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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Improvement of gastroesophageal reflux symptoms after radiofrequency energy: a randomized, sham-controlled trial.

BACKGROUND & AIMS: Gastroesophageal reflux disease is a prevalent disorder that often requires long-term medical therapy or surgery. The United States Food and Drug Administration recently cleared new endoluminal gastroesophageal reflux disease treatments; however, no controlled trials exist. METHODS: We randomly assigned 64 gastroesophageal reflux disease patients to radiofrequency energy delivery to the gastroesophageal junction (35 patients) or to a sham procedure (29 patients). Principal outcomes were reflux symptoms and quality of life. Secondary outcomes were medication use and esophageal acid exposure. After 6 months, interested sham patients crossed over to active treatment. RESULTS: At 6 months, active treatment significantly and substantially improved patients' heartburn symptoms and quality of life. More active vs. sham patients were without daily heartburn symptoms (n = 19 [61%] vs. n = 7 [33%]; P = 0.05), and more had a >50% improvement in their gastroesophageal reflux disease quality of life score (n = 19 [61%] vs. n = 6 [30%]; P = 0.03). Symptom improvements persisted at 12 months after treatment. At 6 months, there were no differences in daily medication use after a medication withdrawal protocol (n = 17 [55%] vs. n = 14 [61%]; P = 0.67) or in esophageal acid exposure times. There were no perforations or deaths. CONCLUSIONS: Radiofrequency energy delivery significantly improved gastroesophageal reflux disease symptoms and quality of life compared with a sham procedure, but it did not decrease esophageal acid exposure or medication use at 6 months. This procedure represents a new option for selected symptomatic gastroesophageal reflux disease patients who are intolerant of, or desire an alternative to, traditional medical therapies.[1]


  1. Improvement of gastroesophageal reflux symptoms after radiofrequency energy: a randomized, sham-controlled trial. Corley, D.A., Katz, P., Wo, J.M., Stefan, A., Patti, M., Rothstein, R., Edmundowicz, S., Kline, M., Mason, R., Wolfe, M.M. Gastroenterology (2003) [Pubmed]
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