期刊
CLINICAL GASTROENTEROLOGY AND HEPATOLOGY
卷 20, 期 2, 页码 E111-E131出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cgh.2021.05.034
关键词
Celiac Disease; Cancer; Epidemiology
资金
- Celiac Disease Foundation Young Investigator Research Grant Award
- Louis and Gloria Flanzer Philanthropic Trust
- Swedish Research Council
Celiac disease patients have an increased risk of cancer, especially within the first year after diagnosis. The risk is highest in individuals diagnosed with CD after age 60.
BACKGROUND & AIMS: Celiac disease (CD) is associated with increased mortality, in part due to cancer. Most studies investigating this cancer risk involved patients diagnosed before widespread increases in CD diagnosis rates and access to gluten-free food. We performed a population-based study of the risk of cancer in CD. METHODS: We identified all patients in Sweden with CD as defined as duodenal/jejunal villus atrophy, using the Epidemiology Strengthened by histoPathology Reports in Sweden cohort. Each patient was matched to <= 5 controls by age, sex, and county. We used stratified Cox proportional hazards model, following patients from diagnosis until first cancer, or by December 31, 2016. RESULTS: Among 47,241 patients with CD, 30,080 (64%) were diagnosed since 2000. After a median follow-up of 11.5 years, the incidence of cancer was 6.5 and 5.7 per 1000 person-years in CD patients and controls, respectively. The overall risk of cancer was increased (hazard ratio [HR], 1.11; 95% confidence interval [CI], 1.07-1.15), but it was only significantly elevated in the first year after CD diagnosis (HR, 2.47; 95% CI, 2.22-2.74) and not subsequently (HR, 1.01; 95% CI, 0.97-1.05), although the risks of hematologic, lymphoproliferative, hepatobiliary, and pancreatic cancers persisted. The overall risk was highest in those diagnosed with CD after age 60 years (HR, 1.22; 95% CI, 1.16-1.29) and was not increased in those diagnosed before age 40. The cancer risk was similar among those diagnosed with CD before or after the year 2000. CONCLUSIONS: There is an increased risk of cancer in CD even in recent years, but this risk increase is confined to those diagnosed with CD after age 40 and is primarily present within the first year of diagnosis.
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