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Differences Between Familial and Sporadic Celiac Disease.

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Familial celiac disease patients often present with milder symptoms and better quality of life compared to sporadic cases. This highlights the need for tailored support for sporadic celiac disease patients.

Keywords:
Celiac diseaseFamilialHLAQuality of lifeSporadicSymptoms

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Area of Science:

  • Gastroenterology
  • Genetics
  • Immunology

Background:

  • Celiac disease can be familial or sporadic, but differences in patient characteristics and outcomes are not well understood.
  • Investigating genetic background, diagnostic features, well-being, and diet adherence is crucial for comparing familial and sporadic celiac disease.
  • A follow-up study was conducted to explore these potential differences.

Purpose of the Study:

  • To compare genetic factors, clinical presentation, and quality of life between familial and sporadic celiac disease patients.
  • To assess differences in symptoms, comorbidities, and adherence to a gluten-free diet.
  • To identify factors influencing the disease course in familial versus sporadic celiac disease.

Main Methods:

  • Analyzed 1064 celiac disease patients for serology, HLA-DQ, and non-HLA genotypes.
  • Collected medical data from records and interviews, assessing current symptoms and quality of life using validated questionnaires (GSRS, PGWB, SF-36).
  • Compared familial and sporadic groups based on diagnostic reasons, clinical presentation, histological damage, comorbidities, and treatment response.

Main Results:

  • Familial cases were more often screen-detected and had fewer gastrointestinal and severe symptoms at diagnosis compared to sporadic cases.
  • While histological damage and malabsorption were comparable, familial cases reported fewer overall, neurological, and dermatological comorbidities.
  • Familial celiac disease patients demonstrated better quality of life (PGWB, SF-36) despite similar dietary adherence and symptom severity scores (GSRS).

Conclusions:

  • Familial celiac disease cases exhibit milder initial symptoms despite a higher prevalence of high-risk genotypes.
  • Sporadic celiac disease is associated with a worse symptom experience and poorer quality of life, suggesting a need for enhanced patient support.
  • Genetic predisposition influences celiac disease presentation and outcomes, necessitating individualized management strategies.