Pandemic lockdowns: a surprising effect on Kids' asthma?
NCT ID NCT04821908
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at how the COVID-19 pandemic and related public health measures changed asthma control in children aged 3 to 16. Researchers compared asthma control and flare-ups in 577 children during the pandemic to data from before the pandemic. The goal was to see if lockdowns, mask-wearing, and reduced infections affected asthma symptoms.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could help doctors understand how public health measures during a pandemic influence childhood asthma, potentially leading to better management strategies.
- What could go wrong
- This is an observational study, not a treatment trial. It cannot prove cause and effect, and results may not apply to other regions or future pandemics.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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577 people
The number who actually took part.
- Started
-
Sep 2021
- Finished
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Mar 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
children and adolescents diagnosed with asthma.
- Ages
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3 to 16 years
- 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: * Children and adolescents aged 3 to 16 years old * With a medical diagnosis of asthma as per-guidelines, who had been followed-up for at least 6 months, * Assessed in one of the pediatric departments participating in the study, * After written consent of at least one of the 2 parents and/or representative of the parental authority, and of the child if he is older than 8 years old. Criteria for the sub-population assessed at "exacerbation" and second visit: * Children and adolescents aged 3 to 16 years * With a medical diagnosis of asthma as per-guidelines, who had been followed-up for at least 6 months, * Hospitalized for a severe asthma exacerbation (requiring hospitalization and general corticosteroid therapy) at Lille University Hospital * After written consent of both parents and/or representative of the parental authority, and of the child if he is over 8 years old Exclusion Criteria: * History of chronic respiratory disease other than asthma, * Inability of parents to receive informed information, inability to participate in the entire study, refusal to sign the consent form
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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
-
CHU Lille
Lille, France
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