Table II.
Composition of the Coated Ocular Inserts Containing Brimonidine
| Formula code | Composition of the insert (%) | Composition of the coating polymeric solution (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Drug | PVP K-90 | LM sodium alginate | MM sodium alginate | Propylene glycol | Ethyl cellulose | Eudragit RL PO | Propylene glycol | Coating layer | |
| F2a | 1 | 7 | 1.5 | 5 | 10 | 10 | One-side-coated insert | ||
| F2b | 1 | 7 | 1.5 | 5 | 10 | 10 | Dual-side-coated insert | ||
| F2c | 1 | 7 | 1.5 | 5 | 10 | 10 | One-side-coated insert | ||
| F2d | 1 | 7 | 1.5 | 5 | 10 | 10 | Dual-side-coated insert | ||
| F3a | 1 | 7 | 1.5 | 5 | 10 | 10 | One-side-coated insert | ||
| F3b | 1 | 7 | 1.5 | 5 | 10 | 10 | Dual-side-coated insert | ||
| F3c | 1 | 7 | 1.5 | 5 | 10 | 10 | One-side-coated insert | ||
| F3d | 1 | 7 | 1.5 | 5 | 10 | 10 | Dual-side-coated insert | ||