Do cystic fibrosis patients have hidden COVID protection?
NCT ID NCT05745948
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study followed 75 people with cystic fibrosis (CF) for two years to see how many developed COVID-19 antibodies from infection or vaccination. Researchers wanted to know if CF patients are naturally protected or just avoiding the virus. The study collected blood samples and health data to compare antibody levels and outcomes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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75 people
The number who actually took part.
- Started
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Jan 2023
- Finished
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Dec 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Consenting people with cystic fibrosis of any age, genotype, transplant status, and disease severity will be eligible to participate in the study. The study population is expected to be representative of the general CF population.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Inclusion Criteria: * Consenting people with cystic fibrosis of any age, genotype, transplant status and disease severity Exclusion Criteria: * Refusal to give informed consent * Contraindication to venepuncture
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Hospital Universitari Vall d'Hebron. Cystic Fibrosis Unit
Barcelona, Barcelona, 08035, Spain
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can Device-Preserved donor lungs boost transplant success?
- Can a simple questionnaire reveal why some cystic fibrosis patients skip physiotherapy?
- Home antibody tests put to the test: can you read your own COVID-19 result?
- Cystic fibrosis diabetes: do gut hormones and genes hold the key?
- Can lung ultrasound reveal COVID-19's signature in the lungs?
- Can a special lung scan catch cystic fibrosis damage earlier than standard tests?