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Treatment Group Properties
| Group | Sensitization | Allergen challenge | Treatment | Early phase n | Late phase n |
|---|---|---|---|---|---|
| 1 | – | – | No treatment (NS/NC) | 8 | 8 |
| 2 | + | + | No treatment (S/C) | 8 | 8 |
| 3 | + | + | Alcaftadine vehicle | 8 | 8 |
| 4 | + | + | Olopatadine 0.1% | 8 | 8 |
| 5 | + | + | alcaftadine 0.25% | 8 | 8 |
Abbreviations: NS/NC, no sensitization, no challenge (naïve animals); S/C, sensitized, challenged.
