Could an Iron-Removing pill slow ALS? new trial results are in

NCT ID NCT03293069

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

Summary

This completed Phase 2/3 trial tested whether deferiprone, a drug that removes excess iron from the body, can slow the progression of ALS (Lou Gehrig's disease). 372 people with early-stage ALS took either deferiprone or a placebo for 12 months. The study measured changes in physical function and survival. The goal was to see if reducing iron buildup in the brain could protect nerve cells and slow the disease.

What this could mean

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

Active substance

deferiprone (an iron-removing drug)

What this could lead to

If it works, this could slow the progression of ALS and extend survival by removing excess iron from the brain.

What could go wrong

This is a mid-stage trial, so results may not confirm benefit. ALS is complex, and iron chelation might not change the disease course. Side effects from deferiprone are possible.

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

Locations

  • Aphm Hopital La Timone

    Marseille, France

  • C H U Dupuytren Limoges

    Limoges, France

  • Chr Angers

    Angers, France

  • Chru Brest

    Brest, France

  • Chu Cote de Nacre - Caen

    Caen, France

  • Chu Toulouse

    Toulouse, 31300, France

  • Chu de Bordeaux - Talence

    Talence, France

  • Chu de Clermont-Ferrand

    Clermont-Ferrand, France

  • Chu de Nancy

    Nancy, France

  • Chu de Nice Hopital Pasteur

    Nice, France

  • Chu de Tours

    Tours, France

  • Hopital Pierre Wertheimer - Hcl - Bron

    Bron, France

  • Hopital de Hautepierre

    Strasbourg, 67091, France

  • Hu Pitie Salpetriere Aphp

    Paris, 75013, France

  • Hôpital Roger Salengro, CHU

    Lille, 59000, France