Evidence map›Paper›PMID 39524042›Full record

ArticleThe journal of allergy and clinical immunology. Global2025

Effect of prednisone on woodsmoke-induced sputum inflammation in healthy volunteers: A randomized, placebo-controlled pilot study.

Terry L Noah, Neil E Alexis, William D Bennett, Michelle L Hernandez, Allison J Burbank, Haolin Li, Haibo Zhou, Ilona Jaspers, David B Peden

Abstract read
In one paragraph

Article in The journal of allergy and clinical immunology. Global, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
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

2 citing papers in PubMed.

  1. Article
  2. 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

9 authors.

Terry L NoahDepartment of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Neil E AlexisDepartment of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC.
William D BennettCenter for Environmental Medicine, Asthma and Lung Biology, Chapel Hill, NC.
Michelle L HernandezDepartment of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Allison J BurbankDepartment of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Haolin LiDepartment of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC.
Haibo ZhouCenter for Environmental Medicine, Asthma and Lung Biology, Chapel Hill, NC.
Ilona JaspersDepartment of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC.
David B PedenDepartment of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC.

Funding

North Carolina Translational and Clinical Sciences Institute (NC TraCS)UM1TR004406 · NCATS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI NICHOLAS J SHAHEEN · 2023 to 2026
$37.5M
UNC-CH CENTER FOR ENVIRONMENTAL HEALTH &SUSCEPTIBILITYP30ES010126 · NIEHS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI Hazel B Nichols · 2001 to 2026
$36.3M
NCATS NIH HHS UM1 TR004406NIEHS NIH HHS P30 ES010126
6 · The paper itself

Abstract

Background: Inhalation of biomass smoke is associated with adverse respiratory effects in those with chronic pulmonary conditions. There are few published data regarding the effects of anti-inflammatory interventions on these outcomes. Objective: Our aim was to assess the effects of postexposure prednisone on woodsmoke (WS)-induced sputum neutrophilia. Methods: We carried out a randomized, placebo-controlled, crossover pilot study assessing the effect of a postexposure dose of 60 mg prednisone on induced sputum inflammation after controlled exposure to WS (500 μg/m Results: A total of 11 subjects yielded complete data for the primary analysis. At 24 hours after WS exposure, there was a significant increase in sputum percentage of PMNs (%PMN) versus at baseline after placebo (median = 42% [IQR = 31%-53%]) ( Conclusions: Prednisone taken immediately after exposure to WS mitigated short-term increase in sputum %PMN among healthy volunteers selected for their underlying inflammatory responsiveness to WS. Our data support future studies assessing anti-inflammatory interventions and the role of mucus clearance in WS-induced respiratory health effects.

Indexed as

inflammationmucociliary clearanceneutrophilsprednisonesputumWoodsmoke

Identifiers

PMID39524042
PMCPMC11546454

What OpenQuestion holds

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Registered trials

None linked

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.