New ALS drug trial aims to slow disease progression
NCT ID NCT07325591
First seen Jun 27, 2026 · Last updated Sep 11, 2026 · Updated 2 times
Summary
This study tests whether the experimental drug tazbentetol can slow the progression of ALS, a disease that weakens muscles and affects movement. About 430 adults with ALS will receive either the drug or a placebo. The main goal is to see if tazbentetol helps maintain daily functioning, like walking and talking, over time.
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
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 430 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age 18-80 * ALS TRICALS risk score * Stable dose of standard of care treatment * Contraception use by men or women consistent with local regulations * Able and willing to provide written informed consent Exclusion Criteria: * Underlying physical or psychological condition prohibiting study completion * Clinically significant cardiac disease * Active or history of malignancy in the past 5 years * Serious infection within 1 month of screening * Acute illness within 30 days of Day 1 * History of suicidal behavior or suicidal ideation * Active cigarette smokers and users of nicotine-containing products * Neurodegenerative disease * External respiratory support or supplemental oxygen requirement * HIV, hepatitis B and hepatitis C positive * Vaccines within 14 days * Other investigational products within 30 days * Blood donation within 30 days * Plasma donation within 7 days * Pregnant or breastfeeding
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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 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.
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Other studies related to the condition(s) this trial covers.
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