New drug hopes to restore arm movement after spinal injury

NCT ID NCT04683848

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

Summary

This study tested a drug called MT-3921 (Unasnemab) in 72 people with recent severe neck spinal cord injuries. The goal was to see if it could improve arm and hand function better than a placebo. Participants received the drug or placebo by IV over 6 months, and their motor scores were measured.

What this could mean

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

Active substance

MT-3921 (Unasnemab)

What this could lead to

If it works, this could point toward a treatment that improves arm and hand function after a severe neck spinal cord injury.

What could go wrong

This is a small, early-phase trial with only 72 people. The drug may not work better than placebo, and side effects are still being studied.

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.

spinal cord injury

As listed by the trial registrant

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

Contacts and locations

Locations

  • Augusta University

    Augusta, Georgia, 30912, United States

  • Brooke Army Medical Center in San Antonio

    Houston, Texas, 78234, United States

  • Carilion Clinic

    Roanoke, Virginia, 24014, United States

  • Carolinas Rehabilitation

    Charlotte, North Carolina, 28203, United States

  • Gifu University Hospital

    Gifu, Gifu, 501-1194, Japan

  • Hokkaido Spinal Cord Injury Center

    Bibai-shi, Hokkaido, 072-0015, Japan

  • Japan Organization of Occupational Health and Safety SPINAL INJURIES CENTER

    Izuka-shi, Fukuoka, 820-8508, Japan

  • Japanese Red Cross Kobe Hospital

    Kobe, Hyōgo, 651-0073, Japan

  • Medical College of Wisconsin - Froedtert Hospital

    Milwaukee, Wisconsin, 53226, United States

  • Murayama Medical Center

    Musashimurayama-shi, Tokyo, 208-0011, Japan

  • NSHA-Queen Elizabeth II Health Sciences Centre

    Halifax, Nova Scotia, B3H3A7, Canada

  • National Hospital Organization Kumamoto Medical Center

    Kumamoto, Kumamoto, 860-0008, Japan

  • Oregon Health and Science University - Center for Health & Healing

    Portland, Oregon, 97239, United States

  • Saint Louis University Hospital

    St Louis, Missouri, 63110, United States

  • Spectrum Health

    Grand Rapids, Michigan, 49503, United States

  • Tallahassee Neurological Clinic

    Tallahassee, Florida, 32308, United States

  • The Ottawa Hospital

    Ottawa, Ontario, K1Y4E9, Canada

  • The University of Texas Health Science Center at San Antonio

    San Antonio, Texas, 78229, United States

  • University of California Irvine

    Orange, California, 92868, United States

  • University of Cincinnati

    Cincinnati, Ohio, 45219, United States

  • University of Kentucky

    Lexington, Kentucky, 40536, United States

  • University of Mississippi Medical Center

    Jackson, Mississippi, 39216, United States

  • University of Nebraska Medical Center

    Omaha, Nebraska, 68198, United States