Eradiction of H. pylori protects against stomach cancer
Almost all stomach cancers not related to the heart develop from the stomach ulcer causing bug H. pylori. A Japanese study shows that treatment to eradicate the mikrobe reduces the risk of developing new gastric carcinoma in patients.
After 3 years, the researchers found that only nine patients who received Helicobacter pylori eradication therapy had developed stomach cancer again, compared with 24 of those who did not receive eradication therapy. Overall, Helicobacter pylori eradication therapy after stomach cancer surgery was associated with a 65 per cent reduced risk of stomach cancer recurrence. The results of the investigation are recently published in The Lancet.
In an accompanying commentary, Dr. Nicholas Talley, of the Mayo Clinic in Jacksonville, Fla., noted that colonoscopy is widely used to screen for colorectal cancer even though there are no published randomized trials of benefits versus risks. "Yet, worldwide, gastric cancer kills more people, and there is better evidence that H. pylori eradication can prevent mortality than there is for colonoscopy screening. Preventing gastric cancer by eradicating H. pylori in high-risk regions should be a priority," Talley wrote.
Picture courtesy by Nobel Prize Organisation
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