Preservative-free ophthalmic in-situ gelling agent and preparation method thereof
A technology of gelling agent and preservative, applied in the field of pharmaceutical preparations, can solve the problems of difficulty in putting in and taking out, reducing patient compliance, poor patient compliance, etc., achieve good bioadhesion, increase absorption and bioavailability degree, prolong the effect of staying in the eye
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0040] In a 100-level environment, dissolve 3.00 g of chitosan with deionized water and 2.10 g of acetic acid to obtain a chitosan solution, add 0.30 g of carbomer 407 to the chitosan solution, and heat until dissolved to obtain a mixed solution; Add 0.50g sodium hyaluronate, 0.02g sorbitol, 3.80g glycerol and 0.01g vitamin E to the solution, mix well; add 0.50g sodium bicarbonate to adjust the pH value, add 0.80g glucose to adjust the osmotic pressure, and add The ophthalmic in-situ gelling agent of the present invention is obtained by adding deionized water to 1000 mL, sterilizing with a microporous membrane, and then sub-packing in small doses.
Embodiment 2
[0042] In a 100-grade environment, dissolve 6.00 g of chitosan with deionized water and 3.15 g of acetic acid to obtain a chitosan solution, add 0.90 g of carbomer 407 to the chitosan solution, and heat until dissolved to obtain a mixed solution; Add 0.80g sodium hyaluronate, 0.03g mannitol, 6.32g glycerol and 0.01g vitamin E to the solution, mix well; add 0.75g sodium bicarbonate to adjust the pH value, add 1.00g glucose to adjust the osmotic pressure, and add The ophthalmic in-situ gelling agent of the present invention is obtained by adding deionized water to 1000 mL, sterilizing with a microporous membrane, and then sub-packing in small doses.
Embodiment 3
[0044] In a 100-level environment, dissolve 10.00 g of chitosan with deionized water and 2.68 g of acetic acid to obtain a chitosan solution, add 1.20 g of carbomer 940 to the chitosan solution, and heat until dissolved to obtain a mixed solution; Add 1.00g sodium hyaluronate, 0.03g sorbitol, 6.32g glycerol and 0.02g vitamin E to the solution, mix well; add 0.50g sodium bicarbonate to adjust the pH value, add 0.90g glucose to adjust the osmotic pressure, and add The ophthalmic in-situ gelling agent of the present invention is obtained by adding deionized water to 1000 mL, sterilizing with a microporous membrane, and then sub-packing in small doses.
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com