Evidence map›Paper›PMID 33547327›Full record

ArticleNPJ biofilms and microbiomes2021

Lung microbiota associations with clinical features of COPD in the SPIROMICS cohort.

Kristopher Opron, Lesa A Begley, John R Erb-Downward, Christine Freeman, Siddharth Madapoosi, Neil E Alexis, Igor Barjaktarevic, R Graham Barr, Eugene R Bleecker, Russell P Bowler and 22 more

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in NPJ biofilms and microbiomes, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01969344 (Subpopulations and Intermediate Outcome Measures in COPD Study), which is not on this map. Cited by 50 papers.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed
7.8field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT01969344 active not recruitingnot on this map

Subpopulations and Intermediate Outcome Measures in COPD Study

TypeobservationalSponsorUniversity of North Carolina, Chapel HillRan2010 to 2031Enrolled2,981ConditionsCOPD, Chronic Obstructive Pulmonary Disease, Chronic Bronchitis, Emphysema
3 · Its place in the literature

Who cites it

50 citing papers in PubMed, 66 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Review
  5. Review
  6. Observational
  7. Why the COPD Microbiome Matters: How Airway Microbes Shape Disease Severity and Treatment Response.International journal of chronic obstructive pulmonary disease · 2026
    Review
  8. Article
  9. Review
  10. Article
  11. Article
  12. Observational
  13. Review
  14. Review
  15. Investigation of dynamic microbial migration patterns in the respiratory tract.Frontiers in cellular and infection microbiology · 2025
    Article
  16. Observational
  17. Review
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

32 authors at 13 institutions in 1 country.

Kristopher Opron *Division of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.
Lesa A Begley *Division of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.
John R Erb-DownwardDivision of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.
Christine FreemanDivision of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.
Siddharth MadapoosiDivision of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.
Neil E AlexisUniversity of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Igor BarjaktarevicUniversity of California at Los Angeles, Los Angeles, CA, USA.
R Graham BarrColumbia University, New York, NY, USA.
Eugene R BleeckerUniversity of Arizona College of Medicine, Tucson, AZ, USA.
Russell P BowlerNational Jewish Health, Denver, CO, USA.
Stephanie A ChristensonUniversity of California at San Francisco, San Francisco, CA, USA.
Alejandro P ComellasUniversity of Iowa, Iowa City, IA, USA.
Christopher B CooperUniversity of California at Los Angeles, Los Angeles, CA, USA.
David J CouperUniversity of North Carolina at Chapel Hill, Chapel Hill, NC, USA.ORCID 0000-0002-4313-9235
Claire M DoerschukUniversity of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Mark T DransfieldUniversity of Alabama at Birmingham, Birmingham, AL, USA.
MeiLan K HanDivision of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.
Nadia N HanselJohn Hopkins University, Baltimore, MD, USA.
Annette T HastieWake Forest School of Medicine, Winston-Salem, NC, USA.ORCID 0000-0001-6607-7797
Eric A HoffmanUniversity of Iowa, Iowa City, IA, USA.
Robert J KanerWeill Cornell Medical College, New York, NY, USA.
Jerry KrishnanUniversity of Illinois, Chicago, IL, USA.
Wanda K O'NealUniversity of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Victor E OrtegaWake Forest School of Medicine, Winston-Salem, NC, USA.
Robert PaineUniversity of Utah, Salt Lake City, UT, USA.
Stephen P PetersWake Forest School of Medicine, Winston-Salem, NC, USA.
J Michael WellsUniversity of Alabama at Birmingham, Birmingham, AL, USA.
Prescott G WoodruffUniversity of California at San Francisco, San Francisco, CA, USA.
Fernando J MartinezWeill Cornell Medical College, New York, NY, USA.
Jeffrey L CurtisDivision of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.ORCID 0000-0001-5191-4847
Gary B HuffnagleDivision of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA.
Yvonne J HuangDivision of Pulmonary/Critical Care Medicine, University of Michigan, Ann Arbor, MI, USA. yvjhuang@med.umich.edu.ORCID 0000-0002-7497-6597
University of Michigan · USUniversity of North Carolina at Chapel Hill · USWake Forest University · USCornell University · USUniversity of Alabama at Birmingham · USUniversity of California, Los Angeles · USUniversity of Iowa · USColumbia University · USJohns Hopkins University · USNational Jewish Health · USUniversity of Arizona · USUniversity of Illinois Chicago · USUniversity of Utah · US

