The use of oral bisphosphonates was not associated with esophageal or gastric cancer in a large cohort study in the United Kingdom, according to a large U.K. database analysis. Oral bisphosphonates cause serious esophagitis in some users. Reflux esophagitis is a known risk factor for esophageal cancer, but it is not known whether bisphosphonates-associated esophagitis also predisposes patients to develop gastric cancer, said Chris R. Cardwell, Ph.D., of Queen's University Belfast, Ireland, and his...