New drug siplizumab tested in ALS patients – early trial begins

NCT ID NCT06453668

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

Summary

This early-stage trial tests the safety of siplizumab, a drug that may calm the immune system, in 48 adults newly diagnosed with ALS. Researchers will monitor side effects and how the drug moves through the body. The goal is to see if it is safe enough for larger studies.

What this could mean

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

Active substance

siplizumab (TCD601)

What this could lead to

If safe and effective, siplizumab could slow ALS progression by targeting the immune system, offering a new treatment option.

What could go wrong

This is an early Phase 1 trial with only 48 people, focused on safety. It may not show benefit, and side effects are unknown.

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

  • Skåne University Hospital Malmö

    RECRUITING

    Malmö, 205 02, Sweden

    Contact

  • Studieenheten Akademiskt Specialistcentrum

    RECRUITING

    Stockholm, 171 77, Sweden

    Contact

  • Umeå University Hospital

    RECRUITING

    Umeå, 901 85, Sweden

    Contact