Fentanyl is named as an intervention in 2 current clinical trials in our USA and China registers. 2 are recruiting patients now. The most common phase is Phase 2. The sponsor with the most trials is Clear Scientific, Inc (1). The most-studied condition is Fentanyl Overdose.
| Study | Phase | Status | Lead sponsor | Registers |
|---|---|---|---|---|
|
The ED95 of Ciprofol for Laryngeal Mask Airway Insertion With Fentanyl in Children: A Biased-Coin Dose-Finding Trial
NCT07697404 · ClinicalTrials.gov ↗ · Pediatric, Anesthesia Induction, Ciprofol
|
Phase 4 | Recruiting | Huazhong University of Science and Technology | China |
|
A Phase 2 Safety, Tolerability, PK, and Efficacy Study of CS-1103 Following Fentanyl Challenge With Naloxone Blockade
NCT07459166 · ClinicalTrials.gov ↗ · Fentanyl Overdose, Fentanyl Poisoning
|
Phase 2 | Recruiting | Clear Scientific, Inc. | USA |
Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.
| Lead sponsor | Trials |
|---|---|
| Clear Scientific, Inc. | 1 |
| Huazhong University of Science and Technology | 1 |
| Register | Trials | Recruiting |
|---|---|---|
| Clinical trials in USA | 1 | 1 |
| Clinical trials in China | 1 | 1 |
A trial with sites in more than one country appears in each of those registers.
2 current trials in our USA and China registers name Fentanyl as a drug or biological intervention, as of the registry sync on 25 September 2026. Completed and withdrawn studies are not counted.
Yes. 2 of the 2 trials are recruiting: 1 with sites in USA and 1 with sites in China. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.
Clear Scientific, Inc (1) and Huazhong University of Science and Technology (1). The number in brackets is how many trials each organisation leads.
Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how Fentanyl works or whether it is effective, and it is not medical advice.
Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how Fentanyl works or whether it is effective. Each trial links to its own record so you can check it yourself.
This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists Fentanyl (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 25 Sep 2026.