French registry sheds light on mysterious overgrowth disorders

NCT ID NCT05563831

First seen Mar 02, 2026 · Last updated May 13, 2026 · Updated 15 times

Summary

This study created the first French national registry for rare overgrowth syndromes, such as CLOVES and Klippel-Trenaunay syndrome. Researchers collected medical and genetic information from 28 children and adults to better understand these conditions and estimate how many people are affected. The goal was to gather knowledge, not to test a treatment.

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Contacts and locations

Locations

  • Translational medicine and Targeted therapies unit, Hôpital Necker Enfants Malades

    Paris, 75015, France

Conditions

Explore the condition pages connected to this study.