Proton pump inhibition therapy and risk of oesophageal cancer

Maintenance proton pump inhibition therapy and risk of oesophageal cancer – Cancer Epidemiology (link to abstract – $ for full-text)

Commentary: Long-term PPI Use and Increased Esophageal CA Risk – Medscape (free registration required)

Related studies suggesting a link with gastric cancer: Long-term proton pump inhibitors and risk of gastric cancer development after treatment for Helicobacter pylori: a population-based study – Gut (link to abstract – $ for full-text) AND Maintenance therapy with proton pump inhibitors and risk of gastric cancer: a nationwide population-based cohort study in Sweden – BMJ Open (free)

This observational study suggests a possible link.