Table 2: The age-related differences in effects of D-PA.
| Neonates | Adults | |
| Hexobarbital sleeping-time | shortened | no effect |
| Heme oxygenase-1 | inhibited | no effect |
| Cytochrom- P-450 | increased | no effect |
| Catalase | increased | no effect |
| Peroxidases | increased | no effect |
| LD50 | > 4000 mg/kg (IP) | 500 mg/kg (IV) |
| Radioprotection | significant | ? |