Can pridopidine slow ALS? major trial underway

NCT ID NCT07322003

First seen Jun 24, 2026 · Last updated Jul 01, 2026 · Updated 2 times

Summary

This phase 3 trial is testing whether the drug pridopidine can slow the progression of amyotrophic lateral sclerosis (ALS) in 500 adults. Participants will take either pridopidine or a placebo daily for 48 weeks, followed by an open-label extension where everyone receives the drug. The study measures changes in physical function and survival.

What this could mean

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

Active substance

pridopidine

What this could lead to

If it works, this could point toward a treatment that slows the progression of ALS, helping people maintain function longer.

What could go wrong

This is a late-stage trial, but ALS is a tough disease and many promising drugs have failed before. The drug may not slow progression or could have side effects.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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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.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • ALS Clinic Bonn University

    RECRUITING

    Bonn, 53127, Germany

    Contact Email: •••••@•••••

  • Baylor College of Medicine; McNair Medical Campus

    RECRUITING

    Houston, Texas, 77030, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • California Pacific Medical Center

    RECRUITING

    San Francisco, California, 94109, United States

    Contact Email: •••••@•••••

  • Centro Clinico NEMO Fondazione Serena Onlus - ASST Niguarda Hospital

    RECRUITING

    Milan, 20126, Italy

  • Centrum Medyczne Neuromed

    RECRUITING

    Bydgoszcz, 85-163, Poland

    Contact Phone: •••-•••-••••

  • City Clinic Research Sp. z o.o.

    RECRUITING

    Warsaw, 02-473, Poland

    Contact Email: •••••@•••••

  • Clinical Hospital Santiago de Compostela

    RECRUITING

    Santiago de Compostela, 15706, Spain

  • Eleanor and Lou Gehrig ALS Center at Columbia University

    RECRUITING

    New York, New York, 10032, United States

    Contact Email: •••••@•••••

  • Emory University

    RECRUITING

    Atlanta, Georgia, 30322, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Genge Partners

    RECRUITING

    Montreal, Quebec, H4P 2N2, Canada

    Contact Email: •••••@•••••

  • Hadassah Medical Center

    RECRUITING

    Jerusalem, IL 91120, Israel

  • Hospital Universitari i Politècnic La Fe

    RECRUITING

    Valencia, 46026, Spain

    Contact Email: •••••@•••••

  • Istituto Auxologico Italiano Ospedale San Luca

    RECRUITING

    Milan, Italy

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Linden sp. z o. o. sp. k.

    RECRUITING

    Krakow, 30-105, Poland

    Contact Email: •••••@•••••

  • Neuroscience Department at LKSM at Temple University

    RECRUITING

    Philadelphia, Pennsylvania, 19140, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Northwestern University

    RECRUITING

    Chicago, Illinois, 60611, United States

    Contact Email: •••••@•••••

  • Royal Stoke University Hospital

    RECRUITING

    Stoke-on-Trent, ST4 6QG, United Kingdom

  • Sean M. Healey & AMG Center for ALS

    RECRUITING

    Boston, Massachusetts, 02114, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Somnos Clinical Research

    RECRUITING

    Lincoln, Nebraska, 68506, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Email: •••••@•••••

  • Studieenheten Akademiskt specialistcentrum

    RECRUITING

    Stockholm, 113 61, Sweden

    Contact Email: •••••@•••••

  • Swedish Medical Center

    RECRUITING

    Seattle, Washington, 98122, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Tel Aviv Sourasky Medical Center

    RECRUITING

    Tel Aviv, 6423906, Israel

  • Texas Neurology

    RECRUITING

    Dallas, Texas, 75206, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • UMC Utrecht

    RECRUITING

    Utrecht, Netherlands

  • UZ Leuven

    RECRUITING

    Leuven, 3000, Belgium

    Contact Phone: •••-•••-••••

    Contact Phone: •••-•••-••••

  • Umeå University Hospital

    RECRUITING

    Umeå, 901 85, Sweden

  • University of Kansas

    RECRUITING

    Fairway, Kansas, 66205, United States

    Contact Email: •••••@•••••

  • University of South Florida

    RECRUITING

    Tampa, Florida, 33612, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • University of Washington

    RECRUITING

    Seattle, Washington, 98195, United States

  • Washington University

    RECRUITING

    St Louis, Missouri, 63110, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••