Evidence map›Paper›PMID 42328420›Full record

ArticleInternational journal of chronic obstructive pulmonary disease2026

Causal Relationship Between Methotrexate and Chronic Obstructive Pulmonary Disease: A Study Based on Network Toxicology and Mendelian Randomization.

Ying-Xing Xiang, Fang-Shu Zou, Mei-Feng Shi, Qiang Xu

Abstract read
In one paragraph

Article in International journal of chronic obstructive pulmonary disease, 2026. 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

4 authors.

Ying-Xing XiangState Key Laboratory of Traditional Chinese Medicine Syndrome, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China.
Fang-Shu ZouState Key Laboratory of Traditional Chinese Medicine Syndrome, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China.
Mei-Feng ShiState Key Laboratory of Traditional Chinese Medicine Syndrome, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China.
Qiang XuState Key Laboratory of Traditional Chinese Medicine Syndrome, The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, People's Republic of China.ORCID 0000-0001-8510-6127

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: Previous studies have shown that methotrexate (MTX) may have potential effects on chronic obstructive pulmonary disease (COPD), but the specific causal relationship remains unclear. Objective: This research intends to investigate whether a potential causal association exists between MTX usage and the risk of developing COPD. Methods: To systematically explore the potential association between MTX and the occurrence of COPD, this study adopted a multi-dimensional research strategy: on the one hand, the network toxicology method was used to predict the relevant action targets and metabolic pathways of MTX; on the other hand, the Mendelian randomization (MR) analysis method was applied to conduct research at the macro-epidemiological level. Results: Network toxicology analysis showed that MTX can affect the onset of COPD through multiple pathways and metabolic routes, and has strong binding energy with proteins encoded by Conclusion: This study suggests that there is a certain association between the use of MTX and the increased risk of COPD, providing new ideas for subsequent in - depth research.

Indexed as

LungMethotrexatePulmonary Disease, Chronic ObstructiveGenetic Predisposition to DiseaseHumansMendelian Randomization AnalysisRisk AssessmentRisk FactorsMethotrexateCOPDMRMTXnetwork toxicology

Identifiers

PMID42328420
PMCPMC13281881

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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.