| NCT ID | Title | Condition | Status |
|---|---|---|---|
| Phase 1 | |||
| NCT05703685 | [18F]PF-06445974 to Image PDE4B in Major Depressive Disorder Using PET | Depression | Recruiting |
| NCT06795581 | PET Imaging of Phosphodiesterase-4B (PDE4B) in Alcohol Use Disorder | Alcohol Use Disorder | Recruiting |
| NCT07027839 | Acute Effects of Alcohol on PET Imaging of Phosphodiesterase-4B (PDE4B) | Alcohol Use Disorder | Recruiting |