Observational study for patients with gastric MALT lymphoma

Establishment of a Cohort for Investigating the Pathophysiology of Gastric MALT Lymphoma

Observational Seoul National University Hospital · NCT06454149

This study is collecting health information and tissue samples from people with gastric MALT lymphoma to help understand the disease better and support future treatments.

Quick facts

Study typeObservational
Enrollment300 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorSeoul National University Hospital Academic / other
Locations3 sites (Ansan-si, Gyeonggi-do and 2 other locations)
Trial IDNCT06454149 on ClinicalTrials.gov

What this trial studies

This observational study aims to gather clinical data and create a tissue repository for patients diagnosed with gastric MALT lymphoma, as well as for control participants. Patients will provide clinical information and various tissue samples, including saliva, gastric mucosa, and feces. The study will help in understanding the disease better and may contribute to future research and treatment strategies.

Who should consider this trial

Good fit: Ideal candidates include individuals newly diagnosed with gastric MALT lymphoma and those undergoing upper endoscopy for related conditions.

Not a fit: Patients with a history of gastric or other malignancies or those with uncontrolled chronic illnesses may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of gastric MALT lymphoma and improve future treatment options for patients.

How similar studies have performed: While this approach is observational and may not have direct precedents, similar studies in lymphoma research have shown promise in understanding disease mechanisms.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

\[MALT lymphoma group\]

* Newly diagnosed as gastric MALT lymphoma \[Control group\]
* Patients who underwent

  1. diagnosed upper endoscopy for dyspepsia and had chronic gastritis,
  2. therapeutic upper endoscopy for gastric hyperplastic polyps, or
  3. screening upper endoscopy without any symptoms.

Exclusion Criteria:

* History of gastric or other malignancy
* Use of antibiotics or probiotics within 4 weeks
* Uncontrolled chronic illnesses

Where this trial is running

Ansan-si, Gyeonggi-do and 2 other locations

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 MALT Lymphoma
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.