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Do cystic fibrosis patients have hidden COVID protection?

NCT ID NCT05614336

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

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

Summary

This study looked at whether people with cystic fibrosis (CF) have COVID-19 antibodies in their blood over two years. Researchers wanted to see if CF patients get infected less often or have milder symptoms. About 331 children and adults with CF from Europe gave blood samples and shared health information. The goal was to learn more about how COVID-19 affects people with CF, not to test a new treatment.

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Conditions

The condition(s) this trial relates to.

COVID-19 cystic fibrosis

As listed by the trial registrant

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

COVID-19 CYSTIC FIBROSIS

Contacts and locations

Locations

  • C.R.C.M. Pédiatrique (Centre de Ressources et de Compétences en Mucoviscidose) Hôpital des Enfants-Pellegrin - CHU de Bordeaux

    Bordeaux, 33076, France

  • CHU Timone-Enfants - APHM

    Marseille, France

  • CHU de Nice

    Nice, 06002, France

  • CRCM Pédiatrique Hôpital Sud - CHU de Rennes

    Rennes, 35203, France

  • Centre de Ressources et de Competences de la Mucoviscidose (Enfants) CHU Grenoble Alpes - Hôpital Couple Enfant

    Grenoble, 38043, France

  • Fondation Ildys

    Roscoff, 29684, France

  • Hôpital Albert Calmette - CHU de Lille

    Lille, France

  • Hôpital Cochin, AP-HP

    Paris, France

  • Hôpital Jeanne de Flandre

    Lille, France

  • Hôpital Necker Enfants Malades - APHP

    Paris, France

  • Hôpital Robert Debré - APHP

    Paris, France

  • Hôpitaux Pédiatriques de Nice CHU Lenval

    Nice, 06200, France

  • Maladies respiratoires, allergologie - CRCM Mixte de Rouen Hôpital Charles Nicole - CHU de Rouen

    Rouen, 76000, France

  • Pneumologie, allergologie et Mucoviscidose - CRCM Lyon pédiatrie Hôpital Femme Mère Enfant /Groupement Est

    Bron, 69677, France

  • Service Pneumologie-Allergologie CRCM adulte Hôpital Larrey - CHU de Toulouse

    Toulouse, 31059, France

  • Service de pneumo-allergologie pédiatrique CRCM pédiatrique CHU de Toulouse - Hôpital des Enfants

    Toulouse, 31059, France

  • Service de pneumologie - Centre cardio-pneumologie Hôpital Pontchaillou - CHU de Rennes

    Rennes, 35033, France

  • Service de pédiatrie générale et spécialisée American Memorial Hospital - CHU de Reims

    Reims, 51092, France

  • Service des maladies respiratoires Hôpital Arnaud de Villeneuve - CHU de Montpellier

    Montpellier, 34295, France

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