| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | Nerve Growth Factor | 100 | + | |
| 2 | Brain-Derived Neurotrophic Factor | 28 | + | |
| 3 | Ciliary Neurotrophic Factor | 27 | + | |
| 4 | Neurotrophin 3 | 25 | + | |
| 5 | Pituitary Adenylate Cyclase-Activating Polypeptide | 15 | + | |
| 6 | Glial Cell Line-Derived Neurotrophic Factors | 10 | + |