Table 2.
Frequently studied disease/organ endpoints
| 1991 (n = 16) |
2001 (n = 81) |
2011 (n = 173) |
|||
|---|---|---|---|---|---|
| Disease/endpoint | % of total* | Disease/endpoint | % of total* | Disease/endpoint | % of total* |
| Brain/CNS | 63 | Brain/CNS | 56 | Brain/CNS | 50 |
| Immune system | 10 | Breast | 6 | ||
| Lung | 10 | Cancer | 13 | ||
| Reproduction | 10 | Immune system | 8 | ||
| Lung | 11 | ||||
| Obesity | 7 | ||||
| Reproduction | 24 | ||||
Any endpoints accounting for <5% of the portfolio are not included.