Observational study on gastric precancerous conditions

The GAstric Precancerous Conditions Study

Observational Stanford University · NCT04191551

This study looks at people who are at higher risk for stomach cancer to see how conditions like atrophic gastritis and intestinal metaplasia develop over time.

Quick facts

Study typeObservational
Enrollment600 (estimated)
Ages35 Years to 84 Years
SexAll
SponsorStanford University Academic / other
Locations1 site (Stanford, California)
Trial IDNCT04191551 on ClinicalTrials.gov

What this trial studies

The Gastric Precancerous Conditions Study (GAPS) aims to observe patients at elevated risk for gastric cancer, focusing on those with precursors like atrophic gastritis and intestinal metaplasia. This observational study will recruit both symptomatic and asymptomatic individuals undergoing endoscopy at Stanford Health Care. Participants will include those with known precursor lesions or those at high risk for developing them, allowing for a comprehensive understanding of the progression towards gastric cancer.

Who should consider this trial

Good fit: Ideal candidates are individuals aged 35 to 84 undergoing outpatient endoscopy for symptoms like abdominal pain or dyspepsia, or for surveillance of known gastric precursors.

Not a fit: Patients who have had gastric surgery or a history of solid tumor or bone marrow transplant may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to earlier detection and improved management of gastric cancer, potentially enhancing patient outcomes.

How similar studies have performed: Other studies have shown success in identifying gastric precursors and their association with gastric cancer, indicating that this approach is supported by existing research.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria: Subjects between the ages of 35 and 84, who are undergoing outpatient endoscopy for the following indications are eligible: abdominal pain, dyspepsia, iron deficiency anemia, Helicobacter assessment, surveillance of suspected or known intestinal metaplasia, evaluation for family history of gastric cancer

Exclusion Criteria:

* Cannot give consent
* Have history of gastric surgery
* Have history of solid tumor or bone marrow transplant
* Platelet Count \< 70 or international normalized ratio \> 1.5

Where this trial is running

Stanford, California

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Gastric CancerIntestinal Metaplasia of Gastric MucosaHelicobacter Pylori InfectionAtrophic Gastritis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.