Funding

Pulmonary Toxicology Facility CoreP30ES005605 · NIEHS · UNIVERSITY OF IOWA · PI Jong Sung Kim · 1990 to 2026
$40.5M
Vector Core-Core 2P30DK054759 · NIDDK · UNIVERSITY OF IOWA · PI Amy Leanne Ryan · 1998 to 2026
$30.5M
SPIROMICS II: Biological underpinnings of COPD heterogeneity and progressionU01HL137880 · NHLBI · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI WOODRUFF, PRESCOTT G · 2017 to 2021
$27.9M
SPIROMICS GIC SupportU24HL141762 · NHLBI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI COUPER, DAVID J, O'NEAL, WANDA K · 2018 to 2022
$7.2M
Sputum Microbial Markers of Type 2-Low AsthmaR01AI129958 · NIAID · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI HUANG, YVONNE JEAN · 2017 to 2021
$3.6M
Functional Analysis of the Pulmonary Microbiome during COPDR01HL121774 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI HUFFNAGLE, GARY B · 2017 to 2020
$3.1M
Defining Pathways in COPD Patient Oriented ResearchK24HL138188 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI MeiLan K Han · 2017 to 2026
$1.2M
Mentoring Research in Precision Medicine for Lung DiseaseK24HL137013 · NHLBI · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI PRESCOTT G WOODRUFF · 2017 to 2026
$1.2M
Identifying the Th2 endotype in COPD: clinical and pathologic implicationsK23HL123778 · NHLBI · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI CHRISTENSON, STEPHANIE A · 2015 to 2019
$847k
Corticosteroid effects on bacterial behaviors in the respiratory tractR03HL138310 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI HUANG, YVONNE JEAN · 2017 to 2018
$155k
NHLBI NIH HHS HHSN268200900013CNHLBI NIH HHS HHSN268200900014CNHLBI NIH HHS HHSN268200900015CNHLBI NIH HHS HHSN268200900016CNHLBI NIH HHS HHSN268200900017CNHLBI NIH HHS HHSN268200900018CNHLBI NIH HHS HHSN268200900019CNHLBI NIH HHS HHSN268200900020CNHLBI NIH HHS K23 HL123778NHLBI NIH HHS K24 HL137013NHLBI NIH HHS K24 HL138188NHLBI NIH HHS R01 HL121774NHLBI NIH HHS R03 HL138310NHLBI NIH HHS U01 HL137880NHLBI NIH HHS U24 HL141762NIAID NIH HHS R01 AI129958NIDDK NIH HHS P30 DK054759NIEHS NIH HHS P30 ES005605
6 · The paper itself

Abstract

Chronic obstructive pulmonary disease (COPD) is heterogeneous in development, progression, and phenotypes. Little is known about the lung microbiome, sampled by bronchoscopy, in milder COPD and its relationships to clinical features that reflect disease heterogeneity (lung function, symptom burden, and functional impairment). Using bronchoalveolar lavage fluid collected from 181 never-smokers and ever-smokers with or without COPD (GOLD 0-2) enrolled in the SubPopulations and InteRmediate Outcome Measures In COPD Study (SPIROMICS), we find that lung bacterial composition associates with several clinical features, in particular bronchodilator responsiveness, peak expiratory flow rate, and forced expiratory flow rate between 25 and 75% of FVC (FEF

Indexed as

AdultAgedBacteriaBronchoalveolar Lavage FluidFemaleForced Expiratory VolumeHumansLungMaleMiddle AgedPulmonary Disease, Chronic ObstructiveRNA, Ribosomal, 16SSequence Analysis, RNASpirometryRNA, Ribosomal, 16S

Identifiers

PMID33547327
PMCPMC7865064
OpenAlexW3128628494

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.