Studies

CellWell record HH-64413

Association between proton pump inhibitor use and upper gastrointestinal cancer: A matched case-control study accounting for reverse causation and confounding by indication

Ibrahim O Sawaid; Zohar Din; Efrat Golan; Eytan Ruppin; Avivit Golan-Cohen; Ilan Green; Eugene Merzon; Shlomo Vinker; Abraham O Samson; Ariel Israel

2026

In plain language

In 875 adults with upper GI cancer matched to 8,750 controls in Israel, apparent links to proton pump inhibitor use disappeared after adjusting for symptom diagnoses and excluding the final pre-diagnosis year. Remote use was linked to lower odds.

Evidence
Emerging
Design
Case-control study

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