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Could a poop pill slow ALS? small trial launches

NCT ID NCT07017946

Disease control Sponsor: Duke University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jul 09, 2026 · Updated 3 times

Summary

This pilot trial tests whether transplanting gut bacteria from healthy donors (MTP-101C) is safe and can help slow ALS. Twenty people with fast-progressing ALS will receive the treatment after a bowel cleanse. Researchers will track changes in muscle function, quality of life, and nerve damage markers over 24 weeks.

What this could mean

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

Active substance
MTP-101C (freeze-dried fecal microbiota from healthy donors)
What this could lead to
If it works, this could point toward a new way to slow ALS progression by restoring gut health.
What could go wrong
This is a very small, early-phase pilot trial with only 20 people. It is designed mainly to test safety, not to prove effectiveness. The treatment involves a bowel prep and antibiotic conditioning, which may cause discomfort or side effects.

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 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jan 2026

Expected to finish

Nov 2026

An estimate. End dates often move.

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 years and older

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 ALS according to Gold Coast Criteria * Age: 18+ years at enrollment * Fast-progressing (ALSFRS-R change of at least 1.5 points per month between last 2 measurements at screening) * Modestly but not severely affected (ALSFRS-R score at or above 24 at screening) * Able to swallow capsules and expected to be able to for the duration of the trial (ALSFRS-R "swallowing" score of 3 or 4 at screening) * Expected to survive for the duration of the trial * Taking any combination of riluzole, edaravone, and/or tofersen at a stable dose for 30 days prior to screening, or not taking any of these and not expected to during the study. * Capable of giving written consent. * If sexually active, must agree to use contraceptive or abstinence for duration of treatment. * Females of child-bearing age must have negative pregnancy test at screening. Exclusion Criteria: * Concurrent illness or laboratory abnormalities that could confound the measurement of ALS progression or the microbiome or interfere with the ability to complete the study. * Taking probiotics, nutraceuticals, or herbal remedies within 2 weeks of screening * Taking antibiotics within 3 months of screening. * Taking any investigational study drug within 30 days of screening or five half-lives of the prior agent. * Previous exposure to MTT. * Pregnancy. * Known specific food allergy with anaphylaxis * Other co-morbid conditions that, in the opinion of the study investigator, place the participant at increased risk of complications, interfere with study participation or compliance, or confound study objectives.

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Conditions

The condition(s) this trial relates to.

amyotrophic lateral sclerosis

As listed by the trial registrant

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

Amyotrophic lateral sclerosis (ALS)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    1 site. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Duke University Medical Center

    RECRUITING

    Durham, North Carolina, 27705, United States

    Contact Email: •••••@•••••

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