- Conditions
- Esophageal Cancer, Gastroesophageal Reflux Disease (GERD), Esophageal Diseases, Hiatal Hernia, Esophageal Achalasia
- Interventions
- Survey of client health, personal habits, family history, Blood specimen for non-DNA and DNA parts, Biopsy of esophageal/stomach tissue, lymph nodes, tumor, Biopsies, oral (saliva) and/or secretions, washings or mucosal scrapings/brushing from routine clinical surveillance endoscopies
- Procedure
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 7,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2050
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced May 22, 2026, 12:11 AM EDT