Utility of screening for chronic granulomatous disease in patients with inflammatory bowel disease

Preeti Jaggi1, Rebecca Scherzer, Rose Knieper

  • 1Section of Infectious Diseases and Immunology, Nationwide Children's Hospital, Columbus, OH, USA. preeti.jaggi@nationwidechildrens.org

Insights

Screening for Chronic Granulomatous Disease (CGD) in patients with chronic colitis or inflammatory bowel disease (IBD) did not identify any carriers or patients. This pilot study suggests routine CGD screening is not beneficial for this patient group.

Area of Science:

  • Immunology
  • Gastroenterology
  • Genetics

Background:

  • Chronic Granulomatous Disease (CGD) is a primary immunodeficiency with genetic heterogeneity.
  • CGD can present with gastrointestinal issues like colitis or Crohn's disease.
  • The prevalence of CGD carriers in patients with chronic colitis/IBD is not well-established.

Purpose of the Study:

  • To assess the utility of screening chronic colitis/IBD patients for CGD or its carrier state.
  • To determine if CGD is a significant underlying factor in this patient population.

Main Methods:

  • A pilot study prospectively screened 120 patients with chronic colitis/IBD.
  • Screening aimed to detect CGD or CGD carrier status.

Main Results:

  • No CGD carriers or patients were identified among the 120 participants.
  • Three patients had initially inconclusive test results, which normalized upon repeat testing.

Conclusions:

  • Routine screening for CGD is not indicated or instructive in patients presenting with chronic colitis or IBD.
  • The study did not find evidence supporting CGD as a common underlying cause for these conditions in the tested cohort.

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