Carrier composition for eye drops and pharmaceutical composition including the same

Abstract

The present disclosure provides a carrier composition for eye drops in which a substance to be delivered is loaded in a carrier, wherein the substance to be delivered includes one or more selected from the group consisting of an anti-inflammatory agent, a glaucoma treatment agent, a calcium channel blocker (CCB), an NMDA-receptor blocker, an antioxidant, a nitric oxide synthase inhibitor, a heat shock protein (HSP), a cystinosis treatment agent, and an antibiotic, the carrier has a spherical shape, the carrier includes a multilayer shell in a region ranging from the center to the surface of the carrier, the multilayer shell includes a core located in the center of the carrier and including a carboxymethyl cellulose (CMC)-based hydrogel having a degree of substitution (D.S.) of 0.9, a first shell located on the surface of the core and including a CMC-based hydrogel having a degree of substitution of 0.8, a second shell located on the surface of the first shell and including a CMC-based hydrogel having a degree of substitution of 0.6, and a third shell including a CMC-based hydrogel having a degree of substitution of 0.65, and the multilayer shell includes the core having a radius equal to 25% of the radial length of the carrier, the first shell having a thickness equal to 20% of the radial length, the second shell having a thickness equal to 40% of the radial length, and the third shell having a thickness equal to 15% of the radial length, and a pharmaceutical composition including the same.