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Comparison of different phases from several angles.
| Phase I | Phase II | Phase III | |
|---|---|---|---|
| Spent time | 1-2 years | 1-2 years | 2-3 years |
| Spent Money ($) | 225 M | 225 M | 250 M |
| Result | 5-10 candidates | 2-5 candidates | 1-2 candidates |
| Major objective | safety | safety and dosing | safety and efficacy |
| # of patients | 20-80 | 100-300 | 300-3000 |
| Recruited patient | healthy | with diseases | with diseases |
