Avonex is named as an intervention in 2 current clinical trials in our Ireland, UK, USA, Germany, Spain, Switzerland, Australia and Sweden registers. 1 is recruiting patients now. All registered phases are Observational. The sponsor with the most trials is Biogen (1). The most-studied condition is Multiple Sclerosis.
| Study | Phase | Status | Lead sponsor | Registers |
|---|---|---|---|---|
|
Pregnancy Exposure Registry for Vumerity (Diroximel Fumarate)
NCT05658497 · ClinicalTrials.gov ↗ · Multiple Sclerosis
|
Observational | Recruiting | Biogen | Ireland, UK, USA, Germany, Spain, Switzerland, Australia |
|
An Observational Study to Learn About the Interferon-beta Exposure of Pregnant Women During the Second and Third Trimester in Finland and Sweden
NCT06053749 · ClinicalTrials.gov ↗ · Multiple Sclerosis (MS)
|
Observational | Active, closed | Bayer | Sweden |
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 |
|---|---|
| Biogen | 1 |
| Bayer | 1 |
A trial with sites in more than one country appears in each of those registers.
2 current trials in our Ireland, UK, USA, Germany, Spain, Switzerland, Australia and Sweden registers name Avonex as a drug or biological intervention, as of the registry sync on 26 September 2026. Completed and withdrawn studies are not counted.
Yes. 1 of the 2 trials is recruiting: 1 with sites in Ireland, 1 with sites in UK, 1 with sites in USA, 1 with sites in Germany, 1 with sites in Spain, 1 with sites in Switzerland and 1 with sites in Australia. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.
Biogen (1) and Bayer (1). The number in brackets is how many trials each organisation leads.
Yes. 1 trial in our Ireland register (ClinicalTrials.gov). Some may be the same study registered in both. See the Irish clinical trials register for sites and contacts.
Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how Avonex 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 Avonex 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 Avonex (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 26 Sep 2026.