Brush sampling versus biopsies for Barrett's esophagus monitoring

This trial is testing whether a newer brush-sampling technique called WATS can better detect early cancer changes in the esophagus compared to the traditional method of taking small tissue samples (biopsies). Researchers will compare these two sampling methods in people with Barrett's esophagus—a condition where the lining of the esophagus changes and increases cancer risk—to see which method catches dangerous changes more reliably.

Barrett's esophagus can develop into esophageal cancer, but catching it early allows doctors to treat it before it becomes life-threatening. The current standard biopsy method only samples a tiny portion of the esophagus, so doctors may miss important changes. This trial is testing whether the WATS brush—which samples a larger area and uses computer analysis—might be better at finding these early changes.