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Could a common supplement help tame multiple sclerosis?

NCT ID NCT07595081

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a dietary supplement called propionic acid is safe and helpful for people with multiple sclerosis (MS). Twenty-two adults with stable MS took propionic acid capsules alongside their usual MS medications. Researchers measured nerve damage markers and thinking speed to see if the supplement made a difference.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
propionic acid (a dietary supplement)
What this could lead to
If it works, this could point toward a simple, safe supplement to help control multiple sclerosis and slow nerve damage.
What could go wrong
This was a small, early-stage study with only 22 people. The results may not apply to everyone with MS, and the supplement might not show clear benefits in larger trials.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 2/3

Runs two stages together: whether the treatment works, then large-scale confirmation.

Participants

22 people

The number who actually took part.

Started

Aug 2024

Finished

Dec 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Diagnosis of multiple sclerosis (MS) * Clinically and radiologically stable MS in the previous 3 months * Age between 18 and 70 years * Positive finding for oligoclonal bands (OCBs) * Written consent * Blood collection at the beginning and end of the study for routine parameter examination as well as sample preservation (especially for measuring propionic acid levels) * Negative pregnancy test for female participants of childbearing age Exclusion Criteria: * History of ongoing propionic acid (PA) supplementation exceeding 3 months * Positive JC virus titer during natalizumab treatment * Presence of severe active systemic disease * Presence of acute neurological conditions

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Salzburger Landeskliniken

    Salzburg, State of Salzburg, 5020, Austria

More trials for these conditions

Other studies related to the condition(s) this trial covers.