Iron pills may weaken immunity in rare bleeding disorder, study warns

NCT ID NCT07111598

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

First seen Nov 01, 2025 · Last updated May 25, 2026 · Updated 31 times

Summary

This study looks at how iron deficiency and iron supplements impact the immune system in people with Hereditary Haemorrhagic Telangiectasia (HHT), a rare genetic condition that causes frequent nosebleeds and anemia. Researchers will measure immune cells in 155 adults with HHT to see if iron treatments are linked to lower T-cell counts. The goal is to understand whether iron deficiency or the supplements themselves are responsible for immune changes, which could help improve care for these patients.

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Contacts and locations

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Study contacts

Contact

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

Locations

Hôpital Femme-Mère-Enfant
RECRUITING

Bron, Rhone, 69500, France

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

Conditions

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HEREDITARY HAEMORRHAGIC TELANGIECTASIA