COPD Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
If you have COPD:
- You are a man or woman aged between 40 and 75 years old
- You have been diagnosed with COPD or have a medical history of it
- You have smoked at least 20 pack years (roughly 1 pack a day for 20 years, or equivalent), and use of e-cigarettes/vapes is also allowed
- Your breathing test results show moderate COPD (specific lung function measurements fall within a certain range — confirm with trial site)
- Your COPD symptoms noticeably get worse when you catch a cold
- Your COPD has been stable with no flare-ups in the past 8 weeks
- You are allowed to use short- and long-acting inhaler medicines for your breathing
- You may have a history of asthma, hay fever, or seasonal allergies, as long as these have not been active in the past 8 weeks
- You do not have any other significant lung conditions besides COPD, asthma, or allergic rhinitis
- Having a positive allergy skin test is allowed
If you are a non-smoking control (comparison group without COPD):
- You are a man or woman aged between 40 and 75 years old
- You have not been diagnosed with COPD
- You have smoked fewer than 5 pack years total, and have not smoked or used e-cigarettes/vapes in the past year
- Your breathing test results are within the normal range (confirm with trial site)
- You may have a history of asthma, hay fever, or seasonal allergies, as long as these have not been active in the past 8 weeks
- You do not have any other significant lung conditions besides asthma or allergic rhinitis
- Having a positive allergy skin test is allowed
If you are a smoking control (comparison group without COPD but with a smoking history):
- You meet all the same criteria as the non-smoking control group above, except you have smoked at least 20 pack years, and use of e-cigarettes/vapes is also allowed
Who may not be able to join:
- You have another lung condition that limits airflow, such as bronchiectasis, cystic fibrosis, a collapsed or scarred airway, lung cancer, tuberculosis (TB), or pulmonary fibrosis
- You have a significant ongoing health condition (such as a heart, liver, kidney, neurological, blood, or mental health condition) that the trial doctor believes could put you at risk or affect the results
- You are pregnant, planning to become pregnant, breastfeeding, or tested positive for pregnancy at the screening visit
- You have used steroid medicines (by mouth, inhaler, or nasal spray) in the past 8 weeks
- You have taken antibiotics in the past 8 weeks
- You are currently taking nasal medicines, anti-leukotriene medicines, or antihistamines
- A blood test at your screening visit shows you already have a high level of antibodies to a specific cold virus used in the trial (confirm with trial site)
- You live with or regularly spend time around babies under 6 months old, very elderly or frail people, pregnant or breastfeeding women, or people with weakened immune systems (such as those with HIV, transplant recipients, or people receiving chemotherapy or immunotherapy)
- You are already taking part in another clinical trial that the trial doctor believes could make participation risky, affect results, or create too many appointments for you
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Sebastian L Johnston, Imperial College London
Phone: +44 20 7594 8495
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Lower Respiratory Symptom Score (LRSS)
Can't join this trial?
Data last synced from ClinicalTrials.gov: 16 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.