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Research on childhood asthma and vitamin D (2003-2023): a bibliometric analysis

NaiXu Liu1,2, Fei Luo1,2, XiaoRui Chen1,2

  • 1Department of Pediatrics, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.

The Journal of Asthma : Official Journal of the Association for the Care of Asthma
|October 29, 2025
PubMed

Insights

Research on Vitamin D (Vit D) and childhood asthma is developing, with limited consensus on mechanisms. More international collaboration and high-quality studies are needed to improve prevention and treatment strategies for this common childhood condition.

Area of Science:

  • Pediatric Allergy and Immunology
  • Nutritional Science
  • Public Health

Background:

  • Childhood asthma is a significant health concern, characterized by chronic airway inflammation.
  • Vitamin D (Vit D) is increasingly recognized for its role in asthma development and progression.
  • Bibliometric analyses specifically on the Vit D-childhood asthma nexus are lacking.

Purpose of the Study:

  • To systematically review research status, hotspots, and trends in Vit D and childhood asthma.
  • To establish a comprehensive knowledge network for future research.
  • To provide a reference for researchers in the field.

Main Methods:

  • Bibliometric analysis of 656 articles from Web of Science Core Collection (2003-2023).
  • Data extraction and visualization using CiteSpace and VOSviewer.
  • Retrospective search focusing on Vitamin D and childhood asthma.

Main Results:

  • The United States leads in publications, followed by China and the UK.
  • Key research themes include T cells, inflammation, prenatal factors, and comorbidities.
  • The Journal of Allergy and Clinical Immunology is a primary publication venue.

Conclusions:

  • Research on Vit D and childhood asthma is nascent, lacking consensus on mechanisms and comorbidities.
  • Significant regional disparities in research output exist.
  • Enhanced international collaboration and rigorous research are crucial for advancing understanding and clinical practice.
Abstract

Keywords:
Vitamin Dasthmabibliometricchildvisual analysis

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