Scientists dive deep into lungs of severe flu patients
NCT ID NCT01089400
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 30 people in the ICU with severe H1N1 flu who needed a breathing machine. Researchers collected fluid from the lungs to study the virus and the body's immune response. The goal was to learn more about what causes severe illness, not to test a new treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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30 people
The number who actually took part.
- Start date
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Oct 2009
- Finished
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Apr 2011
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients with severe influenza A/H1N1v infection with pulmonary involvement in intensive care unit
- Ages
-
13 years and older
- 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: * Suspected influenza A/H1N1 infection * Diffuse bilateral pneumonia \<96h with acute lung injury or respiratory distress syndrome * Invasive or non-invasive ventilation in intensive care unit * Age \> 13 Exclusion Criteria: * Other cause identified of acute lung injury or acute respiratory distress syndrome * Contraindicated bronchoalveolar lavage
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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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Pitie-Salpetrière Hospital
Paris, France
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Tenon Hospital
Paris, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can donated immune cells calm the cytokine storm?
- Steroid dose showdown: can more dexamethasone save lives in respiratory failure?
- Breathing machine settings put to the test in severe lung injury
- The hidden breath: how a mismatch between patient and machine may shape ARDS recovery
- Scientists hunt for hidden subgroups in sudden respiratory failure
- When the immune system Can't fight back: tracking three respiratory viruses