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Scientists probe lung microbiome to unlock COPD secrets

NCT ID NCT02777879

Knowledge-focused Sponsor: NYU Langone Health Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at the bacteria living in the lungs of smokers with and without early-stage COPD. Researchers will use a bronchoscopy to collect samples and analyze how these bacteria and the body's immune response differ between the two groups. The goal is to better understand what drives COPD in its early stages, which could lead to new ways to detect or treat the disease.

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 how lung bacteria contribute to COPD, pointing toward future treatments or prevention strategies.
What could go wrong
This is an observational study, not a treatment trial. It may not lead directly to new therapies, and findings may not apply to all COPD patients.

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

About 230 people

The number the study aims to enrol. It can still change while the study runs.

Start date

May 2014

Expected to finish

Aug 2030

An estimate. End dates often move.

Lead sponsor

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

Utilizing cohorts built at NYU over the last several years, this project is uniquely positioned to investigate the microbiome signatures among subjects with COPD.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Chronic obstuctive pulmonary disease

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names. We don't republish those.

    Open the record ↗

  3. 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

  • New York University School of Medicine

    RECRUITING

    New York, New York, 10016, United States