Evidence map›Paper›PMID 36755966›Full record

ArticleERJ open research2023

Biomarker-based clustering of patients with chronic obstructive pulmonary disease.

Lowie E G W Vanfleteren, Julie Weidner, Frits M E Franssen, Swetlana Gaffron, Niki L Reynaert, Emiel F M Wouters, Martijn A Spruit

Open access · goldAbstract read
In one paragraph

Article in ERJ open research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
3.0field-weighted citation impact, top 7% 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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 22 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. The Evolving Landscape of COPD Typization.Medicina (Kaunas, Lithuania) · 2026
    Review
  5. Basophils activate oncostatin M receptor-expressing vagal sensory neurons.The Journal of allergy and clinical immunology · 2026
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. BASOPHILS ACTIVATE PRURICEPTOR-LIKE VAGAL SENSORY NEURONS.bioRxiv : the preprint server for biology · 2024
    Article
  13. Article
  14. Sputum Biomarkers in Wood and Tobacco Smoke Etiotypes of Chronic Obstructive Pulmonary Disease.International journal of chronic obstructive pulmonary disease · 2024
    Article
  15. Article
  16. Review
  17. 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

7 authors at 4 institutions in 3 countries.

Lowie E G W VanfleterenCOPD Center, Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden.ORCID https://orcid.org/0000-0002-4387-4096
Julie WeidnerKrefting Research Centre, Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.ORCID https://orcid.org/0000-0002-7140-8666
Frits M E FranssenDepartment of Research and Development, CIRO+, Horn, The Netherlands.ORCID https://orcid.org/0000-0002-1633-6356
Swetlana GaffronViscovery Software GmbH, Vienna, Austria.ORCID https://orcid.org/0000-0002-4540-0732
Niki L ReynaertDepartment of Respiratory Medicine, Maastricht University Medical Center (MUMC+), Maastricht, The Netherlands.
Emiel F M WoutersDepartment of Research and Development, CIRO+, Horn, The Netherlands.
Martijn A SpruitDepartment of Research and Development, CIRO+, Horn, The Netherlands.ORCID https://orcid.org/0000-0003-3822-7430
Maastricht University · NLSahlgrenska University Hospital · SEUniversity of Gothenburg · SEViscovery Software (Austria) · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Rationale: COPD has been associated repeatedly with single biomarkers of systemic inflammation, ignoring the complexity of inflammatory pathways. This study aimed to cluster patients with COPD based on systemic markers of inflammatory processes and to evaluate differences in their clinical characterisation and examine how these differences may relate to altered biological pathways. Methods: 213 patients with moderate-to-severe COPD in a clinically stable state were recruited and clinically characterised, which included a venous blood sample for analysis of serum biomarkers. Patients were clustered based on the overall similarity in systemic levels of 57 different biomarkers. To determine interactions among the regulated biomarkers, protein networks and biological pathways were examined for each patient cluster. Results: Four clusters were identified: two clusters with lower biomarker levels (I and II) and two clusters with higher biomarker levels (III and IV), with only a small number of biomarkers with similar trends in expression. Pathway analysis indicated that three of the four clusters were enriched in Rage (receptor for advanced glycation end-products) and Oncostatin M pathway components. Although the degree of airflow limitation was similar, the clinical characterisation of clusters ranged from 1) better functional capacity and health status and fewer comorbidities; 2) more underweight, osteoporosis and static hyperinflation; 3) more metabolically deranged; and 4) older subjects with worse functional capacity and higher comorbidity load. Conclusions: These new insights may help to understand the functionally relevant inflammatory interactions in the pathophysiology of COPD as a heterogeneous disease.

Identifiers

PMID36755966
PMCPMC9900445
OpenAlexW4309883785

What OpenQuestion holds

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Registered trials

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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.