Nakamura Ritsuko

Dates

2018-10-12Published

2014-05-27Filed