Tylenol tested as a secret weapon against MS walking fatigue
NCT ID NCT07440446
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether acetaminophen (Tylenol) can reduce walking fatigue in people with multiple sclerosis. Twenty participants will take either the drug or a placebo, then walk on a treadmill until they get tired. A week later, they repeat the test with the opposite pill. The goal is to see if lowering body temperature helps them walk longer.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- acetaminophen
- What this could lead to
- If it works, this could point toward a simple, low-cost way to help people with MS walk longer before getting tired.
- What could go wrong
- This is a very small, early study with only 20 people. The effect may be small or not real, and results may not apply to everyone with MS.
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.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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.
Who is studied
ambulatory persons with MS
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * A definitive MS diagnosis confirmed by self-report, * The ability to walk for 2 minutes continuously with or without assistive device ---Age 18-65 * Provide a blood test within the last 6 months to 1 year reflecting normal liver and renal profile (normal liver enzymes and normal creatinine level). Exclusion Criteria: * Any current or recent exacerbations * Any adverse reaction to antipyretics * Recent use of steroids * Any non-MS conditions that interfere with walking performance.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Hunter College Physical Therapy department
New York, New York, 10065, United States
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