Brush vs. forceps: which biopsy method spots esophagus problems better?
Knowledge-focused
Recruiting now
This study will collect data from 90,000 adults to compare two methods of taking tissue samples from the esophagus: standard forceps biopsies and a brush-based test called WATS3D. The goal is to see if the brush method finds more cases of Barrett's esophagus and esophageal dyspla…
Sponsor: CDx Diagnostics • Aim: Knowledge-focused
Last updated May 17, 2026 09:11 UTC