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Iron pills may weaken immunity in rare bleeding disorder

NCT ID NCT07111598

Recruiting now Knowledge-focused Sponsor: Hospices Civils de Lyon Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how iron supplements, often given for anemia, affect the immune system in people with Hereditary Haemorrhagic Telangiectasia (HHT), a rare genetic disorder that causes frequent nosebleeds and abnormal blood vessels. About 155 adults with HHT will be divided into groups based on whether they take iron by mouth, through a vein, or not at all. Researchers will measure changes in immune cells to understand if iron helps or harms the body's defenses.

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Conditions

The condition(s) this trial relates to.

hereditary hemorrhagic telangiectasia lymphopenia

As listed by the trial registrant

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

HEREDITARY HAEMORRHAGIC TELANGIECTASIA

Contacts and locations

Study contacts

  • Contact

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

Locations

  • Hôpital Femme-Mère-Enfant

    RECRUITING

    Bron, Rhone, 69500, France

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