Link Between Autoimmune Thyroid Disorders and CagA Presence with Gastric Intestinal Metaplasia in H. pylori Patients: A Cross-Sectional Endoscopic Analysis - Takeaways - MDSpire

Link Between Autoimmune Thyroid Disorders and CagA Presence with Gastric Intestinal Metaplasia in H. pylori Patients: A Cross-Sectional Endoscopic Analysis

  • By

  • Angel Hailemariam

  • Ketong Han

  • Jacqueline Emerson

  • Bryan C. Batch

  • Shannon McCall

  • Nina Salama

  • Frances Wang

  • Katherine S. Garman

  • Meira Epplein

  • February 4, 2026

  • 0 min

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  • 1

    Autoimmune thyroid disease (AITD) is the most common organ-specific autoimmune disease, affecting approximately 1.7 million people in the US.

  • 2

    CagA-positive H. pylori strains are associated with increased inflammatory responses, potentially exacerbating thyroid inflammation in AITD patients.

  • 3

    A meta-analysis indicated a nearly 2-fold increase in AITD among individuals with cagA-positive H. pylori strains, highlighting a possible pathogenic link.

  • 4

    The study cohort consisted of 478 patients with confirmed H. pylori infection, including 147 with gastric intestinal metaplasia.

  • 5

    Testing and treating H. pylori may provide an under-recognized therapeutic approach for managing autoimmune thyroid disease.

Original Source(s)

Link Between Autoimmune Thyroid Disorders and CagA Presence with Gastric Intestinal Metaplasia in H. pylori Patients: A Cross-Sectional Endoscopic Analysis

  • by Angel Hailemariam, Ketong Han, Jacqueline Emerson, Bryan C. Batch, Shannon McCall, Nina Salama, Frances Wang, Katherine S. Garman, Meira Epplein

  • February 4, 2026

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