The Association between Peptic Ulcer Disease and Gastric Cancer: Results from the Stomach Cancer Pooling (StoP) Project Consortium

Pedram Paragomi, Bashir Dabo, Claudio Pelucchi, Rossella Bonzi, Abdulaziz T. Bako, Nabila Muhammad Sanusi, Quan H. Nguyen, Zuo-Feng Zhang, Domenico Palli, Monica Ferraroni, Khanh Truong Vu, Guo-Pei Yu, Federica Turati, David Zaridze, Dmitry Maximovitch, Jinfu Hu, Lina Mu, Stefania Boccia, Roberta Pastorino, Shoichiro TsuganeAkihisa Hidaka, Robert C. Kurtz, Areti Lagiou, Pagona Lagiou, M. Constanza Camargo, Maria Paula Curado, Nuno Lunet, Nuno Miguel De Sousa Lunet, Jesus Vioque, Paolo Boffetta, Eva Negri, Carlo La Vecchia, Hung N. Luu

Research output: Contribution to journalArticle

Abstract

Simple Summary Gastric cancer (GC) is the fifth most common type of cancer and the fourth most common cause of cancer-related mortality. In this meta-analysis, we utilized SToP consortium data to investigate the association between gastric ulcer (GU) and duodenal ulcer (DU) and development of GC. Among 4106 GC cases and 6922 controls, we detected a positive association between GU and GC (OR = 3.04, 95% CI: 2.07-4.49). On the other hand, no significant association between DU and GC was detected (OR = 1.03, 95% CI: 0.77-1.39). In the pooled analysis, incorporating 11 case-control studies revealed positive association between the gastric ulcer and risk of gastric cancer. Background. Gastric cancer (GC) is the fifth most common type of cancer and the fourth most common cause of cancer-related mortality. Although the risk of GC and peptic ulcer disease (PUD) is known to be increased by H. pylori infection, evidence regarding the direct relationship between PUD and GC across ethnicities is inconclusive. Therefore, we investigated the association between PUD and GC in the Stomach cancer Pooling (StoP) consortium. Methods. History of peptic ulcer disease was collected using a structured questionnaire in 11 studies in the StoP consortium, including 4106 GC cases and 6922 controls. The two-stage individual-participant data meta-analysis approach was adopted to generate a priori. Unconditional logistic regression and Firth's penalized maximum likelihood estimator were used to calculate study-specific odds ratios (ORs) and 95% confidence intervals (CIs) for the association between gastric ulcer (GU)/duodenal ulcer (DU) and risk of GC. Results. History of GU and DU was thoroughly reported and used in association analysis, respectively, by 487 cases (12.5%) and 276 controls (4.1%), and 253 cases (7.8%) and 318 controls (6.0%). We found that GU was associated with an increased risk of GC (OR = 3.04, 95% CI: 2.07-4.49). No association between DU and GC risk was observed (OR = 1.03, 95% CI: 0.77-1.39). Conclusions. In the pooled analysis of 11 case-control studies in a large consortium (i.e., the Stomach cancer Pooling (StoP) consortium), we found a positive association between GU and risk of GC and no association between DU and GC risk.
Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalCancers
Volume14
DOIs
Publication statusPublished - 2022

Keywords

  • Gastric ulcers (Gus)
  • risk factors
  • gastric cancer
  • duodenal ulcers (DUs)

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