ArticleHelicobacter
Helicobacter pylori Eradication Therapy and the Risk of Colorectal Cancer: A Population-Based Nationwide Cohort Study in Sweden.
Article in Helicobacter. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Sex-Specific Associations ofThe world journal of men's health · 2026Article
- Preventive Effect of Helicobacter pylori Treatment on Colorectal Cancer Incidence and Mortality.Journal of gastroenterology and hepatology · 2026Article
- Global and regional burden of colorectal cancer potentially related to Helicobacter pylori exposure: a risk attribution modelling study.eGastroenterology · 2026Article
- HELICOBACTER PYLORI BEYOND THE STOMACH: WHEN THE STORY CHANGES.Arquivos de gastroenterologia · 2026Review
- Use of bidirectional Mendelian randomization to unveil the association of Helicobacter pylori infection and pancreatic cancer.Medicine · 2025Article
- Helicobacter pylori, peptic ulcer disease, and colorectal cancer: a prospective study with genome-wide interaction analysis and Mendelian randomization.Infectious agents and cancer · 2025Article
- Article
- Effect ofImmunotherapy · 2025Review
- Beyond the stomach: the association betweenFrontiers in cellular and infection microbiology · 2025Review
- Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundHelicobacter pylori (H. pylori) is an established gastric carcinogen, also associated with an increased risk of colorectal cancer. Therefore, we suspected that H. pylori eradication lowers the risk of colorectal cancer. MATERIAL AND
methodsWe assessed if H. pylori eradication therapy is associated with a reduced risk of colorectal adenocarcinoma in a population-based nationwide cohort study. This study included all Swedish adults with at least one recorded H. pylori eradication episode between July 2005 and December 2012, based on the high-quality Swedish health registries. Colorectal adenocarcinoma risks were compared to the Swedish background population, presented as standardized incidence ratios (SIRs) and 95% confidence intervals (CIs), accounting for age, sex, calendar period, tumor location (left or right sided), stage, and number of eradication episodes, from 1 year after eradication and onward.
resultsAmong 80,381 individuals receiving H. pylori eradication therapy (average follow-up 4.1 years), 282 were diagnosed with colorectal cancer (97.2% adenocarcinoma). Overall, H. pylori eradication was associated with an elevated risk of colorectal adenocarcinoma (SIR 1.27, 95% CI: 1.12-1.43). The colorectal adenocarcinoma risk was increased 1-2 years after eradication (SIR 1.42, 95% CI: 1.17-1.72), then decreased 2-4 years (SIR 0.80, 95% CI: 0.65-0.98) and 4-6 years (SIR 0.76, 95% CI: 0.57-0.99), yet not ≥ 6 years (SIR 1.36, 95% CI: 0.78-2.21) after eradication compared to the general population. Overall, right-sided (SIR 1.47, 95% CI: 1.21-1.76) and left-sided (SIR 1.35, 95% CI: 1.09-1.67) colon adenocarcinomas risks were higher among eradicated individuals than the general population.
conclusionH. pylori eradication was not associated with a clear and consistent reduction of colorectal cancer in our Swedish cohort.
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