No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
Ready to participate?
Review the details below, then apply to join this clinical trial.
At a Glance
Age
18 – 70
Sex
Any
Study type
Observational
Participants needed
230 (estimated)
Sponsor
NYU Langone Health · Other
Who this trial is looking for
This trial is looking for smokers who have early COPD, as well as smokers without COPD. Participants will help researchers understand the bacteria in the lungs and how they relate to the disease.
Are You a Good Fit for This Trial?
You may be able to join if
I am a smoker with at least 20 pack-years.
I have airflow obstruction with specific lung function numbers.
I have FEV1 greater than 50% predicted.
You may not be able to join if
I have FEV1 less than 50%.
I have had significant heart disease.
I have diabetes.
I have serious liver or kidney disease.
I have severe bleeding problems.
I am pregnant.
I drink more than 6 beers or 4 mixed drinks daily.
I cannot provide informed consent.
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer three quick questions written from this study's own rules to see if you may qualify. No account needed to find out.
This is a cross sectional case controlled study to assess lung microbiome and inflammation in smokers with and without Chronic Obstructive Pulmonary Disease (COPD). Investigators will look at active bacterial metabolic pathways in the lower airways using metagenomic and metabolomic approaches an assess relationships among microbiome, metagenome, metabolome and host immune responses in COPD and con…
This is a cross sectional case controlled study to assess lung microbiome and inflammation in smokers with and without Chronic Obstructive Pulmonary Disease (COPD). Investigators will look at active bacterial metabolic pathways in the lower airways using metagenomic and metabolomic approaches an assess relationships among microbiome, metagenome, metabolome and host immune responses in COPD and controls. Investigators believe COPD cases will have higher prevalence of pneumotype supraglottic predominant taxa (SPT) than matched controls.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Case definition: Smokers (\>20 pack-year) with airflow obstruction (FEV1/FVC\<70) and FEV1\>50% predicted (early COPD GOLD 1 or 2)
* Control definition: Smokers with normal spirometry will serve as controls.
Exclusion Criteria:
* FEV1 \< 50% NOT 70
* Significant cardiovascul…
Inclusion Criteria:
* Case definition: Smokers (\>20 pack-year) with airflow obstruction (FEV1/FVC\<70) and FEV1\>50% predicted (early COPD GOLD 1 or 2)
* Control definition: Smokers with normal spirometry will serve as controls.
Exclusion Criteria:
* FEV1 \< 50% NOT 70
* Significant cardiovascular disease defined as abnormal EKG, known or suspected coronary artery disease or congestive heart failure.
* Diabetes mellitus
* Significant liver or renal disease
* Severe coagulopathy (INR \> 1.4, PTT \> 40 seconds and platelet count \< 150x103 cells).
* Pregnancy
* ETOH use of more than \>6 beers or \>4 mixed drinks daily
* Lack of capacity to provide informed consent.
* Antibiotic use within the prior 2months
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