Drugs / Fentanyl
Fentanyl
Drug Approved in the United StatesSynthetic opioid analgesic·First approved·1968
- Registered trials
- 454
- Ongoing
- 38/ 8%
- Completed
- 280
- Indications
- 5
Approved indications
| Indication |
|---|
| Severe pain management in opioid-tolerant patients |
| "Analgesia before |
| during |
| and after surgery" |
| Anesthesia support (general or regional anesthesia) |
Clinical trial landscape
454 registered studies reference this molecule or one of its brands. The split below shows how many are ongoing versus completed per phase.
| Phase | Total | Ongoing | Completed | Split |
|---|---|---|---|---|
| Phase 4 | 157 | 16 | 91 | |
| Not applicable | 142 | 9 | 76 | |
| Phase 3 | 45 | 3 | 32 | |
| Phase 2 | 36 | 2 | 28 | |
| Unknown | 24 | 3 | 19 | |
| Phase 2/3 | 19 | 3 | 11 | |
| Phase 1 | 17 | 0 | 13 | |
| Phase 1/2 | 9 | 0 | 8 | |
| Early Phase 1 | 5 | 2 | 2 | |
| All phases | 454 | 38 | 280 |
Ongoing Completed Balance withdrawn, terminated, or status unreported.
Study records: ClinicalTrials.gov →
Mechanism of action
Mu-selective opioid receptor agonist that produces analgesia via opioid receptor activation.
Recent developments
Headlines link to the original publisher. Sources limited to a reviewed list of journals, regulators, and medical press.