A hydroxyphenylalanine carrying hydroxy substituents at positions 3 and 4 of the benzene ring.
ChEBI ID: 49168
| Member | Definition | Role |
|---|---|---|
| D-dopa | The D-enantiomer of dopa. | D-dopa zwitterion; D-dopa |
| levodopa | An optically active form of dopa having L-configuration. Used to treat the stiffness, tremors, spasms, and poor muscle control of Parkinson's disease | L-dopa zwitterion; L-dopa |
| Timeframe | Studies, Drugs in This Class (%) | All Drugs % |
|---|---|---|
| pre-1990 | 4,472 (26.70) | 18.7374 |
| 1990's | 3,133 (18.71) | 18.2507 |
| 2000's | 3,768 (22.50) | 29.6817 |
| 2010's | 3,952 (23.60) | 24.3611 |
| 2020's | 1,421 (8.49) | 2.80 |
| Publication Type | Studies, Drugs in This Class (%) | All Drugs (%) |
|---|---|---|
| Trials | 1,900 (10.68%) | 5.53% |
| Reviews | 2,229 (12.53%) | 6.00% |
| Case Studies | 1,802 (10.13%) | 4.05% |
| Observational | 85 (0.48%) | 0.25% |
| Other | 11,776 (66.19%) | 84.16% |