Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Comparing two biopsy methods for diagnosing stomach tumors

Official title: Comparison of Endoscopic Mucosal Cutting Biopsy and Endoscopic Ultrasound-guided-fine Needle Aspiration for Preoperative Pathological Evaluation of Gastric Submucosal Tumors

Run by Peking University People's Hospital · NCT06748690 · Data updated 2026-11-12

This study is testing which biopsy method works better for diagnosing stomach tumors in patients with larger growths to help doctors make better treatment decisions.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment96 (estimated)
SponsorPeking University People's Hospital
Academic / other
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedJanuary 1, 2024
Main results expectedJune 30, 2026
Study endsDecember 31, 2026
Registry record updatedApril 16, 2026
Trial IDNCT06748690 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients with gastric submucosal tumors that are 15mm or larger.

Probably not a fit

Patients with non-bulging lesions, cystic lesions, or those with coagulation dysfunction may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to compare the effectiveness of mucosal cutting biopsy (MCB) versus endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) for the preoperative pathological evaluation of gastrointestinal stromal tumors (GISTs) and other submucosal tumors (SMTs) of the stomach. The study will involve patients with gastric SMTs that are 15mm or larger, as recommended by the European Society of Oncology guidelines. By utilizing a randomized controlled trial design, the researchers hope to determine which biopsy method provides a higher diagnostic rate and better pathological evaluation. This could lead to improved treatment decisions for patients with these tumors.

Why it matters

Potential benefit: If successful, this study could enhance the accuracy of preoperative diagnoses for gastric tumors, leading to better treatment outcomes.

How similar studies have gone: While MCB has shown promise in diagnosing SMTs, this study is novel as it directly compares MCB and EUS-FNA in a randomized controlled setting.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Endoscopic evaluation considers gastric submucosal tumors (SMTs) with a diameter of ≥ 15mm

Exclusion Criteria:

* Endoscopic non bulging lesions.
* The upper gastrointestinal lesions measured by Endoscopic Ultrasonography(EUS) are less than 15 mm.
* Lesions that do not require tissue collection (such as lipomas, varicose veins)
* Patients with cystic lesions
* The patient has uncorrectable coagulation dysfunction (International Normalized Ratio (INR)\>1.5 or platelet count\<50x109)
* Patients with portal hypertension
* Patients with a history of upper gastrointestinal surgery
* Pregnant women
* Patients who refuse to participate in this clinical trial

Where it's running

  • Peking University People's Hospital
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.