| DB00673 | Aprepitant | approved, investigational | yes | antagonist | Details |
| DB01221 | Ketamine | approved, vet_approved | unknown | antagonist | Details |
| DB04894 | Vapreotide | experimental, investigational | unknown | antagonist | Details |
| DB05072 | AV608 | investigational | unknown | | Details |
| DB05418 | GW 597599 | investigational | unknown | | Details |
| DB05421 | CP-122721 | investigational | unknown | | Details |
| DB05466 | R673 | investigational | unknown | | Details |
| DB05790 | SR 140333 | investigational | unknown | | Details |
| DB09048 | Netupitant | approved, investigational | yes | antagonist | Details |
| DB09291 | Rolapitant | approved, investigational | yes | antagonist | Details |
| DB06634 | Casopitant | investigational | unknown | | Details |
| DB11949 | Vestipitant | investigational | unknown | | Details |
| DB12436 | Vofopitant | investigational | unknown | | Details |
| DB14019 | Fosnetupitant | approved | yes | antagonist | Details |
| DB00193 | Tramadol | approved, investigational | no | inhibitor | Details |