Effect of Helicobacter pylori Eradication Therapy on the Incidence of Noncardia Gastric Adenocarcinoma in a Large Diverse Population in the United States

High-quality data regarding the effect of Helicobacter pylori eradication on the risk of noncardia gastric adenocarcinoma (NCGA) remain limited in the United States. We investigated the incidence of NCGA after H pylori eradication therapy in a large, community-based US population. We performed a ret...

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Veröffentlicht in:Gastroenterology (New York, N.Y. 1943) N.Y. 1943), 2023-08, Vol.165 (2), p.391-401.e2
Hauptverfasser: Li, Dan, Jiang, Sheng-Fang, Lei, Nan Ye, Shah, Shailja C., Corley, Douglas A.
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container_end_page 401.e2
container_issue 2
container_start_page 391
container_title Gastroenterology (New York, N.Y. 1943)
container_volume 165
creator Li, Dan
Jiang, Sheng-Fang
Lei, Nan Ye
Shah, Shailja C.
Corley, Douglas A.
description High-quality data regarding the effect of Helicobacter pylori eradication on the risk of noncardia gastric adenocarcinoma (NCGA) remain limited in the United States. We investigated the incidence of NCGA after H pylori eradication therapy in a large, community-based US population. We performed a retrospective cohort study of Kaiser Permanente Northern California members who underwent testing and/or treatment for H pylori between 1997 and 2015 and were followed through December 31, 2018. The risk of NCGA was evaluated using the Fine-Gray subdistribution hazard model and standardized incidence ratios. Among 716,567 individuals with a history of H pylori testing and/or treatment, the adjusted subdistribution hazard ratios and 95% confidence intervals of NCGA for H pylori–positive/untreated and H pylori–positive/treated individuals were 6.07 (4.20–8.76) and 2.68 (1.86–3.86), respectively, compared with H pylori–negative individuals. When compared directly with H pylori–positive/untreated individuals, subdistribution hazard ratios for NCGA in H pylori–positive/treated were 0.95 (0.47–1.92) at
doi_str_mv 10.1053/j.gastro.2023.04.026
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We investigated the incidence of NCGA after H pylori eradication therapy in a large, community-based US population. We performed a retrospective cohort study of Kaiser Permanente Northern California members who underwent testing and/or treatment for H pylori between 1997 and 2015 and were followed through December 31, 2018. The risk of NCGA was evaluated using the Fine-Gray subdistribution hazard model and standardized incidence ratios. Among 716,567 individuals with a history of H pylori testing and/or treatment, the adjusted subdistribution hazard ratios and 95% confidence intervals of NCGA for H pylori–positive/untreated and H pylori–positive/treated individuals were 6.07 (4.20–8.76) and 2.68 (1.86–3.86), respectively, compared with H pylori–negative individuals. When compared directly with H pylori–positive/untreated individuals, subdistribution hazard ratios for NCGA in H pylori–positive/treated were 0.95 (0.47–1.92) at &lt;8 years and 0.37 (0.14–0.97) ≥8 years of follow-up. Compared with the Kaiser Permanente Northern California general population, standardized incidence ratios (95% confidence interval) of NCGA steadily decreased after H pylori treatment: 2.00 (1.79–2.24) ≥1 year, 1.01 (0.85–1.19) ≥4 years, 0.68 (0.54–0.85) ≥7 years, and 0.51 (0.38–0.68) ≥10 years. In a large, diverse, community-based population, H pylori eradication therapy was associated with a significantly reduced incidence of NCGA after 8 years compared with no treatment. The risk among treated individuals became lower than the general population after 7 to 10 years of follow-up. The findings support the potential for substantial gastric cancer prevention in the United States through H pylori eradication. [Display omitted] Helicobacter pylori eradication therapy was associated with a significant reduction in the risk of developing noncardia gastric adenocarcinoma based on results from a large, diverse, community-based population. 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Compared with the Kaiser Permanente Northern California general population, standardized incidence ratios (95% confidence interval) of NCGA steadily decreased after H pylori treatment: 2.00 (1.79–2.24) ≥1 year, 1.01 (0.85–1.19) ≥4 years, 0.68 (0.54–0.85) ≥7 years, and 0.51 (0.38–0.68) ≥10 years. In a large, diverse, community-based population, H pylori eradication therapy was associated with a significantly reduced incidence of NCGA after 8 years compared with no treatment. The risk among treated individuals became lower than the general population after 7 to 10 years of follow-up. The findings support the potential for substantial gastric cancer prevention in the United States through H pylori eradication. [Display omitted] Helicobacter pylori eradication therapy was associated with a significant reduction in the risk of developing noncardia gastric adenocarcinoma based on results from a large, diverse, community-based population. 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We investigated the incidence of NCGA after H pylori eradication therapy in a large, community-based US population. We performed a retrospective cohort study of Kaiser Permanente Northern California members who underwent testing and/or treatment for H pylori between 1997 and 2015 and were followed through December 31, 2018. The risk of NCGA was evaluated using the Fine-Gray subdistribution hazard model and standardized incidence ratios. Among 716,567 individuals with a history of H pylori testing and/or treatment, the adjusted subdistribution hazard ratios and 95% confidence intervals of NCGA for H pylori–positive/untreated and H pylori–positive/treated individuals were 6.07 (4.20–8.76) and 2.68 (1.86–3.86), respectively, compared with H pylori–negative individuals. When compared directly with H pylori–positive/untreated individuals, subdistribution hazard ratios for NCGA in H pylori–positive/treated were 0.95 (0.47–1.92) at &lt;8 years and 0.37 (0.14–0.97) ≥8 years of follow-up. Compared with the Kaiser Permanente Northern California general population, standardized incidence ratios (95% confidence interval) of NCGA steadily decreased after H pylori treatment: 2.00 (1.79–2.24) ≥1 year, 1.01 (0.85–1.19) ≥4 years, 0.68 (0.54–0.85) ≥7 years, and 0.51 (0.38–0.68) ≥10 years. In a large, diverse, community-based population, H pylori eradication therapy was associated with a significantly reduced incidence of NCGA after 8 years compared with no treatment. The risk among treated individuals became lower than the general population after 7 to 10 years of follow-up. The findings support the potential for substantial gastric cancer prevention in the United States through H pylori eradication. [Display omitted] Helicobacter pylori eradication therapy was associated with a significant reduction in the risk of developing noncardia gastric adenocarcinoma based on results from a large, diverse, community-based population. These findings support the potential for substantial gastric cancer prevention through testing and eradication of Helicobacter pylori in the United States.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>37142201</pmid><doi>10.1053/j.gastro.2023.04.026</doi><orcidid>https://orcid.org/0000-0002-2691-5175</orcidid><oa>free_for_read</oa></addata></record>
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subjects Adenocarcinoma - drug therapy
Adenocarcinoma - epidemiology
Adenocarcinoma - prevention & control
Anti-Bacterial Agents - therapeutic use
Eradication
Gastric Cancer
Helicobacter Infections - diagnosis
Helicobacter Infections - drug therapy
Helicobacter Infections - epidemiology
Helicobacter pylori
Humans
Incidence
Prevention
Retrospective Studies
Stomach Neoplasms - drug therapy
Stomach Neoplasms - epidemiology
Stomach Neoplasms - prevention & control
United States - epidemiology
title Effect of Helicobacter pylori Eradication Therapy on the Incidence of Noncardia Gastric Adenocarcinoma in a Large Diverse Population in the United States
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