Scientists hunt for hidden immune clues in common lung diseases
NCT ID NCT06144476
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study aims to better understand asthma and COPD by comparing immune markers in blood and airways of patients versus healthy volunteers. Researchers will analyze samples from 230 adults to identify distinct immune patterns linked to disease severity. The goal is to improve diagnosis and treatment of these common lung conditions.
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 reveal distinct immune patterns that help doctors better diagnose and treat asthma and COPD in the future.
- What could go wrong
- This is an observational study, not a treatment trial. It aims to gather knowledge, not test a new therapy, so there is no direct benefit to participants.
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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About 230 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2024
- Expected to finish
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Aug 2029
An estimate. End dates often move.
- 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
The study will include patients diagnosed or with suspected COPD and asthma. The study will include both current and former smokers.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Participant is willing and able to give informed consent for participation in the study * Aged 18 years or above * Patient: known or suspected airway disease * Healthy volunteer: considered to be in good health with no significant comorbidity (immune disorder, cancer etc.) Exclusion Criteria: * Known or suspected current pulmonary tuberculosis, HIV (human immunodeficiency virus), Hepatitis B Virus, Hepatitis C Virus. * Surgery within the preceding 6 weeks * Participants who are pregnant * History of psychiatric, medical, or surgical disorders that in the opinion of the chief investigator may interfere with sample collection, undergo a bronchoscopy, or may compromise study completion or data collection * Alcohol or recreational drug abuse * Diagnosis of immunodeficiency requiring treatment * Unable to provide written informed consent * Unable to read or write English * Be considered, in the opinion of the investigator, to be an unsuitable candidate for the study
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Guy's & St Thomas' NHS Foundation Trust
RECRUITINGLondon, London, SE1 9RT, United Kingdom
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