Approval Year for Clinical Use of Radioligands for DAT Imaging
| Radioligand | United States | Elsewhere |
| 123I-β-CIT (DOPASCAN; MAP Medical Technologies Oy) | — | Europe*, Japan* |
| 123I-FP-CIT (DaTSCAN) | 2011 | 2000 in Europe, 2011 in Korea |
| 18F-FP-CIT | — | 2008 in Korea |
| 99mTc-TRODAT-1 | — | 2005 in Taiwan |
↵* Before 123I-FP-CIT, but exact date unknown.