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First received: January 9, 2023

Clinical Trial: Nordic Gastric and Esophageal Tumor Study

Study Status: Completed

Recruit Status: Completed

Condition: Cancer of Stomach
Cancer of the Esophagus
Drug Use

Study Type: Observational [Patient Registry]


Official Title: Nordic Gastric and Esophageal Tumor Study

Brief Summary: This is a population-based case-control study in all 5 Nordic countries from 1994 onwards. All cases with an esophageal or gastric tumor will be compared with 10 times as many population controls, frequency-matched by age, sex, and calendar year, country. This design offers excellent statistical power, length and completeness of follow-up, quality of data on exposures, outcomes and confounders, and control for confounding.The project will include a specific study entitled "Long-term medication with proton pump…

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