Probability of drugs entering the market for different therapeutic areas
| Area | Drugs n | Market entry probability | Cumulative | ||
| Phase II | Phase III | Approved | |||
| HIV/AIDS | 108 | 75 | 50 | 36 | 14 |
| Dermatology | 122 | 8 | 44 | 29 | 11 |
| Haematology | 163 | 60 | 4 | 22 | 9 |
| Neurology | 192 | 73 | 47 | 22 | 8 |
| Cancer | 68 | 78 | 46 | 20 | 7 |
| Cardiovascular | 280 | 69 | 4 | 22 | 6 |
| Respiratory | 165 | 68 | 31 | 16 | 3 |
Data are presented as %, unless otherwise stated. Adapted from [7].